<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <link:roleRef roleURI="http://www.wabtec.com/role/AccountingPolicies" xlink:href="wab-20190331.xsd#AccountingPolicies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/AccountingPoliciesAccumulatedOtherComprehensiveLossByComponentNetOfTaxDetails" xlink:href="wab-20190331.xsd#AccountingPoliciesAccumulatedOtherComprehensiveLossByComponentNetOfTaxDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/AccountingPoliciesAdditionalInformationDetail" xlink:href="wab-20190331.xsd#AccountingPoliciesAdditionalInformationDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/AccountingPoliciesPolicies" xlink:href="wab-20190331.xsd#AccountingPoliciesPolicies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/AccountingPoliciesReclassificationsOutOfAccumulatedOtherComprehensiveLossDetail" xlink:href="wab-20190331.xsd#AccountingPoliciesReclassificationsOutOfAccumulatedOtherComprehensiveLossDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/AccountingPoliciesRemainingPerformanceObligationsDetails" xlink:href="wab-20190331.xsd#AccountingPoliciesRemainingPerformanceObligationsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/AccountingPoliciesTables" xlink:href="wab-20190331.xsd#AccountingPoliciesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/Acquisitions" xlink:href="wab-20190331.xsd#Acquisitions" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/AcquisitionsAdditionalInformationDetails" xlink:href="wab-20190331.xsd#AcquisitionsAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/AcquisitionsGeneralElectricTransportationDetails" xlink:href="wab-20190331.xsd#AcquisitionsGeneralElectricTransportationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/AcquisitionsProFormaFinancialInformationDetail" xlink:href="wab-20190331.xsd#AcquisitionsProFormaFinancialInformationDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/AcquisitionsSummaryOfPreliminaryEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetail" xlink:href="wab-20190331.xsd#AcquisitionsSummaryOfPreliminaryEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/AcquisitionsSummaryOfPreliminaryEstimatedFairValuesOfGetAssetsAcquiredAndLiabilitiesAssumedDetails" xlink:href="wab-20190331.xsd#AcquisitionsSummaryOfPreliminaryEstimatedFairValuesOfGetAssetsAcquiredAndLiabilitiesAssumedDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/AcquisitionsTables" xlink:href="wab-20190331.xsd#AcquisitionsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/Business" xlink:href="wab-20190331.xsd#Business" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/BusinessDetail" xlink:href="wab-20190331.xsd#BusinessDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/CommitmentsAndContingencies" xlink:href="wab-20190331.xsd#CommitmentsAndContingencies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/CommitmentsAndContingenciesDetails" xlink:href="wab-20190331.xsd#CommitmentsAndContingenciesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/CondensedConsolidatedBalanceSheets" xlink:href="wab-20190331.xsd#CondensedConsolidatedBalanceSheets" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/CondensedConsolidatedBalanceSheetsParenthetical" xlink:href="wab-20190331.xsd#CondensedConsolidatedBalanceSheetsParenthetical" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/CondensedConsolidatedStatementsOfCashFlows" xlink:href="wab-20190331.xsd#CondensedConsolidatedStatementsOfCashFlows" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/CondensedConsolidatedStatementsOfCashFlowsParenthetical" xlink:href="wab-20190331.xsd#CondensedConsolidatedStatementsOfCashFlowsParenthetical" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome" xlink:href="wab-20190331.xsd#CondensedConsolidatedStatementsOfComprehensiveIncome" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/CondensedConsolidatedStatementsOfIncome" xlink:href="wab-20190331.xsd#CondensedConsolidatedStatementsOfIncome" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/ConsolidatedStatementsOfShareholdersEquity" xlink:href="wab-20190331.xsd#ConsolidatedStatementsOfShareholdersEquity" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/ConsolidatedStatementsOfShareholdersEquityParenthetical" xlink:href="wab-20190331.xsd#ConsolidatedStatementsOfShareholdersEquityParenthetical" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/ContractAssetsAndContractLiabilities" xlink:href="wab-20190331.xsd#ContractAssetsAndContractLiabilities" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/ContractAssetsAndContractLiabilitiesDetails" xlink:href="wab-20190331.xsd#ContractAssetsAndContractLiabilitiesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/ContractAssetsAndContractLiabilitiesTables" xlink:href="wab-20190331.xsd#ContractAssetsAndContractLiabilitiesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/DerivativeFinancialInstrumentsAndHedging" xlink:href="wab-20190331.xsd#DerivativeFinancialInstrumentsAndHedging" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/DerivativeFinancialInstrumentsAndHedgingAdditionalInformationDetails" xlink:href="wab-20190331.xsd#DerivativeFinancialInstrumentsAndHedgingAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/DerivativeFinancialInstrumentsAndHedgingSummaryOfNotionalAmountsAndFairValueDetails" xlink:href="wab-20190331.xsd#DerivativeFinancialInstrumentsAndHedgingSummaryOfNotionalAmountsAndFairValueDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/DerivativeFinancialInstrumentsAndHedgingTables" xlink:href="wab-20190331.xsd#DerivativeFinancialInstrumentsAndHedgingTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/DocumentAndEntityInformation" xlink:href="wab-20190331.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/EarningsPerShare" xlink:href="wab-20190331.xsd#EarningsPerShare" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/EarningsPerShareDetail" xlink:href="wab-20190331.xsd#EarningsPerShareDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/EarningsPerShareTables" xlink:href="wab-20190331.xsd#EarningsPerShareTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/EmployeeBenefitPlans" xlink:href="wab-20190331.xsd#EmployeeBenefitPlans" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/EmployeeBenefitPlansAdditionalInformationDetail" xlink:href="wab-20190331.xsd#EmployeeBenefitPlansAdditionalInformationDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/EmployeeBenefitPlansComponentsOfNetPeriodicBenefitCostDetail" xlink:href="wab-20190331.xsd#EmployeeBenefitPlansComponentsOfNetPeriodicBenefitCostDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/EmployeeBenefitPlansTables" xlink:href="wab-20190331.xsd#EmployeeBenefitPlansTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/FairValueMeasurementAndFairValueOfFinancialInstruments" xlink:href="wab-20190331.xsd#FairValueMeasurementAndFairValueOfFinancialInstruments" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/FairValueMeasurementAndFairValueOfFinancialInstrumentsDetail" xlink:href="wab-20190331.xsd#FairValueMeasurementAndFairValueOfFinancialInstrumentsDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/FairValueMeasurementAndFairValueOfFinancialInstrumentsTables" xlink:href="wab-20190331.xsd#FairValueMeasurementAndFairValueOfFinancialInstrumentsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/GuarantorSubsidiariesFinancialInformation" xlink:href="wab-20190331.xsd#GuarantorSubsidiariesFinancialInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/GuarantorSubsidiariesFinancialInformationBalanceSheetDetails" xlink:href="wab-20190331.xsd#GuarantorSubsidiariesFinancialInformationBalanceSheetDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/GuarantorSubsidiariesFinancialInformationCashFlowsDetails" xlink:href="wab-20190331.xsd#GuarantorSubsidiariesFinancialInformationCashFlowsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/GuarantorSubsidiariesFinancialInformationIncomeStatementDetails" xlink:href="wab-20190331.xsd#GuarantorSubsidiariesFinancialInformationIncomeStatementDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/GuarantorSubsidiariesFinancialInformationTables" xlink:href="wab-20190331.xsd#GuarantorSubsidiariesFinancialInformationTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/IncomeTaxes" xlink:href="wab-20190331.xsd#IncomeTaxes" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/IncomeTaxesDetail" xlink:href="wab-20190331.xsd#IncomeTaxesDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/Intangibles" xlink:href="wab-20190331.xsd#Intangibles" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/IntangiblesAdditionalInformationDetail" xlink:href="wab-20190331.xsd#IntangiblesAdditionalInformationDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/IntangiblesAmortizationExpenseDetail" xlink:href="wab-20190331.xsd#IntangiblesAmortizationExpenseDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/IntangiblesChangeInCarryingAmountOfGoodwillBySegmentDetail" xlink:href="wab-20190331.xsd#IntangiblesChangeInCarryingAmountOfGoodwillBySegmentDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/IntangiblesIntangibleAssetsOtherThanGoodwillAndTradeNamesDetail" xlink:href="wab-20190331.xsd#IntangiblesIntangibleAssetsOtherThanGoodwillAndTradeNamesDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/IntangiblesTables" xlink:href="wab-20190331.xsd#IntangiblesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/Inventories" xlink:href="wab-20190331.xsd#Inventories" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/InventoriesDetails" xlink:href="wab-20190331.xsd#InventoriesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/InventoriesTables" xlink:href="wab-20190331.xsd#InventoriesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/Leases" xlink:href="wab-20190331.xsd#Leases" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/LeasesLeaseExpenseDetails" xlink:href="wab-20190331.xsd#LeasesLeaseExpenseDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/LeasesLeaseTermAndDiscountRateDetails" xlink:href="wab-20190331.xsd#LeasesLeaseTermAndDiscountRateDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/LeasesMaturityOfLeaseLiabilitiesDetails" xlink:href="wab-20190331.xsd#LeasesMaturityOfLeaseLiabilitiesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/LeasesMaturityOfLeaseLiabilitiesDetailsCalc2" xlink:href="wab-20190331.xsd#LeasesMaturityOfLeaseLiabilitiesDetailsCalc2" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/LeasesMaturityOfLeaseLiabilitiesDetailsCalc3" xlink:href="wab-20190331.xsd#LeasesMaturityOfLeaseLiabilitiesDetailsCalc3" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/LeasesNarrativeDetails" xlink:href="wab-20190331.xsd#LeasesNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/LeasesTables" xlink:href="wab-20190331.xsd#LeasesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/LongTermDebt" xlink:href="wab-20190331.xsd#LongTermDebt" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/LongTermDebtAdditionalInformationDetails" xlink:href="wab-20190331.xsd#LongTermDebtAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/LongTermDebtScheduleOfLongTermDebtDetails" xlink:href="wab-20190331.xsd#LongTermDebtScheduleOfLongTermDebtDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/LongTermDebtScheduleOfLongTermDebtDetailsCalc2" xlink:href="wab-20190331.xsd#LongTermDebtScheduleOfLongTermDebtDetailsCalc2" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/LongTermDebtTables" xlink:href="wab-20190331.xsd#LongTermDebtTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/OtherIncomeExpenseNet" xlink:href="wab-20190331.xsd#OtherIncomeExpenseNet" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/OtherIncomeExpenseNetDetail" xlink:href="wab-20190331.xsd#OtherIncomeExpenseNetDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/OtherIncomeExpenseNetTables" xlink:href="wab-20190331.xsd#OtherIncomeExpenseNetTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/SegmentInformation" xlink:href="wab-20190331.xsd#SegmentInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/SegmentInformationAdditionalInformationDetail" xlink:href="wab-20190331.xsd#SegmentInformationAdditionalInformationDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/SegmentInformationSalesByProductDetail" xlink:href="wab-20190331.xsd#SegmentInformationSalesByProductDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/SegmentInformationSegmentFinancialInformationDetail" xlink:href="wab-20190331.xsd#SegmentInformationSegmentFinancialInformationDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/SegmentInformationTables" xlink:href="wab-20190331.xsd#SegmentInformationTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/StockBasedCompensation" xlink:href="wab-20190331.xsd#StockBasedCompensation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/StockBasedCompensationAdditionalInformationDetail" xlink:href="wab-20190331.xsd#StockBasedCompensationAdditionalInformationDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/StockBasedCompensationFairValueOfEachOptionGrantWeightedAverageAssumptionsDetail" xlink:href="wab-20190331.xsd#StockBasedCompensationFairValueOfEachOptionGrantWeightedAverageAssumptionsDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/StockBasedCompensationRestrictedStockActivityAndIncentiveStockAwardsActivityDetail" xlink:href="wab-20190331.xsd#StockBasedCompensationRestrictedStockActivityAndIncentiveStockAwardsActivityDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/StockBasedCompensationStockOptionActivityDetail" xlink:href="wab-20190331.xsd#StockBasedCompensationStockOptionActivityDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/StockBasedCompensationTables" xlink:href="wab-20190331.xsd#StockBasedCompensationTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/Warranties" xlink:href="wab-20190331.xsd#Warranties" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/WarrantiesDetail" xlink:href="wab-20190331.xsd#WarrantiesDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.wabtec.com/role/WarrantiesTables" xlink:href="wab-20190331.xsd#WarrantiesTables" xlink:type="simple" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/AccountingPolicies" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/AccountingPoliciesAccumulatedOtherComprehensiveLossByComponentNetOfTaxDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_e68ce304-18e4-96c0-3260-363a872863db" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_3d99831a-ebd4-5b79-0782-1b1eabd6a9c8" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_e68ce304-18e4-96c0-3260-363a872863db" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_3d99831a-ebd4-5b79-0782-1b1eabd6a9c8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_370db1e9-72b2-d2e9-181c-90ae6fba7f8b" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_e68ce304-18e4-96c0-3260-363a872863db" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_370db1e9-72b2-d2e9-181c-90ae6fba7f8b" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.wabtec.com/role/AccountingPoliciesAdditionalInformationDetail" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/AccountingPoliciesPolicies" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/AccountingPoliciesReclassificationsOutOfAccumulatedOtherComprehensiveLossDetail" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/AccountingPoliciesRemainingPerformanceObligationsDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/AccountingPoliciesTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/Acquisitions" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/AcquisitionsAdditionalInformationDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/AcquisitionsGeneralElectricTransportationDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/AcquisitionsProFormaFinancialInformationDetail" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/AcquisitionsSummaryOfPreliminaryEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetail" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_2fb474b5-5859-9678-205e-8aa88ca40daa" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets_b5509fa8-3d11-8808-1ec7-49e5ec2a39e2" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_2fb474b5-5859-9678-205e-8aa88ca40daa" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets_b5509fa8-3d11-8808-1ec7-49e5ec2a39e2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_090d08a1-b8fd-3634-47b8-7dcb68699de1" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_2fb474b5-5859-9678-205e-8aa88ca40daa" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_090d08a1-b8fd-3634-47b8-7dcb68699de1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_831ad0b9-9dba-3997-20e6-e99a19aa28db" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_2fb474b5-5859-9678-205e-8aa88ca40daa" xlink:to="loc_us-gaap_Goodwill_831ad0b9-9dba-3997-20e6-e99a19aa28db" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_588b212f-0609-2b89-932f-cbe7e57377ff" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_2fb474b5-5859-9678-205e-8aa88ca40daa" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_588b212f-0609-2b89-932f-cbe7e57377ff" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.wabtec.com/role/AcquisitionsSummaryOfPreliminaryEstimatedFairValuesOfGetAssetsAcquiredAndLiabilitiesAssumedDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_a49f91fe-6036-ab86-6a1a-6ac66f348274" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_cc1d8741-0bf1-0f1b-dbad-6859add56d00" xlink:type="locator" />
    <link:calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_a49f91fe-6036-ab86-6a1a-6ac66f348274" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_cc1d8741-0bf1-0f1b-dbad-6859add56d00" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities_c1d14e08-6047-bdc6-cd0b-14a44c47d9d6" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_cc1d8741-0bf1-0f1b-dbad-6859add56d00" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities_c1d14e08-6047-bdc6-cd0b-14a44c47d9d6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationLiability" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_eed137f7-f4cf-61e8-5dd4-67d3dd178f58" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_cc1d8741-0bf1-0f1b-dbad-6859add56d00" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_eed137f7-f4cf-61e8-5dd4-67d3dd178f58" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_403bd7bd-aec1-42d0-9dba-3894488c17e9" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_cc1d8741-0bf1-0f1b-dbad-6859add56d00" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_403bd7bd-aec1-42d0-9dba-3894488c17e9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_2fb474b5-5859-9678-205e-8aa88ca40daa" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_a49f91fe-6036-ab86-6a1a-6ac66f348274" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_2fb474b5-5859-9678-205e-8aa88ca40daa" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_395f9bb0-2492-f247-ce6b-39e67453292c" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_2fb474b5-5859-9678-205e-8aa88ca40daa" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_395f9bb0-2492-f247-ce6b-39e67453292c" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_8ce68675-8129-3ab4-cbd9-33127f150e28" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_2fb474b5-5859-9678-205e-8aa88ca40daa" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_8ce68675-8129-3ab4-cbd9-33127f150e28" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_9ad6eb0b-0be8-3959-8888-f510808da951" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_2fb474b5-5859-9678-205e-8aa88ca40daa" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_9ad6eb0b-0be8-3959-8888-f510808da951" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_787094fe-6809-3d48-32a0-016251d35e96" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_2fb474b5-5859-9678-205e-8aa88ca40daa" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_787094fe-6809-3d48-32a0-016251d35e96" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_090d08a1-b8fd-3634-47b8-7dcb68699de1" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_2fb474b5-5859-9678-205e-8aa88ca40daa" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_090d08a1-b8fd-3634-47b8-7dcb68699de1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_831ad0b9-9dba-3997-20e6-e99a19aa28db" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_2fb474b5-5859-9678-205e-8aa88ca40daa" xlink:to="loc_us-gaap_Goodwill_831ad0b9-9dba-3997-20e6-e99a19aa28db" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_6558b51b-e5e6-31be-658a-d87768e28cf6" xlink:type="locator" />
    <link:calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_2fb474b5-5859-9678-205e-8aa88ca40daa" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_6558b51b-e5e6-31be-658a-d87768e28cf6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_0babce17-76af-948e-bcee-dc3ef7464b2a" xlink:type="locator" />
    <link:calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_2fb474b5-5859-9678-205e-8aa88ca40daa" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_0babce17-76af-948e-bcee-dc3ef7464b2a" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.wabtec.com/role/AcquisitionsTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/Business" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/BusinessDetail" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/CommitmentsAndContingencies" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/CommitmentsAndContingenciesDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/CondensedConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_63817d40-f759-fa9c-45a5-8bbbb36ed5c9" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_066608da-f041-4af6-3da0-95354b640e11" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_63817d40-f759-fa9c-45a5-8bbbb36ed5c9" xlink:to="loc_us-gaap_Liabilities_066608da-f041-4af6-3da0-95354b640e11" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_2dcbbde2-9146-a0ba-7f6c-c71b481e0841" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_066608da-f041-4af6-3da0-95354b640e11" xlink:to="loc_us-gaap_LiabilitiesCurrent_2dcbbde2-9146-a0ba-7f6c-c71b481e0841" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_c2c48170-d0ff-2c37-effc-ff5f53e30dcb" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_2dcbbde2-9146-a0ba-7f6c-c71b481e0841" xlink:to="loc_us-gaap_AccountsPayableCurrent_c2c48170-d0ff-2c37-effc-ff5f53e30dcb" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ContractWithCustomerLiabilityCurrent" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_1beea529-7ff9-f264-77a3-b82530469f83" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_2dcbbde2-9146-a0ba-7f6c-c71b481e0841" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_1beea529-7ff9-f264-77a3-b82530469f83" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_b0e2721e-44a1-957d-5aaa-294b580a15e3" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_2dcbbde2-9146-a0ba-7f6c-c71b481e0841" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_b0e2721e-44a1-957d-5aaa-294b580a15e3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProductWarrantyAccrualClassifiedCurrent" xlink:label="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_088dbad9-ab51-b723-f657-c33308ae18ab" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_2dcbbde2-9146-a0ba-7f6c-c71b481e0841" xlink:to="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_088dbad9-ab51-b723-f657-c33308ae18ab" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_265f3d44-db40-2656-dee4-40c75e9bde2a" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_2dcbbde2-9146-a0ba-7f6c-c71b481e0841" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_265f3d44-db40-2656-dee4-40c75e9bde2a" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_d9354686-0832-bbe3-9389-140489c487e8" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_2dcbbde2-9146-a0ba-7f6c-c71b481e0841" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_d9354686-0832-bbe3-9389-140489c487e8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_872beecf-7614-c912-a2d2-2937513b9a4b" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_066608da-f041-4af6-3da0-95354b640e11" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_872beecf-7614-c912-a2d2-2937513b9a4b" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_e69973b2-6cb8-6605-6335-92ae4455489c" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_066608da-f041-4af6-3da0-95354b640e11" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_e69973b2-6cb8-6605-6335-92ae4455489c" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_d3ba3006-9df7-8186-2eb2-dc5094562cfe" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_066608da-f041-4af6-3da0-95354b640e11" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_d3ba3006-9df7-8186-2eb2-dc5094562cfe" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProductWarrantyAccrualNoncurrent" xlink:label="loc_us-gaap_ProductWarrantyAccrualNoncurrent_19d56009-c249-124b-bea1-7d6e0858747a" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_066608da-f041-4af6-3da0-95354b640e11" xlink:to="loc_us-gaap_ProductWarrantyAccrualNoncurrent_19d56009-c249-124b-bea1-7d6e0858747a" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_bba08e5f-78e8-6c25-01a4-6720051135cc" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_066608da-f041-4af6-3da0-95354b640e11" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_bba08e5f-78e8-6c25-01a4-6720051135cc" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_e0c0480e-e6f5-c4df-ce25-1ffa4a8c827a" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_63817d40-f759-fa9c-45a5-8bbbb36ed5c9" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_e0c0480e-e6f5-c4df-ce25-1ffa4a8c827a" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_6765f135-8c69-bebc-a116-d59a52a5b2f2" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_e0c0480e-e6f5-c4df-ce25-1ffa4a8c827a" xlink:to="loc_us-gaap_StockholdersEquity_6765f135-8c69-bebc-a116-d59a52a5b2f2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue_ea289a9d-deba-2cde-21e4-3d0ae7a1f011" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_6765f135-8c69-bebc-a116-d59a52a5b2f2" xlink:to="loc_us-gaap_PreferredStockValue_ea289a9d-deba-2cde-21e4-3d0ae7a1f011" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_aefe3f0c-abe4-5b83-9a64-da77d8e253dd" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_6765f135-8c69-bebc-a116-d59a52a5b2f2" xlink:to="loc_us-gaap_CommonStockValue_aefe3f0c-abe4-5b83-9a64-da77d8e253dd" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_df284507-8ac7-eed1-41db-05e81b70be6d" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_6765f135-8c69-bebc-a116-d59a52a5b2f2" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_df284507-8ac7-eed1-41db-05e81b70be6d" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaap_TreasuryStockValue_70b30340-b55c-aed7-73f5-36d397294f84" xlink:type="locator" />
    <link:calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_6765f135-8c69-bebc-a116-d59a52a5b2f2" xlink:to="loc_us-gaap_TreasuryStockValue_70b30340-b55c-aed7-73f5-36d397294f84" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_a59bc5ae-63a0-c9bc-32f7-e2bd9f32bd26" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_6765f135-8c69-bebc-a116-d59a52a5b2f2" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_a59bc5ae-63a0-c9bc-32f7-e2bd9f32bd26" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_798442bf-12e1-d944-3fa1-8b797b67482e" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_6765f135-8c69-bebc-a116-d59a52a5b2f2" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_798442bf-12e1-d944-3fa1-8b797b67482e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_MinorityInterest" xlink:label="loc_us-gaap_MinorityInterest_a9feabf5-0bf0-3efe-740e-f5e41a4b3194" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_e0c0480e-e6f5-c4df-ce25-1ffa4a8c827a" xlink:to="loc_us-gaap_MinorityInterest_a9feabf5-0bf0-3efe-740e-f5e41a4b3194" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_f0c68f4f-7ec1-d447-8ba7-0f2766abbe67" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_63817d40-f759-fa9c-45a5-8bbbb36ed5c9" xlink:to="loc_us-gaap_CommitmentsAndContingencies_f0c68f4f-7ec1-d447-8ba7-0f2766abbe67" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_96dd7052-744e-d270-4e77-67944ec39152" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_d79dcc1c-93de-0ecd-2bd5-7c1f224c9b98" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_96dd7052-744e-d270-4e77-67944ec39152" xlink:to="loc_us-gaap_AssetsCurrent_d79dcc1c-93de-0ecd-2bd5-7c1f224c9b98" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_928a1618-af56-709a-989c-a303706b8ca2" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d79dcc1c-93de-0ecd-2bd5-7c1f224c9b98" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_928a1618-af56-709a-989c-a303706b8ca2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ContractWithCustomerAssetNetCurrent" xlink:label="loc_us-gaap_ContractWithCustomerAssetNetCurrent_120d87ed-4228-6812-13f3-5c322e959d0e" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d79dcc1c-93de-0ecd-2bd5-7c1f224c9b98" xlink:to="loc_us-gaap_ContractWithCustomerAssetNetCurrent_120d87ed-4228-6812-13f3-5c322e959d0e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_66bcd79a-a1c3-c24d-b8b4-7a0ce373714b" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d79dcc1c-93de-0ecd-2bd5-7c1f224c9b98" xlink:to="loc_us-gaap_InventoryNet_66bcd79a-a1c3-c24d-b8b4-7a0ce373714b" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="loc_us-gaap_OtherAssetsCurrent_79aabdc0-b963-1fd1-4e81-8c0801b1ebca" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d79dcc1c-93de-0ecd-2bd5-7c1f224c9b98" xlink:to="loc_us-gaap_OtherAssetsCurrent_79aabdc0-b963-1fd1-4e81-8c0801b1ebca" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_0e2b0aef-f283-e3cd-a77b-e835b6efc171" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d79dcc1c-93de-0ecd-2bd5-7c1f224c9b98" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_0e2b0aef-f283-e3cd-a77b-e835b6efc171" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_32f41ea9-05c6-e713-464b-586a571d1c1f" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d79dcc1c-93de-0ecd-2bd5-7c1f224c9b98" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_32f41ea9-05c6-e713-464b-586a571d1c1f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_f37ad080-c77a-efc5-c936-389b16abc420" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_96dd7052-744e-d270-4e77-67944ec39152" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_f37ad080-c77a-efc5-c936-389b16abc420" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_78662f7f-2a6a-5d68-ba8a-7947ed287be5" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_f37ad080-c77a-efc5-c936-389b16abc420" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_78662f7f-2a6a-5d68-ba8a-7947ed287be5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_0a08cda9-11b3-e7ac-3fc9-3a23c67d9b96" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_f37ad080-c77a-efc5-c936-389b16abc420" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_0a08cda9-11b3-e7ac-3fc9-3a23c67d9b96" xlink:type="arc" />
    <link:loc xlink:href="wab-20190331.xsd#wab_OtherAssetsNonCurrentIncludingGoodwillAndIntangibleAssetsNet" xlink:label="loc_wab_OtherAssetsNonCurrentIncludingGoodwillAndIntangibleAssetsNet_c5bb63ca-b6da-9f84-520f-c35ed834fc4c" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_96dd7052-744e-d270-4e77-67944ec39152" xlink:to="loc_wab_OtherAssetsNonCurrentIncludingGoodwillAndIntangibleAssetsNet_c5bb63ca-b6da-9f84-520f-c35ed834fc4c" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_831ad0b9-9dba-3997-20e6-e99a19aa28db" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_OtherAssetsNonCurrentIncludingGoodwillAndIntangibleAssetsNet_c5bb63ca-b6da-9f84-520f-c35ed834fc4c" xlink:to="loc_us-gaap_Goodwill_831ad0b9-9dba-3997-20e6-e99a19aa28db" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_af012273-e8ee-655c-daa2-86b96989d377" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_OtherAssetsNonCurrentIncludingGoodwillAndIntangibleAssetsNet_c5bb63ca-b6da-9f84-520f-c35ed834fc4c" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_af012273-e8ee-655c-daa2-86b96989d377" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_ddb0d184-2205-2a10-5b0e-faf2ccd717ae" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_OtherAssetsNonCurrentIncludingGoodwillAndIntangibleAssetsNet_c5bb63ca-b6da-9f84-520f-c35ed834fc4c" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_ddb0d184-2205-2a10-5b0e-faf2ccd717ae" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.wabtec.com/role/CondensedConsolidatedBalanceSheetsParenthetical" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/CondensedConsolidatedStatementsOfCashFlows" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_9743d583-dfae-6ae9-f133-a1e331df792c" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_9743d583-dfae-6ae9-f133-a1e331df792c" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_8aa68cfb-2df7-9a23-d1ed-4fe33385b4a2" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_us-gaap_ProfitLoss_8aa68cfb-2df7-9a23-d1ed-4fe33385b4a2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_us-gaap_DepreciationAndAmortization_97b88949-d4fc-dff4-be7f-d39018557f4e" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_us-gaap_DepreciationAndAmortization_97b88949-d4fc-dff4-be7f-d39018557f4e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_90cbc3ab-f555-6407-b3b4-b2bfa84c9f18" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_us-gaap_ShareBasedCompensation_90cbc3ab-f555-6407-b3b4-b2bfa84c9f18" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_ef1b7738-192b-a4ca-6396-5577f303c271" xlink:type="locator" />
    <link:calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_ef1b7738-192b-a4ca-6396-5577f303c271" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_5f96c19e-85fe-99f6-cec0-c2c9d7470ed4" xlink:type="locator" />
    <link:calculationArc order="5" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_5f96c19e-85fe-99f6-cec0-c2c9d7470ed4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_334f1d33-7cae-7fd2-9d83-bb387fc2f3dd" xlink:type="locator" />
    <link:calculationArc order="6" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_334f1d33-7cae-7fd2-9d83-bb387fc2f3dd" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_0a39d2ee-656d-ead5-a676-41794b4da8f4" xlink:type="locator" />
    <link:calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_0a39d2ee-656d-ead5-a676-41794b4da8f4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_e69a15cf-ab4b-cbea-dc70-0b76971b08a1" xlink:type="locator" />
    <link:calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_e69a15cf-ab4b-cbea-dc70-0b76971b08a1" xlink:type="arc" />
    <link:loc xlink:href="wab-20190331.xsd#wab_IncreaseDecreaseInAccruedLiabilitiesAndCustomerDeposits" xlink:label="loc_wab_IncreaseDecreaseInAccruedLiabilitiesAndCustomerDeposits_f251190b-8c35-a94c-4afa-c35ed7f59e47" xlink:type="locator" />
    <link:calculationArc order="9" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_wab_IncreaseDecreaseInAccruedLiabilitiesAndCustomerDeposits_f251190b-8c35-a94c-4afa-c35ed7f59e47" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_a9646808-098c-8496-e17a-df690055019e" xlink:type="locator" />
    <link:calculationArc order="10" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_a9646808-098c-8496-e17a-df690055019e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_28655e34-499f-b7bf-c54f-5de0990d0c65" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_9743d583-dfae-6ae9-f133-a1e331df792c" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_28655e34-499f-b7bf-c54f-5de0990d0c65" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_6d89f221-3ede-36b2-fcad-4a4ce1606f6a" xlink:type="locator" />
    <link:calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_28655e34-499f-b7bf-c54f-5de0990d0c65" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_6d89f221-3ede-36b2-fcad-4a4ce1606f6a" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_2e493320-ebb4-7df2-c1f0-2dc8298386c7" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_28655e34-499f-b7bf-c54f-5de0990d0c65" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_2e493320-ebb4-7df2-c1f0-2dc8298386c7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_80abba07-181c-6ed2-349d-9d7dfc078eab" xlink:type="locator" />
    <link:calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_28655e34-499f-b7bf-c54f-5de0990d0c65" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_80abba07-181c-6ed2-349d-9d7dfc078eab" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_d8917e24-06dd-060d-a290-e426c7895e54" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_9743d583-dfae-6ae9-f133-a1e331df792c" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_d8917e24-06dd-060d-a290-e426c7895e54" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet_30265957-5f0a-7920-1fb1-30dac2025ede" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_d8917e24-06dd-060d-a290-e426c7895e54" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet_30265957-5f0a-7920-1fb1-30dac2025ede" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_308bba6f-df31-241b-22dc-9355481dabc2" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_d8917e24-06dd-060d-a290-e426c7895e54" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_308bba6f-df31-241b-22dc-9355481dabc2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_ee462479-f066-2ef4-feb4-a24474e585e7" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_d8917e24-06dd-060d-a290-e426c7895e54" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_ee462479-f066-2ef4-feb4-a24474e585e7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_43305c85-41ff-3d0f-c464-dc8983363bce" xlink:type="locator" />
    <link:calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_d8917e24-06dd-060d-a290-e426c7895e54" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_43305c85-41ff-3d0f-c464-dc8983363bce" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_15de0c29-7f29-fc68-dcff-36f8e7ff06d8" xlink:type="locator" />
    <link:calculationArc order="5" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_d8917e24-06dd-060d-a290-e426c7895e54" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_15de0c29-7f29-fc68-dcff-36f8e7ff06d8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_714a30d1-878f-1497-8ad1-4b1e113da228" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_9743d583-dfae-6ae9-f133-a1e331df792c" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_714a30d1-878f-1497-8ad1-4b1e113da228" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.wabtec.com/role/CondensedConsolidatedStatementsOfCashFlowsParenthetical" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_cf605d39-9067-2f07-a6b5-7dfa6481009e" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_a10eea14-f4db-3125-d183-77bb54500e95" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_cf605d39-9067-2f07-a6b5-7dfa6481009e" xlink:to="loc_us-gaap_NetIncomeLoss_a10eea14-f4db-3125-d183-77bb54500e95" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_59645a08-ce25-9000-2f65-e4bfddb1182e" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_cf605d39-9067-2f07-a6b5-7dfa6481009e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_59645a08-ce25-9000-2f65-e4bfddb1182e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_107dc47f-3e8e-936e-b56d-159a71d56806" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_59645a08-ce25-9000-2f65-e4bfddb1182e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_107dc47f-3e8e-936e-b56d-159a71d56806" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax_7cf8d201-6043-c5b4-c413-80aeee19ca82" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_107dc47f-3e8e-936e-b56d-159a71d56806" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax_7cf8d201-6043-c5b4-c413-80aeee19ca82" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_a9ea9b87-2e88-619e-dfdb-01be6f7f0668" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_107dc47f-3e8e-936e-b56d-159a71d56806" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_a9ea9b87-2e88-619e-dfdb-01be6f7f0668" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_a21d0c25-d067-9812-e027-283668283711" xlink:type="locator" />
    <link:calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_107dc47f-3e8e-936e-b56d-159a71d56806" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_a21d0c25-d067-9812-e027-283668283711" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1_d84f6a7f-e40b-fc44-e6cf-69cd696f9ea9" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_59645a08-ce25-9000-2f65-e4bfddb1182e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1_d84f6a7f-e40b-fc44-e6cf-69cd696f9ea9" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.wabtec.com/role/CondensedConsolidatedStatementsOfIncome" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_a10eea14-f4db-3125-d183-77bb54500e95" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_8aa68cfb-2df7-9a23-d1ed-4fe33385b4a2" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_a10eea14-f4db-3125-d183-77bb54500e95" xlink:to="loc_us-gaap_ProfitLoss_8aa68cfb-2df7-9a23-d1ed-4fe33385b4a2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4d8b6d19-6a54-06aa-2077-c10380bd20d1" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_8aa68cfb-2df7-9a23-d1ed-4fe33385b4a2" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4d8b6d19-6a54-06aa-2077-c10380bd20d1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_97bbae57-7f84-4da9-acab-610e56204929" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_8aa68cfb-2df7-9a23-d1ed-4fe33385b4a2" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_97bbae57-7f84-4da9-acab-610e56204929" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_f5ae002e-8316-7bc0-1b41-6cd171b53db3" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_a10eea14-f4db-3125-d183-77bb54500e95" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_f5ae002e-8316-7bc0-1b41-6cd171b53db3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_5c890570-5904-7978-36d8-35b96dcf45ab" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_df00e688-c7aa-f044-9cba-c48e7c14e35b" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_5c890570-5904-7978-36d8-35b96dcf45ab" xlink:to="loc_us-gaap_GrossProfit_df00e688-c7aa-f044-9cba-c48e7c14e35b" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_1c604cfe-da19-5194-72b6-98be0130cfb7" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_df00e688-c7aa-f044-9cba-c48e7c14e35b" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_1c604cfe-da19-5194-72b6-98be0130cfb7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_1c65a201-fd8e-32d7-dad9-c6d1d5719594" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_df00e688-c7aa-f044-9cba-c48e7c14e35b" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_1c65a201-fd8e-32d7-dad9-c6d1d5719594" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_us-gaap_OperatingExpenses_a2f4cf19-54a3-c9c5-9b4d-23b76125e270" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_5c890570-5904-7978-36d8-35b96dcf45ab" xlink:to="loc_us-gaap_OperatingExpenses_a2f4cf19-54a3-c9c5-9b4d-23b76125e270" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_693c47dd-e6fa-9c85-6a65-7baa26f76b5e" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_a2f4cf19-54a3-c9c5-9b4d-23b76125e270" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_693c47dd-e6fa-9c85-6a65-7baa26f76b5e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_11c9d7e5-c56e-e78a-ae7b-17989a817204" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_a2f4cf19-54a3-c9c5-9b4d-23b76125e270" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_11c9d7e5-c56e-e78a-ae7b-17989a817204" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_afd0f625-a29a-3806-bad0-ad0ca19e7015" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_a2f4cf19-54a3-c9c5-9b4d-23b76125e270" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_afd0f625-a29a-3806-bad0-ad0ca19e7015" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.wabtec.com/role/ConsolidatedStatementsOfShareholdersEquity" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/ConsolidatedStatementsOfShareholdersEquityParenthetical" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/ContractAssetsAndContractLiabilities" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/ContractAssetsAndContractLiabilitiesDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/ContractAssetsAndContractLiabilitiesTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/DerivativeFinancialInstrumentsAndHedging" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/DerivativeFinancialInstrumentsAndHedgingAdditionalInformationDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/DerivativeFinancialInstrumentsAndHedgingSummaryOfNotionalAmountsAndFairValueDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeNet" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeNet_dabd3a0f-c374-778f-7e1d-31a01e3ae9fa" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_039063f0-a070-e7c0-00b9-9f969b70b0e3" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeNet_dabd3a0f-c374-778f-7e1d-31a01e3ae9fa" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_039063f0-a070-e7c0-00b9-9f969b70b0e3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_c526cec7-2a96-da82-2b5c-b252c3ef64fd" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeNet_dabd3a0f-c374-778f-7e1d-31a01e3ae9fa" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_c526cec7-2a96-da82-2b5c-b252c3ef64fd" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.wabtec.com/role/DerivativeFinancialInstrumentsAndHedgingTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/DocumentAndEntityInformation" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/EarningsPerShare" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/EarningsPerShareDetail" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_UndistributedEarnings" xlink:label="loc_us-gaap_UndistributedEarnings_e243993b-04c0-614e-fdea-54d397e0fb8e" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_a10eea14-f4db-3125-d183-77bb54500e95" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UndistributedEarnings_e243993b-04c0-614e-fdea-54d397e0fb8e" xlink:to="loc_us-gaap_NetIncomeLoss_a10eea14-f4db-3125-d183-77bb54500e95" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DividendsCash" xlink:label="loc_us-gaap_DividendsCash_cb219517-b727-7a36-efc5-cf2bc555eb2b" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UndistributedEarnings_e243993b-04c0-614e-fdea-54d397e0fb8e" xlink:to="loc_us-gaap_DividendsCash_cb219517-b727-7a36-efc5-cf2bc555eb2b" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_21ce4f2f-397c-6c02-8635-7c94146a06a0" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_2dd9a981-e559-d141-f1c2-4db79f71a7ef" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_21ce4f2f-397c-6c02-8635-7c94146a06a0" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_2dd9a981-e559-d141-f1c2-4db79f71a7ef" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_e52bef3f-d63a-d129-8b6a-48192f5d97b3" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_21ce4f2f-397c-6c02-8635-7c94146a06a0" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_e52bef3f-d63a-d129-8b6a-48192f5d97b3" xlink:type="arc" />
    <link:loc xlink:href="wab-20190331.xsd#wab_NumeratorForBasicAndDilutedEarningsPerCommonShare" xlink:label="loc_wab_NumeratorForBasicAndDilutedEarningsPerCommonShare_0eb75cdf-1c0b-1902-4f7a-c35ed8059bb1" xlink:type="locator" />
    <link:loc xlink:href="wab-20190331.xsd#wab_UndistributedEarningsAllocatedToCommonShareholders" xlink:label="loc_wab_UndistributedEarningsAllocatedToCommonShareholders_df76a8fe-3438-7995-b37d-c35ed79802a3" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_NumeratorForBasicAndDilutedEarningsPerCommonShare_0eb75cdf-1c0b-1902-4f7a-c35ed8059bb1" xlink:to="loc_wab_UndistributedEarningsAllocatedToCommonShareholders_df76a8fe-3438-7995-b37d-c35ed79802a3" xlink:type="arc" />
    <link:loc xlink:href="wab-20190331.xsd#wab_DividendsDeclaredCommonShares" xlink:label="loc_wab_DividendsDeclaredCommonShares_00993edb-b887-b7f1-c5a3-c35ed80503ec" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_NumeratorForBasicAndDilutedEarningsPerCommonShare_0eb75cdf-1c0b-1902-4f7a-c35ed8059bb1" xlink:to="loc_wab_DividendsDeclaredCommonShares_00993edb-b887-b7f1-c5a3-c35ed80503ec" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.wabtec.com/role/EarningsPerShareTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/EmployeeBenefitPlans" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/EmployeeBenefitPlansAdditionalInformationDetail" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/EmployeeBenefitPlansComponentsOfNetPeriodicBenefitCostDetail" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_f8c4af80-3396-31ad-927b-214035fcad4c" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_50c65441-5a4a-7b70-8a6f-4bdf84901dd7" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_f8c4af80-3396-31ad-927b-214035fcad4c" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_50c65441-5a4a-7b70-8a6f-4bdf84901dd7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_cc5d4539-1440-3488-daaf-595604d399d2" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_f8c4af80-3396-31ad-927b-214035fcad4c" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_cc5d4539-1440-3488-daaf-595604d399d2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_9eb8402e-17f1-615b-f0e0-f772c38d36ef" xlink:type="locator" />
    <link:calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_f8c4af80-3396-31ad-927b-214035fcad4c" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_9eb8402e-17f1-615b-f0e0-f772c38d36ef" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_238da213-7798-05e5-0178-b455f068fdf8" xlink:type="locator" />
    <link:calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_f8c4af80-3396-31ad-927b-214035fcad4c" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_238da213-7798-05e5-0178-b455f068fdf8" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.wabtec.com/role/EmployeeBenefitPlansTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/FairValueMeasurementAndFairValueOfFinancialInstruments" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/FairValueMeasurementAndFairValueOfFinancialInstrumentsDetail" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/FairValueMeasurementAndFairValueOfFinancialInstrumentsTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/GuarantorSubsidiariesFinancialInformation" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/GuarantorSubsidiariesFinancialInformationBalanceSheetDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_96dd7052-744e-d270-4e77-67944ec39152" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_d79dcc1c-93de-0ecd-2bd5-7c1f224c9b98" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_96dd7052-744e-d270-4e77-67944ec39152" xlink:to="loc_us-gaap_AssetsCurrent_d79dcc1c-93de-0ecd-2bd5-7c1f224c9b98" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_1ce4b89e-fa52-7101-5bea-622168a4559a" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d79dcc1c-93de-0ecd-2bd5-7c1f224c9b98" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_1ce4b89e-fa52-7101-5bea-622168a4559a" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReceivablesNetCurrent" xlink:label="loc_us-gaap_ReceivablesNetCurrent_5212eab8-bedb-997a-101c-3c3b65fbee4f" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d79dcc1c-93de-0ecd-2bd5-7c1f224c9b98" xlink:to="loc_us-gaap_ReceivablesNetCurrent_5212eab8-bedb-997a-101c-3c3b65fbee4f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_66bcd79a-a1c3-c24d-b8b4-7a0ce373714b" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d79dcc1c-93de-0ecd-2bd5-7c1f224c9b98" xlink:to="loc_us-gaap_InventoryNet_66bcd79a-a1c3-c24d-b8b4-7a0ce373714b" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAssetsMiscellaneousCurrent" xlink:label="loc_us-gaap_OtherAssetsMiscellaneousCurrent_6b7a9ef2-34ef-0c11-68d5-85ae8c2cdbfa" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d79dcc1c-93de-0ecd-2bd5-7c1f224c9b98" xlink:to="loc_us-gaap_OtherAssetsMiscellaneousCurrent_6b7a9ef2-34ef-0c11-68d5-85ae8c2cdbfa" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_f37ad080-c77a-efc5-c936-389b16abc420" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_96dd7052-744e-d270-4e77-67944ec39152" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_f37ad080-c77a-efc5-c936-389b16abc420" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_831ad0b9-9dba-3997-20e6-e99a19aa28db" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_96dd7052-744e-d270-4e77-67944ec39152" xlink:to="loc_us-gaap_Goodwill_831ad0b9-9dba-3997-20e6-e99a19aa28db" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:label="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_b07dd0b5-2d5b-0f23-dac6-48a6c9c4168f" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_96dd7052-744e-d270-4e77-67944ec39152" xlink:to="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_b07dd0b5-2d5b-0f23-dac6-48a6c9c4168f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_af012273-e8ee-655c-daa2-86b96989d377" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_96dd7052-744e-d270-4e77-67944ec39152" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_af012273-e8ee-655c-daa2-86b96989d377" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_ddb0d184-2205-2a10-5b0e-faf2ccd717ae" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_96dd7052-744e-d270-4e77-67944ec39152" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_ddb0d184-2205-2a10-5b0e-faf2ccd717ae" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_066608da-f041-4af6-3da0-95354b640e11" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_2dcbbde2-9146-a0ba-7f6c-c71b481e0841" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_066608da-f041-4af6-3da0-95354b640e11" xlink:to="loc_us-gaap_LiabilitiesCurrent_2dcbbde2-9146-a0ba-7f6c-c71b481e0841" xlink:type="arc" />
    <link:loc xlink:href="wab-20190331.xsd#wab_IntercompanyLoans" xlink:label="loc_wab_IntercompanyLoans_016d2e8d-704d-e7af-3fcd-c35ed7e63ded" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_066608da-f041-4af6-3da0-95354b640e11" xlink:to="loc_wab_IntercompanyLoans_016d2e8d-704d-e7af-3fcd-c35ed7e63ded" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_872beecf-7614-c912-a2d2-2937513b9a4b" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_066608da-f041-4af6-3da0-95354b640e11" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_872beecf-7614-c912-a2d2-2937513b9a4b" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent" xlink:label="loc_us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent_8becab96-51ce-30cd-4277-5c5503eb5d68" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_066608da-f041-4af6-3da0-95354b640e11" xlink:to="loc_us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent_8becab96-51ce-30cd-4277-5c5503eb5d68" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.wabtec.com/role/GuarantorSubsidiariesFinancialInformationCashFlowsDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/GuarantorSubsidiariesFinancialInformationIncomeStatementDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4d8b6d19-6a54-06aa-2077-c10380bd20d1" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_5c890570-5904-7978-36d8-35b96dcf45ab" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4d8b6d19-6a54-06aa-2077-c10380bd20d1" xlink:to="loc_us-gaap_OperatingIncomeLoss_5c890570-5904-7978-36d8-35b96dcf45ab" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestIncomeExpenseNet" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_80036452-8f22-8b77-cf8f-49eda674198d" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4d8b6d19-6a54-06aa-2077-c10380bd20d1" xlink:to="loc_us-gaap_InterestIncomeExpenseNet_80036452-8f22-8b77-cf8f-49eda674198d" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_c5398800-6e68-ed86-a47c-16106e0730c2" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4d8b6d19-6a54-06aa-2077-c10380bd20d1" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_c5398800-6e68-ed86-a47c-16106e0730c2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromSubsidiariesNetOfTax" xlink:label="loc_us-gaap_IncomeLossFromSubsidiariesNetOfTax_8132893f-a7c2-0f08-bffb-0fae4a4d2a99" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4d8b6d19-6a54-06aa-2077-c10380bd20d1" xlink:to="loc_us-gaap_IncomeLossFromSubsidiariesNetOfTax_8132893f-a7c2-0f08-bffb-0fae4a4d2a99" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.wabtec.com/role/GuarantorSubsidiariesFinancialInformationTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/IncomeTaxes" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/IncomeTaxesDetail" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/Intangibles" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/IntangiblesAdditionalInformationDetail" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/IntangiblesAmortizationExpenseDetail" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/IntangiblesChangeInCarryingAmountOfGoodwillBySegmentDetail" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/IntangiblesIntangibleAssetsOtherThanGoodwillAndTradeNamesDetail" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/IntangiblesTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/Inventories" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/InventoriesDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_66bcd79a-a1c3-c24d-b8b4-7a0ce373714b" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryRawMaterialsNetOfReserves" xlink:label="loc_us-gaap_InventoryRawMaterialsNetOfReserves_a979ceab-3c76-a4d5-9d1d-ca902d5e8595" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_66bcd79a-a1c3-c24d-b8b4-7a0ce373714b" xlink:to="loc_us-gaap_InventoryRawMaterialsNetOfReserves_a979ceab-3c76-a4d5-9d1d-ca902d5e8595" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryWorkInProcessNetOfReserves" xlink:label="loc_us-gaap_InventoryWorkInProcessNetOfReserves_02cb866c-0b1c-51f5-8ed3-3272dfc8c769" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_66bcd79a-a1c3-c24d-b8b4-7a0ce373714b" xlink:to="loc_us-gaap_InventoryWorkInProcessNetOfReserves_02cb866c-0b1c-51f5-8ed3-3272dfc8c769" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryFinishedGoodsNetOfReserves" xlink:label="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_c2dd0840-de07-383b-bde9-fb229532490d" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_66bcd79a-a1c3-c24d-b8b4-7a0ce373714b" xlink:to="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_c2dd0840-de07-383b-bde9-fb229532490d" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.wabtec.com/role/InventoriesTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/Leases" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/LeasesLeaseExpenseDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LeaseCost" xlink:label="loc_us-gaap_LeaseCost_d5a06061-b83d-0d55-b7d3-e1229681b86d" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeaseCost" xlink:label="loc_us-gaap_OperatingLeaseCost_f08a7953-47bc-6d58-e55f-aa8ab4131b72" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_d5a06061-b83d-0d55-b7d3-e1229681b86d" xlink:to="loc_us-gaap_OperatingLeaseCost_f08a7953-47bc-6d58-e55f-aa8ab4131b72" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FinanceLeaseRightOfUseAssetAmortization" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_0c835b1b-073b-1726-45ed-7f72b8f658d6" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_d5a06061-b83d-0d55-b7d3-e1229681b86d" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_0c835b1b-073b-1726-45ed-7f72b8f658d6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FinanceLeaseInterestExpense" xlink:label="loc_us-gaap_FinanceLeaseInterestExpense_ebcb44d8-f146-8715-996b-062bb9d8d43e" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_d5a06061-b83d-0d55-b7d3-e1229681b86d" xlink:to="loc_us-gaap_FinanceLeaseInterestExpense_ebcb44d8-f146-8715-996b-062bb9d8d43e" xlink:type="arc" />
    <link:loc xlink:href="wab-20190331.xsd#wab_ShorttermAndVariableLeaseCost" xlink:label="loc_wab_ShorttermAndVariableLeaseCost_AE745BC3A4C317ADD65D469C4DF72EF9" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_d5a06061-b83d-0d55-b7d3-e1229681b86d" xlink:to="loc_wab_ShorttermAndVariableLeaseCost_AE745BC3A4C317ADD65D469C4DF72EF9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SubleaseIncome" xlink:label="loc_us-gaap_SubleaseIncome_72a2a52d-40f7-d0f1-973c-653a09af02ec" xlink:type="locator" />
    <link:calculationArc order="5" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_d5a06061-b83d-0d55-b7d3-e1229681b86d" xlink:to="loc_us-gaap_SubleaseIncome_72a2a52d-40f7-d0f1-973c-653a09af02ec" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.wabtec.com/role/LeasesLeaseTermAndDiscountRateDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/LeasesMaturityOfLeaseLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_10e0bd29-5982-7ebb-bb17-5361bca728ac" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_38a6b090-3be5-7f8a-d16b-973e8b111ee5" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_10e0bd29-5982-7ebb-bb17-5361bca728ac" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_38a6b090-3be5-7f8a-d16b-973e8b111ee5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_9a13a07a-4477-75df-f259-93d353e0436e" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_10e0bd29-5982-7ebb-bb17-5361bca728ac" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_9a13a07a-4477-75df-f259-93d353e0436e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_9b0526b4-fafb-8f2d-7747-7f90a19a677b" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_10e0bd29-5982-7ebb-bb17-5361bca728ac" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_9b0526b4-fafb-8f2d-7747-7f90a19a677b" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_0b9b28ab-56f0-4494-24e3-113280a3b1c8" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_10e0bd29-5982-7ebb-bb17-5361bca728ac" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_0b9b28ab-56f0-4494-24e3-113280a3b1c8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_7c9dbff4-7abb-6fd4-3703-b36ff0ec4db1" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_10e0bd29-5982-7ebb-bb17-5361bca728ac" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_7c9dbff4-7abb-6fd4-3703-b36ff0ec4db1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_65c921ee-6821-8462-c642-88b91245cd59" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_10e0bd29-5982-7ebb-bb17-5361bca728ac" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_65c921ee-6821-8462-c642-88b91245cd59" xlink:type="arc" />
    <link:loc xlink:href="wab-20190331.xsd#wab_LesseeOperatingAndFinanceLeaseLiabilityUndiscountedExcessAmount" xlink:label="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityUndiscountedExcessAmount_88CD96BA07C30E00C1C146D785A8C21C" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_dba432e7-eec4-e0dc-718d-f46fe263fe47" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityUndiscountedExcessAmount_88CD96BA07C30E00C1C146D785A8C21C" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_dba432e7-eec4-e0dc-718d-f46fe263fe47" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount" xlink:label="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_ad6eb3ad-e10c-27fa-bfaf-ecbc91c6e0bd" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityUndiscountedExcessAmount_88CD96BA07C30E00C1C146D785A8C21C" xlink:to="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_ad6eb3ad-e10c-27fa-bfaf-ecbc91c6e0bd" xlink:type="arc" />
    <link:loc xlink:href="wab-20190331.xsd#wab_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue" xlink:label="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue_D114CAAB6E83E7AC876B46D64DBC8A4C" xlink:type="locator" />
    <link:loc xlink:href="wab-20190331.xsd#wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsRemainderofFiscalYear" xlink:label="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsRemainderofFiscalYear_DB1E0AEFA65235A6E80546B8F6DE7CBF" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue_D114CAAB6E83E7AC876B46D64DBC8A4C" xlink:to="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsRemainderofFiscalYear_DB1E0AEFA65235A6E80546B8F6DE7CBF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_d0e3c4ab-df94-52c6-3761-ce2ed0f2f507" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsRemainderofFiscalYear_DB1E0AEFA65235A6E80546B8F6DE7CBF" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_d0e3c4ab-df94-52c6-3761-ce2ed0f2f507" xlink:type="arc" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsRemainderofFiscalYear_DB1E0AEFA65235A6E80546B8F6DE7CBF" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_38a6b090-3be5-7f8a-d16b-973e8b111ee5" xlink:type="arc" />
    <link:loc xlink:href="wab-20190331.xsd#wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueYearTwo" xlink:label="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueYearTwo_B2F8D83796B5690610A046B9F243F3DE" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue_D114CAAB6E83E7AC876B46D64DBC8A4C" xlink:to="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueYearTwo_B2F8D83796B5690610A046B9F243F3DE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_e0f20176-305e-e29f-ab09-584aea596901" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueYearTwo_B2F8D83796B5690610A046B9F243F3DE" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_e0f20176-305e-e29f-ab09-584aea596901" xlink:type="arc" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueYearTwo_B2F8D83796B5690610A046B9F243F3DE" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_9a13a07a-4477-75df-f259-93d353e0436e" xlink:type="arc" />
    <link:loc xlink:href="wab-20190331.xsd#wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueYearThree" xlink:label="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueYearThree_6DDB4BF48B7B24D26CFF46BAFC483BBF" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue_D114CAAB6E83E7AC876B46D64DBC8A4C" xlink:to="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueYearThree_6DDB4BF48B7B24D26CFF46BAFC483BBF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_8e35e675-3955-0e95-1b9c-d08dd410962e" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueYearThree_6DDB4BF48B7B24D26CFF46BAFC483BBF" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_8e35e675-3955-0e95-1b9c-d08dd410962e" xlink:type="arc" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueYearThree_6DDB4BF48B7B24D26CFF46BAFC483BBF" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_9b0526b4-fafb-8f2d-7747-7f90a19a677b" xlink:type="arc" />
    <link:loc xlink:href="wab-20190331.xsd#wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueYearFour" xlink:label="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueYearFour_B7B2F2DA4AF872D5FFEF46CED6F462C4" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue_D114CAAB6E83E7AC876B46D64DBC8A4C" xlink:to="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueYearFour_B7B2F2DA4AF872D5FFEF46CED6F462C4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_852d78fc-d4b9-e5fb-fd5a-9da7d3d49669" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueYearFour_B7B2F2DA4AF872D5FFEF46CED6F462C4" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_852d78fc-d4b9-e5fb-fd5a-9da7d3d49669" xlink:type="arc" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueYearFour_B7B2F2DA4AF872D5FFEF46CED6F462C4" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_0b9b28ab-56f0-4494-24e3-113280a3b1c8" xlink:type="arc" />
    <link:loc xlink:href="wab-20190331.xsd#wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueYearFive" xlink:label="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueYearFive_9166B9A693FACB89CB0A46D03E5F8EAF" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue_D114CAAB6E83E7AC876B46D64DBC8A4C" xlink:to="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueYearFive_9166B9A693FACB89CB0A46D03E5F8EAF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_7a6864a2-d55e-24e7-17f1-75d5cad038ee" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueYearFive_9166B9A693FACB89CB0A46D03E5F8EAF" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_7a6864a2-d55e-24e7-17f1-75d5cad038ee" xlink:type="arc" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueYearFive_9166B9A693FACB89CB0A46D03E5F8EAF" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_7c9dbff4-7abb-6fd4-3703-b36ff0ec4db1" xlink:type="arc" />
    <link:loc xlink:href="wab-20190331.xsd#wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueAfterYearFive" xlink:label="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueAfterYearFive_D3D654EDF4431604C95C46D18500FBE0" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue_D114CAAB6E83E7AC876B46D64DBC8A4C" xlink:to="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueAfterYearFive_D3D654EDF4431604C95C46D18500FBE0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_a8c7556a-9f4c-b4fb-2e42-b21cf84287a7" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueAfterYearFive_D3D654EDF4431604C95C46D18500FBE0" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_a8c7556a-9f4c-b4fb-2e42-b21cf84287a7" xlink:type="arc" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueAfterYearFive_D3D654EDF4431604C95C46D18500FBE0" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_65c921ee-6821-8462-c642-88b91245cd59" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_4d26bd18-43c4-5981-04d4-83d0e9328a1d" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_4d26bd18-43c4-5981-04d4-83d0e9328a1d" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_d0e3c4ab-df94-52c6-3761-ce2ed0f2f507" xlink:type="arc" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_4d26bd18-43c4-5981-04d4-83d0e9328a1d" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_e0f20176-305e-e29f-ab09-584aea596901" xlink:type="arc" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_4d26bd18-43c4-5981-04d4-83d0e9328a1d" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_8e35e675-3955-0e95-1b9c-d08dd410962e" xlink:type="arc" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_4d26bd18-43c4-5981-04d4-83d0e9328a1d" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_852d78fc-d4b9-e5fb-fd5a-9da7d3d49669" xlink:type="arc" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_4d26bd18-43c4-5981-04d4-83d0e9328a1d" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_7a6864a2-d55e-24e7-17f1-75d5cad038ee" xlink:type="arc" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_4d26bd18-43c4-5981-04d4-83d0e9328a1d" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_a8c7556a-9f4c-b4fb-2e42-b21cf84287a7" xlink:type="arc" />
    <link:loc xlink:href="wab-20190331.xsd#wab_OperatingAndFinanceLeaseLiability" xlink:label="loc_wab_OperatingAndFinanceLeaseLiability_CBCC7B2ECCE1C06D1F7646D8EDA1B2B7" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeaseLiability" xlink:label="loc_us-gaap_OperatingLeaseLiability_41784c6f-4555-af92-3354-8f8701c77f60" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_OperatingAndFinanceLeaseLiability_CBCC7B2ECCE1C06D1F7646D8EDA1B2B7" xlink:to="loc_us-gaap_OperatingLeaseLiability_41784c6f-4555-af92-3354-8f8701c77f60" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FinanceLeaseLiability" xlink:label="loc_us-gaap_FinanceLeaseLiability_f8462fb4-d805-7572-eefc-3247d0b39ea6" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_OperatingAndFinanceLeaseLiability_CBCC7B2ECCE1C06D1F7646D8EDA1B2B7" xlink:to="loc_us-gaap_FinanceLeaseLiability_f8462fb4-d805-7572-eefc-3247d0b39ea6" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.wabtec.com/role/LeasesMaturityOfLeaseLiabilitiesDetailsCalc2" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_E307607FE47F08CA50B98E532B2910C1_4d26bd18-43c4-5981-04d4-83d0e9328a1d" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_E307607FE47F08CA50B98E532B2910C1_dba432e7-eec4-e0dc-718d-f46fe263fe47" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_E307607FE47F08CA50B98E532B2910C1_4d26bd18-43c4-5981-04d4-83d0e9328a1d" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_E307607FE47F08CA50B98E532B2910C1_dba432e7-eec4-e0dc-718d-f46fe263fe47" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeaseLiability" xlink:label="loc_us-gaap_OperatingLeaseLiability_E307607FE47F08CA50B98E532B2910C1_41784c6f-4555-af92-3354-8f8701c77f60" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_E307607FE47F08CA50B98E532B2910C1_4d26bd18-43c4-5981-04d4-83d0e9328a1d" xlink:to="loc_us-gaap_OperatingLeaseLiability_E307607FE47F08CA50B98E532B2910C1_41784c6f-4555-af92-3354-8f8701c77f60" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_E307607FE47F08CA50B98E532B2910C1_10e0bd29-5982-7ebb-bb17-5361bca728ac" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount" xlink:label="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_E307607FE47F08CA50B98E532B2910C1_ad6eb3ad-e10c-27fa-bfaf-ecbc91c6e0bd" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_E307607FE47F08CA50B98E532B2910C1_10e0bd29-5982-7ebb-bb17-5361bca728ac" xlink:to="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_E307607FE47F08CA50B98E532B2910C1_ad6eb3ad-e10c-27fa-bfaf-ecbc91c6e0bd" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FinanceLeaseLiability" xlink:label="loc_us-gaap_FinanceLeaseLiability_E307607FE47F08CA50B98E532B2910C1_f8462fb4-d805-7572-eefc-3247d0b39ea6" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_E307607FE47F08CA50B98E532B2910C1_10e0bd29-5982-7ebb-bb17-5361bca728ac" xlink:to="loc_us-gaap_FinanceLeaseLiability_E307607FE47F08CA50B98E532B2910C1_f8462fb4-d805-7572-eefc-3247d0b39ea6" xlink:type="arc" />
    <link:loc xlink:href="wab-20190331.xsd#wab_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue" xlink:label="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue_E307607FE47F08CA50B98E532B2910C1_D114CAAB6E83E7AC876B46D64DBC8A4C" xlink:type="locator" />
    <link:loc xlink:href="wab-20190331.xsd#wab_LesseeOperatingAndFinanceLeaseLiabilityUndiscountedExcessAmount" xlink:label="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityUndiscountedExcessAmount_E307607FE47F08CA50B98E532B2910C1_88CD96BA07C30E00C1C146D785A8C21C" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue_E307607FE47F08CA50B98E532B2910C1_D114CAAB6E83E7AC876B46D64DBC8A4C" xlink:to="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityUndiscountedExcessAmount_E307607FE47F08CA50B98E532B2910C1_88CD96BA07C30E00C1C146D785A8C21C" xlink:type="arc" />
    <link:loc xlink:href="wab-20190331.xsd#wab_OperatingAndFinanceLeaseLiability" xlink:label="loc_wab_OperatingAndFinanceLeaseLiability_E307607FE47F08CA50B98E532B2910C1_CBCC7B2ECCE1C06D1F7646D8EDA1B2B7" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue_E307607FE47F08CA50B98E532B2910C1_D114CAAB6E83E7AC876B46D64DBC8A4C" xlink:to="loc_wab_OperatingAndFinanceLeaseLiability_E307607FE47F08CA50B98E532B2910C1_CBCC7B2ECCE1C06D1F7646D8EDA1B2B7" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.wabtec.com/role/LeasesMaturityOfLeaseLiabilitiesDetailsCalc3" xlink:type="extended">
    <link:loc xlink:href="wab-20190331.xsd#wab_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue" xlink:label="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue_F51C07368FA8A1C26E168E709AAFA48D_D114CAAB6E83E7AC876B46D64DBC8A4C" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_F51C07368FA8A1C26E168E709AAFA48D_4d26bd18-43c4-5981-04d4-83d0e9328a1d" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue_F51C07368FA8A1C26E168E709AAFA48D_D114CAAB6E83E7AC876B46D64DBC8A4C" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_F51C07368FA8A1C26E168E709AAFA48D_4d26bd18-43c4-5981-04d4-83d0e9328a1d" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_F51C07368FA8A1C26E168E709AAFA48D_10e0bd29-5982-7ebb-bb17-5361bca728ac" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wab_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue_F51C07368FA8A1C26E168E709AAFA48D_D114CAAB6E83E7AC876B46D64DBC8A4C" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_F51C07368FA8A1C26E168E709AAFA48D_10e0bd29-5982-7ebb-bb17-5361bca728ac" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.wabtec.com/role/LeasesNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/LeasesTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/LongTermDebt" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/LongTermDebtAdditionalInformationDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/LongTermDebtScheduleOfLongTermDebtDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtAndCapitalLeaseObligations" xlink:label="loc_us-gaap_DebtAndCapitalLeaseObligations_7af59755-3d0e-afb6-d02a-69abd398a504" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_265f3d44-db40-2656-dee4-40c75e9bde2a" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtAndCapitalLeaseObligations_7af59755-3d0e-afb6-d02a-69abd398a504" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_265f3d44-db40-2656-dee4-40c75e9bde2a" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_872beecf-7614-c912-a2d2-2937513b9a4b" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtAndCapitalLeaseObligations_7af59755-3d0e-afb6-d02a-69abd398a504" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_872beecf-7614-c912-a2d2-2937513b9a4b" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.wabtec.com/role/LongTermDebtScheduleOfLongTermDebtDetailsCalc2" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/LongTermDebtTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/OtherIncomeExpenseNet" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/OtherIncomeExpenseNetDetail" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_c5398800-6e68-ed86-a47c-16106e0730c2" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossRealized" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossRealized_db31a483-6e91-bb9e-3d96-563ab3da2f2c" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_c5398800-6e68-ed86-a47c-16106e0730c2" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossRealized_db31a483-6e91-bb9e-3d96-563ab3da2f2c" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_d01a4d5f-b660-27b4-db84-9a80227862fc" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_c5398800-6e68-ed86-a47c-16106e0730c2" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_d01a4d5f-b660-27b4-db84-9a80227862fc" xlink:type="arc" />
    <link:loc xlink:href="wab-20190331.xsd#wab_PeriodicDefinedBenefitsExpenseReversalofExpenseExcludingInterestCostAndServiceCostComponent" xlink:label="loc_wab_PeriodicDefinedBenefitsExpenseReversalofExpenseExcludingInterestCostAndServiceCostComponent_FC82F701B16FB40CBD2491E47ADAF5C8" xlink:type="locator" />
    <link:calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_c5398800-6e68-ed86-a47c-16106e0730c2" xlink:to="loc_wab_PeriodicDefinedBenefitsExpenseReversalofExpenseExcludingInterestCostAndServiceCostComponent_FC82F701B16FB40CBD2491E47ADAF5C8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_41e96f8d-e499-8de8-69a8-27f1c7d4df6e" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_c5398800-6e68-ed86-a47c-16106e0730c2" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_41e96f8d-e499-8de8-69a8-27f1c7d4df6e" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.wabtec.com/role/OtherIncomeExpenseNetTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/SegmentInformation" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/SegmentInformationAdditionalInformationDetail" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/SegmentInformationSalesByProductDetail" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/SegmentInformationSegmentFinancialInformationDetail" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4d8b6d19-6a54-06aa-2077-c10380bd20d1" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_5c890570-5904-7978-36d8-35b96dcf45ab" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4d8b6d19-6a54-06aa-2077-c10380bd20d1" xlink:to="loc_us-gaap_OperatingIncomeLoss_5c890570-5904-7978-36d8-35b96dcf45ab" xlink:type="arc" />
    <link:loc xlink:href="wab-20190331.xsd#wab_InterestExpenseAndOtherNet" xlink:label="loc_wab_InterestExpenseAndOtherNet_6c17fe97-2c3e-e784-2090-c35ed8241348" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4d8b6d19-6a54-06aa-2077-c10380bd20d1" xlink:to="loc_wab_InterestExpenseAndOtherNet_6c17fe97-2c3e-e784-2090-c35ed8241348" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.wabtec.com/role/SegmentInformationTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/StockBasedCompensation" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/StockBasedCompensationAdditionalInformationDetail" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/StockBasedCompensationFairValueOfEachOptionGrantWeightedAverageAssumptionsDetail" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/StockBasedCompensationRestrictedStockActivityAndIncentiveStockAwardsActivityDetail" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/StockBasedCompensationStockOptionActivityDetail" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/StockBasedCompensationTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/Warranties" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/WarrantiesDetail" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.wabtec.com/role/WarrantiesTables" xlink:type="extended" />
</link:linkbase>
