0000943452 2020-12-07 2020-12-07 false 0000943452 8-K 2020-12-07 WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION DE 033-90866 25-1615902 30 Isabella Street Pittsburgh PA 15212 412 825-1000 false false false false Common Stock, par value $0.01 per share WAB NYSE false