WABCO was the brand & Operating company name used by the Westinghouse Air Brake Company of Pennsylvania, USA. The company manufactured a wide range of items in addition to the Air Brake for trains and motor vehicles that the company founder had invented. The Company diversified into building Off-highway dump trucks and other machinery for the mining industry in the 19 ? WABCO also manufactured some machines in Australia. LeTourneau Inc. was not to make earthmoving equipment or compete for 5 years as part of the deal.