General Motors Diesel Division Division. In 1965 GMDD was absorbed by the General Motors Detroit Diesel Engine Division. General Motors Diesel Division is not to be confused with General Motors Diesel, Ltd., the Canadian subsidiary of EMD formed in 1949, or the Diesel Division of General Motors of Canada, the entity for General Motors of Canada's diesel equipment manufacturing operations formed in 1969. Diesel engines produced by the General Motors Cleveland Diesel and Detroit Diesel Engine Divisions General Motors Diesel Division General Motors Diesel Division (GMDD) was a marketing and customer service unit of General Motors founded in 1938. It sought customers for GM's
General Motors Company), a competitor of Delco. In 1918 General Motors bought United Motors. Various entities grew out of the original Delco and Remy, including the Dayton Metal Products Corporation, the General Motors Research Corporation, the Delco Division and Remy Electric Division of GM, Delco Remy (now Remy International, Inc.), ACDelco, Delco Electronics, and others. Today's main successor corporation is Delphi Automotive, which nowadays is an independent parent corporation. The General Motors Research Corporation, at Dayton under Kettering, became a true automotive research center. During the next few decades it led the development of: Although GM R&D (as it is known in