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 business in more than 140 countries. General Motors is divided into four business segments: "GM North America" (GMNA), "GM South America" (GMSA), "GM International Operations" (GMIO), and "GM Financial". The company also operates a mobility division called Maven, which operates car-sharing services in the United States, and is studying alternatives to individual vehicle ownership. GM Defense is General Motors' military defense division, catering for the needs of the military for advanced technology and propulsion systems for military vehicles. General Motors led global vehicle sales for 77 consecutive years from 1931 through 2007, longer than any other automaker, and in 2012