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 Diesel General Motors Diesel General Motors Diesel was a railway diesel locomotive manufacturer located in London, Ontario, Canada. It served many notable companies such as BNSF Railway and Union Pacific. It was created in 1949 as the Canadian subsidiary of the Electro Motive Division of General Motors (EMD) located in the United States. In 1969 it was re-organized as the Diesel Division of General Motors of Canada, Ltd. The plant was re-purposed to include manufacture of other diesel-powered General Motors vehicles such as buses. Following the US-Canada Free Trade Agreement in 1989, all of EMD's locomotives were built at the London