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
Chrysler Sigma power and torque of . According to Chrysler, this made it the most powerful four-cylinder engine sold in Australia at the time. On 28 April 1980, Chrysler unveiled the GH Sigma in Brisbane. Then on 30 April, Mitsubishi Corporation and Mitsubishi Motors jointly acquired Chrysler's remaining 65 percent share of Chrysler Australia (bringing the dual Mitsubishi ownership to 98.9 percent). On 1 October 1980, the GH range was rebadged from Chrysler Sigma to Mitsubishi Sigma, due to the renaming of Chrysler Australia to Mitsubishi Motors Australia (MMAL) following the buy-out. Released to the market on 12 May, the GH series