EnginesContinental R975 EC2Continental R975 EC2Continental R975 EC2LayoutRadialCoolingAirFuelPetrolRatingsRegimePowerRpmMax400 hp2,400Vehicles 3193119321933193419351936193719381939194019411942194319441945M3 Lee (US turret)3,713May 1942 – May 1943≈ Feb 1944 – Aug 1945≈ Nov 1942 – May 1943≈ May 1942 – May 1945≈ Jun 1944 – Oct 1944Grant I1,211M3A2 Lee12