... 2.8KW, 3.4-3.8HP diesel engine, Vertical, air-cooled, 4-stroke, single cylinder ,Recoil start or electric stat optional 3.5HP ... diesel engine ModeKD170F/FETypeVertical, 1-cylinder, 4-stroke, air-cooledCombustion ... type: 27 (59.4)Electric starter type: 31 (68.2)Rotaion direction (view from flywheel)Clockwise 3.5HP diesel engine EPA