EPA approved diesel engine, 1 cylinder, air cooled, 4 stroke, vertical, direct injection, ModelKD186F/FETypeVertical, 1-cylinder, 4-stroke, air-cooledCombustion systemDirect ... frClockwiseEPA approved diesel engine, 1 cylinder, air cooled, 4 stroke, vertical, direct injection, manual or electric starter optional EPA 8HP 1-cylinder ...