ce approved,powered by KOOP advanced air-cooled diesel engine,large silent muffler&air cleaner reducing exhaust and intake ... KD186FE Engine type 1-cyliner, 4-stroke, air-cooled, vertical, diesel engine Displacement [cm³(Cu-in)] 406 (24.78) Compression ratio ... (view from flywheel) Clockwise Fuel type 0- (summer), -10-(winter) diesel oil Lube SAE10W30 (above CC grade) Low oil pressure alarm ...