... used as the main power for generator set, fixed power, engineering machinery, agricultural machines and water ... easy starting & maintenance, and better adaptability. All in all , All series engines has high performance reliability and ... of YX engine: ENGINE MODELR4105ZDTYPEFOUR STROKE,WATER COOLED,IN-LINE,DIRECT INJECTIONBORE*STROKE105mm*125mmDISPLACEMENT4.33LPRESSURE RATIO17:1RATED OUTPUT56KWRATED ...