applicable for cummins engine: mechanical type engine C series Technical parameter: oil: 15W-40oil ... .7L/min (n=4375rpm,P=420kPa)Applicable for engine NO.:G5.9, B4.5s, QSB5.9-44 ... B6.7s, B5.9LPG, B LPG Plus, B4.5, ISB CM2150, ISB CM850, B Gas International, B3.9, ... QSB4.5-30, B Gas Plus, QSB6.7 CM850, ... QSB3.9-30 oil pump applicable for cummins engine