... Fuel, Low Emission, Environment-friendly. Technical Prameter of SLB226D-4CNG Gas Generator SetTypeSLB226D-4CNG Rated Power(KW)30 Rated Voltage(V)400 ... )2062*790*1540 Net Weight of Set(KG)1250 Technical Parameters of SLB226D-4CNG Gas EngineModelSLB226D-4CNG TypeFour-stroke,Inline,Water ... Oil less than 95°C Exhaust less than 630°CFuelNatural Gas or MethaneLubricating OilGreat Wall CNG Special Oil or 15W/ ...