... Noise Lower, Vibration Small, Small in size, Low Fuel, Low Emission, Environment-friendly. Technical Prameter of SLB226D-4CNG Gas Generator SetTypeSLB226D-4CNG Rated ... of Set(KG)1250 Technical Parameters of SLB226D-4CNG Gas EngineModelSLB226D-4CNG TypeFour-stroke,Inline,Water-cooled, Wet- ... less than 95°C Exhaust less than 630°CFuelNatural Gas or MethaneLubricating OilGreat Wall CNG Special Oil or ...