Gasoline water pump set:DJ50C Technical Features Pump Suction diameter 2"(50mm) Discharge diameter 2"(50mm) Max.head 21m Suction life 8m Max.flow 700L/min Pump body Aluminium alloy Impeller Aluminium alloy Mechanical seal Carbon-Ceramic Model DJ160 Type Single-cylinder,25-inclined,4-storke, air-cooled,OHV,gasline engine Displacement 163cc. Bore 68 mm Stroke 45 mm Compression ratio 8.5:1 Speed 3600 RPM Continuous output 4.5 hp Max.output 5.0 hp Starting system Recoil starter Cooling system Forced air Ignition system TCI(Transistorrized pointless) Fuel Unleaded petrol Fuel tank capacity 3.7L Lub. Oil capacity 0.6L Continuous working time 2.5h Frame Type Monoblock,2 supports Material Steel Package Dimentions and weight Length 510mm Width 450mm Height 460mm weight 23kg For details, please visit our web site: / also if you have further assistance or queries, kindly feel free contact me,I hope establish long term co-operation between us.