Rated voltage(V):220-240 Rated frequency(Hz):50 Phase:Single Max.output(kW):5.0 Rated output(kW):4.5 Rated speed(rpm):3000 Engine:Diesel 9.0HP Displacement(ml):418 Cooling system:Air-cooled Starting system:Electric Copper coil alternator Fuel tank(L):17 Dry weight(Kg):17 30AH maintenance-free battery Silent type diesel generator Packed by carton box