Robin gasoline engine fit to concrete vibrators, water pump.can be inserted using,Cylinddrical ,Square Coupling,Hayashi coupling be used with the concrete vibrators and the pump.vibrator can be inserted using,Cylinddrical ,Square Coupling,Hayashi couplingsource 110V/220V/380V/50HZPower 1.5Kw(2.0Hp)speed 50HZ(2850rpm)/60HZ(3450rpm)fuel:gasoline,diesel Robin gasoline engine(ISO 9001:2000)