... Recoil start Air Cooled,4 Stroke,OHV Gasoline,Single Cylinder gasoline weldingHandle Recoil startAir Cooled,4 Stroke,OHV Gasoline,Single CylinderProductGasoline welding ... Voltage (V)220VEngine ModelZT190FEngine TypeAir Cooled,4 Stroke,OHV Gasoline,Single CylinderDisplacement (CC)419Engine Speed (RPM ... current regulation:50-190AElectrode diameter:2-5mm air-cooled 1 Cylinder gasoline welding machine