Portable Gas Air Compressor Fuel Type Gasoline Number of Stages 1 Engine Output Power 4 hp Engine Brand Honda Free Air Flow Rate 4.6 cfm Free Air Flow Rate @ Maximum Pressure 4 cfm Maximum Operating Pressure 125 psi Air Tank Size 5 gal Air Tank Style Twin Starter Type Recoil Sound Level Not Rated Pump Type Cast Iron Oil Lubricated Single Stage Maximum Speed 3 000 RPM Average Pump Life 2 000 hr Lubrication Type Splash Lubricated Pump Oil Capacity 4 oz Engine Oil Capacity 20 oz