Portable Gas Air Compressor Fuel Type Gasoline Number of Stages 2 Engine Output Power 9 hp Engine Brand Honda Free Air Flow Rate 18.3 cfm Free Air Flow Rate @ Maximum Pressure 17.5 cfm Maximum Operating Pressure 175 psi Air Tank Size 20 gal Air Tank Style Horizontal Starter Type Recoil Sound Level Not Rated Pump Type Cast Iron Oil Lubricated Maximum Speed 864 RPM Average Pump Life 2 000 hr Lubrication Type Splash Lubricated Pump Oil Capacity 24.7 oz Engine Oil Capacity 37 oz