Air Compressor Pump Lubrication Type Splash Lubricated Number of Stages 2 Maximum Output Power 14 hp Free Air Flow Rate @ Maximum Pressure 16.6 cfm @ 175 psi Number of Cylinders 2 Maximum Operating Pressure 175 psi Flywheel Diameter 15 in Flywheel Included Yes Pump Speed 1 400 RPM Construction Aluminum Cast Iron Groove Section A Number of Grooves 2 Valve Type Reed Valve Material Stainless Steel Rotation CCW Stroke Length 3 in