Air Compressor Pump Lubrication Type Splash Lubricated Number of Stages 2 Maximum Output Power 5 hp Free Air Flow Rate @ Maximum Pressure 17.1 cfm @ 175 psi Number of Cylinders 2 Maximum Operating Pressure 175 psi Flywheel Diameter 16 1/2 in Flywheel Included Yes Pump Speed 700 RPM Construction Cast Iron Valve Type Reed Valve Material Stainless Steel Rotation CCW Stroke Length 3 in