Air Compressor Pump, Lubrication Type Splash Lubricated, Number of Stages 2, Maximum Output Power 5 hp, Free Air Flow Rate @ Maximum Pressure 14.0 cfm @ 175 psi, Number of Cylinders 2, Maximum Operating Pressure 175 psi, Flywheel Diameter 13 1/2 in, Flywheel Included Yes, Pump Speed 1,575 RPM, Duty Cycle Continuous, Construction Cast Iron, Groove Section A, Number of Grooves 1, Valve Type Finger, Rotation CCW, Stroke Length 2 3/4 in