Air Compressor Pump, Lubrication Type Splash Lubricated, Number of Stages 1, Maximum Output Power 2 hp, Free Air Flow Rate @ Maximum Pressure 5.8 cfm @ 125 psi, Number of Cylinders 2, Maximum Operating Pressure 125 psi, Flywheel Diameter 10 1/8 in, Flywheel Included Yes, Pump Speed 929 RPM, Construction Cast Iron, Groove Section A, Number of Grooves 2, Valve Type Disc, Valve Material Swedish Steel, Cylinder Material Cast Iron, Rotation CCW, Stroke Length 2 in