Air Compressor Pump Number of Stages 1 Splash Lubricated 3 HP 10.2 Free Air CFM @ Max Pressure Max Pressure 125 psi Oil Capacity 16 oz. Number of Cylinders 1 NPT Outlet 1/2 In. Pump RPM 1340 Rotation CCW Groove Section A Groove Quantity 1 Flywheel Included Y Flywheel Dia 10 In. Sheave Size @ 1725 RPM 3-61/64 In. Bore Dia 2-1/2 In. Stroke Length 1-27/32 In. Cast Iron Construction Painted Green Finish Valve Material Reed Style Valve Type Reed