Air Compressor Pump Number of Stages 2 Splash Lubricated 10 15 HP 34.8/49.0 Free Air CFM @ Max Pressure Max Pressure 175 psi Oil Capacity 4 qt. Number of Cylinders 4 NPT Outlet 3/4 In. Pump RPM 740 1045 Rotation CW Groove Section B Groove Quantity 2 Flywheel Included Y Flywheel Dia 19 In. Sheave Size @ 1725 RPM 8 In. 11-3/8 In. Bore Dia 4-5/8 In. 2-1/2 In. Stroke Length 3 In. Cast Iron Construction Painted Green Finish Valve Material Swedish Steel Valve Type Reed