3 HP Replacement Single Stage Air Compressor Pump Brand new two-cylinder cast iron single stage air compressor pump. This is a 3 horsepower pump that will deliver 11.8 CFM at 1100 RPM with a max RPM of 1400. This pump is most commonly used on compressors under 60 gallons in size and can be used with a true 3 horsepower motor (these motors typically run at 15 amps on 230 volts). This pump comes complete as shown in the photos, including intake filter and pulley. See specifications below for more details. YOUR COMPRESSOR, COMPRESSOR PARTS, & ACCESSORY SUPERSTORE! 3/8 RapidAir Garage Piping. Blow Guns & Tire Inflators. Regulators, Filters, & Oilers. Throttle Cont Cables & Valves. GREAT SELECTION OF PRODUCTS. PRODUCT KNOWLEDGE & SUPPORT. 3 HP Replacement Air Compressor Pump Single Stage 2 Cylinder 12 CFM 150 PSI Max. 3 HP Replacement Single Stage Air Compressor Pump. Brand new two-cylinder cast iron single stage air compressor pump. Cast Iron Cylinder and Crankcase. Equipped with Sight Glass for Easy Viewing of Oil Level. Comes with Two Intake Filters. Two Cylinder. Single Stage. Recommended Motor Size: 3 HP. CFM at 1100 RPM: 11.8. CFM at 1400 RPM (Max RPM): 15.1. Cylinder Diameter: 65mm. Cylinder Stroke: 46mm. Pump Flywheel Diameter: 10.5″. Working Pressure: 120 PSI. Maximum Pressure: 150 PSI. Net Weight: 55 lbs. Outside Dimension: 15.36″ x 11.42″ x 13″. California Residents Warning: This product contains or may contain chemicals including lead known in the state of California to cause cancer, birth defects, or other reproductive harm. California law requires this warning be given to all customers in the state of California. California Health and Safety Code 25249.5 et seq. If for any reason there is an issue with your order we will contact you right away. Feedback At Compressor Source we strive for great customer service and to sell the best quality parts at the lowest prices possible.