Single stage twin cylinder pump fits compressors from a wide selection of manufacturers. Heavy duty cast iron construction. Splash lubrication keeps pump running cool. Oil sight glass for easier maintenance. Requires at least 5 HP motor. Rated pressure: 145 PSI. Pump speed: 655 RPM. Air Outlet: 3/4-14 NPT. Type 2A Flywheel: 14-1/2” with double V-groove (Belt Not Included). Four 3/8 diameter unthreaded mounting holes. Mounting pattern: 5-1/4 x 10-1/4 center-to-center. Base dimensions: 11” L x 6-1/4” W. Overall dimensions: 17-3/4″ L x 12-1/4″ W x 15 H. Does not include Engine. This replacement 145 PSI air compressor pump fits compressors from most manufacturers. The splash lubrication keeps the air compressor pump cool while a heavy duty cast iron steel construction withstands rigorous use on the job. Oil sight glass for easy maintenance. Requires a 5 HP motor. 5 HP 145 PSI Twin Cylinder Air Compressor Pump. Type: Single Stage Twin Cylinder; Oil Lubricated. Required HP: 5 HP motor. Rated Air Pressure: 145 PSI. Speed Range: 655 – 1050 RPM. Recommended Speed: 850 RPM. Air Outlet: 116 UN. Lubrication: Splash Type with Oil Level Window. Pump Pulley: 14-1/2 diameter with double V-groove. Belt Type: A 1600. Mounting Hole Pattern: 5-1/4″ x 10-1/4″ (center-to-center) Four 7/16 diameter holes. Recommended Mounting Bolts: 3/8 diameter, grade 5 or better. Overall Dimensions: 17-3/4″ L x 12-1/4″ W x 15 H. Please check my other listings. All of our items come from a smoke-free, pet-free home. From New York for Continental United States destinations. Local pick-up is always welcome. Our primary concern is your satisfaction. Check out our feedback comments. Thank you very much for looking! The item “145 PSI Twin Cylinder Air Compressor Pump for 5 HP Motor Single Stage 17.3 CFM” is in sale since Sunday, February 05, 2017. This item is in the category “Home & Garden\Tools\Air Compressors”. The seller is “precisionsignsny” and is located in Amityville, New York. This item can be shipped to United States.