OUR 1105 OPERATES WITH EITHER A 5 HP OR 7.5 HP ELECTRIC MOTOR. You will need to adjust the electric motor pulley to turn the pump at the right RPM. Inlet Filter Silencer & Elements. Start/Stop Operation (Head Unloaders are Standard). Recommended on a 13 or 14 HP Gas Engine. 145 – 175 PSI. Great Replacement for Failed Pumps (All Brands). Inlet Filter Assembly with Element. Cast Iron Inter Cooler and After Cooler. Centrifugal Unloader & Head Unloaders on Specific Models. Two Stage Construction (175-PSIG). This is a complete two stage (175-PSI) air compressor pump. Cast Iron construction, complete with flywheel and head unloaders (for gas operated air compressors). This item ships via a common carrier and needs to be delivered to a commercial business with the means of getting it off the truck. Please note if you have a fork truck or means of removing the machine from the truck. If you do not have the equipment to remove the machine, we recommend either. This will help with the removal of the machine from the truck. The item “5 HP or 7.5 HP Air Compressor Pump Two Stage 175 PSI Cast Iron 2 Cylinder Pump” is in sale since Saturday, October 26, 2019. This item is in the category “Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Air Compressors & Blowers\Other Air Compressors”. The seller is “compressorworld” and is located in Pembroke, Massachusetts. This item can be shipped to United States.