CAT PUMP 4DNX25GSI - 2750 PSI - 2.5 GPM - 5 to 6.5 HP - 3/4 Shaft - Horizontal. Mounts to horizontal shaft motors only - Fits 4 bolt engine face plates - Bolts are NOT included - You must use bolts from the previous pump - 2 1/4 GPM - 5 to 6.5 HP - Gasoline powered. Mounting Position: Horizontal Shaft Motors Only. Bolt Pattern: Fits 4 Bolt Engine Face Plates.Easy Start Pressure System: Yes. The item "CAT 4DNX25GSI PRESSURE WASHER Pump 2850 PSI 2.5 GPM 5 to 6.5 HP 3/4 Shaft" is in sale since Tuesday, July 23, 2019. This item is in the category "Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Other Pumps". The seller is "pacifictundra" and is located in CA, MO, & VT. This item can be shipped worldwide.