Pressure Washer Pump 2500PSI, 2.5GPM Description: ? Fits most vertical designed Devilbiss, Excell and other pressure washers (not Karcher) ? AR Quality with parts availability. ? Radial Axial Pump with popular 3 BOLT PATTERN ? Vertical Mount Direct Drive with Gas Flange 3-6 HP ? Max. Volume: 2.5 GPM ? Max. Discharge Pressure: 2,600 PSI ? Max. Pump Speed: 3400 RPM ? Shaft Diameter: 7/8? Hollow ? Inlet Ports (1): 3/4" GH ? Discharge Ports (1): 22M ? Built In unloader ? Chemical injector ? Brass head & valve covers ? Stainless steel plungers ? Aluminum crankcase without need of oil replacement ? Weight: 7.7 lb. Will not fit Excell pressure washers with the Excell Radial Two Piston Pumps. You must use A07846