Giant 2.5 GPM 2500PSI Horizontal Pump w Unloaderbr br Featurebr * br Giant 2.5 GPM 2500 PSI Wobble Shaft Horizontal Pump with 78" Steel Shaft fits Ex-cell XR series Pressure washersMax. Volume: 2.5 GPMMax. Pressure: 2500 PSIPump Speed: 3450 RPMPlunger Diameter: 4.23"Inlet Port: 12" NPT Swivel FittingDischarge Port: 38" NPT FittingMax Inlet Temperature: Up to 80° FRequired BHP: 4.3Brass fluid endComes with built in adjustable unloader thermal relief valve & chemical injectorIncludes engine mounting hardware78" Keyed Hollow Steel Shaft DiameterQuality Made in the U.S.A.Pump Weight: 9 lbs.