General Pump T9281 Solid Shaft Pressure Washer Pump

Using the preferred pump frame in the Pressure Washing industry, the General Pump T9281 Pressure Washer Pump boasts 4.0 GPM & 4000 PSI performance at 1750 RPM. Its brass manifold with an exclusive lifetime warranty and a large-capacity, die-cast, anodized aluminum oil-bath crankcase.

Need a “Ready to Go” Pump Solution without the hassle of building it yourself? Call us at 1-800-433-2113 to ask about our Our PowerWash Exclusive “Ready to Go” Edition which provides you with the complete and installed package needed to begin cold-water Pressure Washing Applications right away!

Features include:

• Forged brass manifold with an exclusive lifetime warranty


• Large-capacity, die-cast, anodized aluminum oil-bath crankcase


• Over-sized connecting rods for maximum life


• Heavy-duty tapered roller bearing


• Solid ceramic plungers with continuously lubricated packings


• Unitized stainless steel inlet and discharge valves


• Available in “L” left-handed versions

• Maximum Volume: 4.0 GPM @ 1750 RPM


• Maximum Discharge Pressure: 4000 PSI @ 1750 RPM


• Maximum Pump Speed: 1750 RPM


• Maximum Inlet Pressure: 125 PSI


• Maximum Inlet Vacuum: 9 ft. water (7.9 in. Hg)


• Plunger Bore: .787 in. / 20 mm


• Plunger Stroke: .512 in. / 13 mm


• Crankcase Oil Capacity: 40.6 oz.


• Maximum Fluid Temperature: 165 F


• Inlet Port Thread: 1/2-14 BSPP-F


• Discharge Port Thread: 3/8-19 BSPP-F


• Shaft Diameter: .945 in. / 24 mm


• Weight: 32 lbs.


• Dimensions: 12.2″ x 9.2″ x 6.9″