5 $827.92

CAT 2SFX25GZ Hollow Shaft Pressure Washer Pump w/ By-Pass Hose



This 2.5 GPM 2500 PSI 3/4″ Hollow Shaft reciprocating, plunger pump with By-Pass Hose is constructed of a 316SS manifold, 316SS valve assemblies, & solid ceramic plungers.

This is a triplex [three plunger rods] positive displacement, reciprocating, plunger pump, constructed of a brass manifold, 304SS valve assemblies, solid ceramic plungers and standard NBR [Buna-N] seals and o-rings. This is a hollow-shafted pump is designed to bolt directly to a gas engine drive, providing easy, compact installation. It has a built-in By-Pass Hose to route the by-pass fluid directly to the pump inlet.


  • Maximum Volume: 2.5 GPM

  • Maximum Discharge Pressure: 2500 PSI

  • Maximum Inlet Pressure: 100 PSI

  • Maximum Pump Speed: 3450 RPM

  • Standard Liquid Temperature: 160 F (Above 130 F call CAT PUMPS for inlet conditions and elastomer recommendations)
  • 3/4″ Hollow Shaft

  • Inlet Port: 3/8″ FPT

  • Discharge Port: 3/8″ NPT

  • By-Pass Port: 1/4″ NPT

  • Approximate Weight: 14 lbs.

Weight 15 lbs
Max Volume

Max Discharge Pressure

Max Pump Speed

Max Inlet Pressure

Inlet Port

Discharge Port

By-Pass Port

Standard Temperature


Hollow Shaft


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