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This 3.0 GPM 2000 PSI 3/4″ Hollow Shaft reciprocating, plunger pump with a By-Pass Hose is constructed of a 316SS manifold, 316SS valve assemblies, and solid ceramic plungers.


CAT 2SFX30GS Hollow Shaft Pressure Washer Pump w/ By-Pass Hose

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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: 3.0 GPM

  • Maximum Discharge Pressure: 2000 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 Ports: 2 x 3/8″ NPT

  • By-Pass Port: 1/4″ NPT

  • Approximate Weight: 14 lbs.

Weight 15 lbs
Max Volume

3.0 GPM

Max Discharge Pressure

2000 PSI

Max Pump Speed

3450 RPM

Max Inlet Pressure

100 PSI

Inlet Port

3/8" F

Discharge Port

3/8 NPT

By-Pass Port

1/4" NPT

Standard Temperature

160 F



Hollow Shaft

.750 in / 19.05 mm



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