The #1 Source for Commercial Pressure Washing Equipment, Supplies & Training
Quality Products. Expert Training. Amazing Service.

CAT 2SF20ES Hollow Shaft Pressure Washer Pump



This 2.0 GPM 2000 PSI 5/8″ Hollow Shaft reciprocating, plunger pump is constructed of a 316SS manifold, 316SS valve assemblies, and solid ceramic plungers.

This is a triplex [three plunger rods] positive displacement, reciprocating, plunger pump, constructed of a 316SS manifold, 316SS valve assemblies, solid ceramic plungers and standard NBR [Buna-N] seals and o-rings. This is a hollow-shafted pump designed to bolt directly to a c-face electric motor, providing easy, compact installation.


  • Maximum Volume: 2.0 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)
  • Bore Diameter: 18 mm
  • Stroke: 3.1 mm
  • Shaft Diameter: 11 mm
  • 5/8″ Hollow Shaft
  • Inlet Port: 3/8″ FPT
  • Discharge Ports: 2 x 3/8″ NPT
  • By-Pass Port: 1/4″ NPT
  • Approximate Weight: 11 lbs.
Weight 12 lbs
Shaft Diameter

.625 in / 15.88 mm

Max Volume

2.0 GPM

Max Discharge Pressure

2000 PSI

Max Pump Speed

3450 RPM

Max Inlet Pressure

100 PSI

Bore Diameter

.709 in / 18 mm


.122 in / 3.1 mm

Max Fluid Temp.

140 F

Inlet Port

3/8" F

Discharge Port

3/8 NPT

By-Pass Port

1/4" NPT

Standard Temperature

160 F


Stainless Steel

Hollow Shaft

.625 in / 15.88 mm




There are no reviews yet.

Be the first to review “CAT 2SF20ES Hollow Shaft Pressure Washer Pump”

Your email address will not be published.

Shopping Cart
    Your Cart
    Your cart is emptyReturn to Shop
      Apply Coupon