Skip to Main Content

CAT Pump 4PPX25GSI Direct Drive Plunger Pump - 2.5 GPM, 3300 PSI, 3450 RPM

Mfr. Model #:
KR Part #:
10.70 lbs
Low Stock Warning
Now Only!
This direct-drive plunger pump is great for use in pressure washing applications.

Technical Specifications

Bore: 14 millimeter
Crankcase Capacity: 8.5 ounce
Horsepower: 5.6
Max GPM: 2.5
Max PSI: 3300
Shaft Diameter: 3/4 inch
Max Temperature: 130 degrees F
Inlet Port: 3/8 inch

Product Description

Pressure Wash Pump

Get great pressure washing power with the CAT Pumps 4PPX25GSI direct-drive plunger pump! Able to handle a flow of 2.5 GPM at 3300 PSI, this pump's triplex design delivers smooth results. The ultra-compact pump has a hollow shaft to enable direct mounting on gas engines, and a fixed chemical injector increases flexibility in your various cleaning applications.

Please note that a gas engine is not included. See Related Products for more great CAT pressure washing and direct-drive plunger pumps!

Dimensions: 8.03" x 7.83" x 6.61"

  • Mount directly on gas pressure washer motor
  • High pressure seals and concentric, solid ceramic plungers for longevity
  • Stacked valve design is easy to service if needed
  • Built-in pressure unloader system protects pump
  • Bore: 0.551"
  • Crankcase capacity: 8.5 oz.
  • Maximum liquid temperature: 130°F
  • Maximum flow: 2.5 GPM
  • Maximum pressure: 3300 PSI
  • Maximum RPM: 3450
  • Inlet port: 3/8" NPTF
  • Accessory Inlet: 1/4" NPTF
  • Discharge Port / Chemical Injector: 3/8" NPTM
  • Injector hose barb: 1/4"
  • Hollow shaft diameter: 3/4"
  • Weight: 10.7 lbs.

Product Reviews

Frequently Asked Questions