CAT 67DX39G1I Direct Drive Plunger Pump   Leave a comment

CAT 67DX39G1I Direct Drive Plunger Pump

This is a direct-drive triplex plunger pump, constructed of a brass manifold, 304SS stacked valve assemblies, solid ceramic plungers and standard NBR (Buna-N) o-rings, Lo-Pressure seals and V-packings. This high performance, economy pump is a flange-mount, hollow-shafted pump designed to bolt directly to a gas engine drive, providing an easy, compact installation. This pressure washer pump comes standard with an integral Regulating unloader and fixed chemical injector.

– Triplex plunger dsign provides a smooth liquid flow

– Special concentric, high-density, polished solid ceramic plungers provide a true wear surface and extended seal life.

– Built-in flange mount for easy, direct mounting to most gas engines. Eliminates the need for pulleys, belts, gearboxes.

– Integral Regulating Unloader with built-in by-pass is standard for safety and pressure setting.

– Stacked stainless steel valve design for long life and easy servicing.

– Fixed Chemical injector is standard and mounts directly onto Unloader to provide cleaning flexibility.


  • 3.9 GPM
  • 4000 PSI
  • 3450 RPM
  • 1″ Hollow Shaft
  • Crankcase capacity 13.5 oz
  • Built-in unloader and fixed chemical injector

CAT Pump 67DX39G1I Pump Breakdown Click Here.

Click Here to Purchase the CAT 67DX39G1I Pump


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