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CAT Pumps 335 4-Frame Piston Pump - 4 GPM, 1200 PSI, 1070 RPM

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18.00 lbs
Usually Ships in 2 Weeks
Now Only!
Triplex positive replacement reciprocating piston pump. Chrome-plated brass manifolds, 304 stainless steel valve assemblies, and chrome-plated 304 stainless steel cylinders for durability. Low RPM is designed for belt drive. Brackets not included!

Technical Specifications

Max PSI: 1200
Max Temperature: 160 degrees F
RPM: 1070
Bore: 18 millimeter
Stroke: 19.5 millimeter
Shaft Diameter: 16.5 millimeter
Inlet Port: 1/2 inch
Crankcase Capacity: 21 ounce
Max GPM: 4

Product Description

1200PSI 4 Frame CAT Piston Pump 

The Uniflow design features a mechanically actuated inlet valve providing a continuous forward fluid flow and strong suction. This is a triplex positive displacement, reciprocating, piston pump, constructed with chrome-plated brass manifolds, 304 stainless steel valve assemblies, chrome-plated 304 stainless steel cylinders and sleeves and standard Buna-N seals and o-rings.  

Dimensions: 12.56 X 8.80 X 5.33"


  • Triplex Uniflow design provides a smooth, low-pulsation flow with strong suction capabilities.
  • Hard chrome-plated 304S cylinders and sleeves provide long life with mild liquids within a range of 5-9 PH.
  • Optional 316 Stainless Steel manifolds for added strength and corrosion resistance.
  • Optional FPM and PTFE elastomers for liquid compatibility.


  • Maximum Flow: 4.0 GPM
  • Maximum Pressure: 1200 PSI
  • Maximum Temperature: 160°F
  • RPM: 1070
  • Inlet Port: 1/2" NPT(F)
  • Outlet Port: 3/8" NPT(F)

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