Cat Pumps - 5CP Plunger Pump

Industrial Duty, Long Lasting, Dependable Pumps
This triplex (three plunger rods) positive displacement, reciprocating plunger pump is constructed with a brass manifold, 304 stainless steel valve assemblies, solid ceramic plungers and standard NBR (Buna-N) seals and O-rings.
Technical Specifications
Max Flow 4.5 gpm / 17 lpm
Max Pressure 3500
Inlet Port Size 1/2" NPT(F)
Discharge Port Size 3/8" NPT(F)
RPM 1645
Drive Type(s) Belt, Clutch, Flexible Coupling and Bellhousing
Material Brass

4.5 GPM CAT Pump with High Temperature Seals

This CAT 5CP3120.3000 5CP Series pump features a chrome-plated forged brass manifold with 304 stainless steel valve assemblies and solid ceramic plungers. Compact footprint for direct-drive or belt drive use. High-temp seals provide greater temperature resistance for use in hot-water applications.

Dimensions: 10.89" x 10.0" x 5.78"


  • Triplex design with three plunger rods
  • Includes side bubble gauge
  • Mounts to gas engine with gearbox
  • Chrome-plated forged brass manifold
  • Solid shaft
  • High temperature seals


  • Maximum Flow: 4.5 GPM
  • Maximum Pressure: 3500 PSI
  • Maximum Temperature: 180°F
  • Pump Speed: 1645 RPM
  • Inlet Port: (2) 1/2" NPT(F)
  • Discharge Port: (2) 3/8" NPT(F)
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