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CAT Pumps 5CP3120P Pressure Washer Pump Package – 5CP3120 w/ VRT3-310EZ, Bypass & Thermal Relief

Original price $847.00 - Original price $847.00
Original price
$847.00
$847.00 - $847.00
Current price $847.00

Part Number: 5CP3120P Package (5CP3120-VRT3-310EZ)
Category: Pressure Washer Pumps → Pump Packages → Industrial Triplex Pump Assemblies
Type: CAT Pumps 5CP3120P Pressure Washer Pump Package


The CAT Pumps 5CP3120P Pressure Washer Pump Package is a premium industrial-grade pressure washer pump assembly built around the legendary CAT Pumps 5CP3120 triplex plunger pump. Designed for professional contractors, fleet washing operations, industrial cleaning systems, manufacturing facilities, agricultural maintenance, and pressure washing equipment manufacturers, this package combines CAT Pumps' industry-leading durability with a fully configured installation-ready setup.


Key Features & Benefits

  • Genuine CAT Pumps 5CP3120P Pressure Washer Pump Package
  • Built around the CAT Pumps 5CP3120 triplex pump
  • Approximately 5.0 GPM
  • Approximately 3500 PSI
  • Includes VRT3-310EZ pressure regulating bypass unloader
  • Includes thermal relief valve
  • Industrial-duty triplex plunger design
  • Solid ceramic plungers
  • Heavy-duty brass manifold
  • Continuous-duty rated construction
  • Ready-to-install pump package
  • Industry-leading CAT Pumps reliability
  • Designed for demanding commercial and industrial applications

Package Components

Included Pump

CAT Pumps 5CP3120 Triplex Plunger Pump

  • Triplex plunger design
  • Solid ceramic plungers
  • Heavy-duty brass manifold
  • Premium seal system
  • Industrial-duty construction
  • Continuous-duty operation

Included Unloader

VRT3-310EZ Pressure Regulating Bypass Unloader

  • Adjustable pressure control
  • Integrated bypass operation
  • Protects pump components during operation
  • Designed for professional pressure washer systems

Included Protection Component

Thermal Relief Valve

  • Helps prevent excessive heat buildup
  • Protects seals and internal pump components
  • Improves overall system longevity

Technical Specifications

Manufacturer: CAT Pumps

Package Model: 5CP3120P

Pump Model: 5CP3120

Unloader Model: VRT3-310EZ

Pump Type: Triplex Plunger Pump

Maximum Flow Rate: 5.0 GPM

Maximum Pressure: 3500 PSI

Pump Construction: Ceramic Plungers / Brass Manifold

Drive Type: Belt Drive or Gear Drive Compatible

Included Unloader: Yes

Included Thermal Relief Valve: Yes

Application: Commercial & Industrial Pressure Washing


Typical Applications

  • Commercial pressure washer systems
  • Fleet washing operations
  • Heavy equipment cleaning
  • Industrial maintenance cleaning
  • Manufacturing facility wash-down
  • Agricultural equipment cleaning
  • Pressure washing trailers
  • Custom pressure washer skids
  • Hot water pressure washers
  • Cold water pressure washers
  • Municipal maintenance operations
  • Continuous-duty wash systems

Performance Advantages

  • Delivers approximately 5.0 GPM at 3500 PSI for professional cleaning performance
  • Complete package simplifies installation and component sourcing
  • CAT Pumps triplex design provides exceptionally smooth operation and low pulsation
  • Ceramic plungers offer outstanding wear resistance and long seal life
  • Brass manifold provides superior durability and corrosion resistance
  • Included VRT3-310EZ unloader allows precise pressure regulation and bypass protection
  • Thermal relief valve helps prevent overheating during extended bypass operation
  • Designed for continuous-duty industrial and commercial use
  • Widely regarded as one of the most reliable pump platforms in the pressure washing industry
  • Built to CAT Pumps' premium engineering standards for maximum longevity and uptime

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