CAT 3520 Plunger Pump – 23 GPM, 2000 PSI, 800 RPM

Model: 3520
Category: Pressure Washer Pumps → Triplex Plunger Pumps
Type: CAT 3520 Plunger Pump – 23 GPM, 2000 PSI, 800 RPM, Belt Drive

The CAT Pumps 3520 Plunger Pump is a heavy-duty triplex positive displacement reciprocating plunger pump built for demanding industrial high-pressure systems. Designed with a forged brass manifold, 304 stainless steel valve assemblies, solid ceramic plungers, and standard NBR (Buna-N) seals and O-rings, this pump is engineered for dependable high-flow performance, low pulsation, and long service life in commercial and industrial environments.

Key Features

• Genuine OEM CAT Pumps 3520 triplex plunger pump

• Delivers 23 GPM at 2000 PSI

• Operates at 800 RPM

• Designed for belt-drive applications

• Heavy-duty forged brass manifold

• 304 stainless steel valve assemblies

• Solid ceramic plungers for long wear life

• Standard NBR (Buna-N) seals and O-rings

• Triplex design for dependable high-flow, low-pulsation performance

• Ideal for industrial multi-gun and multi-nozzle pressure systems

Technical Specifications

Product Name: Triplex Plunger Pump
Manufacturer: CAT Pumps
Part Number: 3520

Flow Rate: 23 GPM
Maximum Pressure: 2000 PSI
RPM: 800
Drive Type: Belt Drive
Inlet Port Size: 1.5"
Discharge Port Size: 1"
Material: Brass (BB)
Plumbing Type: Not Included
Condition: New

Construction Details

• Forged brass manifold

• 304 stainless steel valve assemblies

• 35PFR solid ceramic plungers

• Standard NBR (Buna-N) seals and O-rings

Typical Applications

• Industrial multi-gun pressure systems

• Multi-nozzle washdown systems

• Vehicle cleaning and car wash bays

• Commercial mobile wash systems

• Manufacturing and processing industries

• Food processing and mining applications

• Portable hot water pressure washing systems