CAT 237 Plunger Pump – 2.3 GPM, 1500 PSI

Model: 237
Category: Pressure Washer Pumps → Triplex Plunger Pumps
Type: CAT 237 Plunger Pump – 2.3 GPM, 1500 PSI, 1725 RPM, 16.5mm Shaft

The CAT Pumps 237 Plunger Pump is a compact triplex positive displacement reciprocating plunger pump built for dependable performance in commercial, industrial, and specialty liquid applications. Constructed with a Nickel Aluminum Bronze manifold, 316 stainless steel valve assemblies, solid ceramic plungers, and standard NBR (Buna-N) seals and O-rings, this pump is designed for durability, corrosion resistance, and smooth low-pulsation operation.

Key Features

• Genuine OEM CAT Pumps 237 triplex plunger pump

• Delivers 2.3 GPM at 1500 PSI

• Operates at 1725 RPM

• Nickel Aluminum Bronze manifold for durability and corrosion resistance

• 316 stainless steel valve assemblies

• Solid ceramic plungers for long wear life

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

• Triplex design for high efficiency and low pulsation

• Suitable for close-coupled or direct-drive installations

• Designed for sea water, chemical, and specialty liquid applications

Technical Specifications

Product Name: Triplex Plunger Pump
Manufacturer: CAT Pumps
Part Number: 237

Flow Rate: 2.3 GPM
Maximum Pressure: 1500 PSI
RPM: 1725
Shaft Size: 16.5 mm
Bore Diameter: 18 mm
Stroke: 7.3 mm
Weight: 13.4 lbs.
Condition: New

Construction Details

• Nickel Aluminum Bronze manifold

• 316 stainless steel valve assemblies

• Solid ceramic plungers

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

Design Advantages

• Triplex design offers high efficiency and low pulsation

• Suitable for handling high-salinity sea water and certain chemical applications

• 316 stainless steel construction helps improve corrosion resistance with aggressive liquids

• 1725 RPM allows for compact close-coupled installation

• Compatible with bell housing and flexible coupling assemblies

• Can be used with NEMA or IEC electric motors or SAE hydraulic options

• Alternative seal materials may be available for higher temperature or chemical compatibility

Typical Applications

• Commercial and industrial pressure washer systems

• Sea water and high-salinity liquid pumping

• Chemical and specialty fluid transfer systems

• Compact direct-drive or close-coupled pump assemblies

• Applications requiring a 2.3 GPM 1500 PSI triplex plunger pump