Cat Pumps 5CP3120.3 Triplex Pump – 4.5 GPM @ 3500 PSI, 1645 RPM, 20mm Solid Shaft, w/ Hot Seal Kit

Part Number: 5CP3120.3
Category: Pressure Washer Pumps
Type: Cat Pumps 5CP3120.3 Triplex Plunger Pump – 4.5 GPM @ 3500 PSI, 1645 RPM, 20mm Solid Shaft (Hot Seal Kit)

The Cat Pumps 5CP3120.3 Triplex Pump delivers the same high-output performance as the standard 5CP3120, enhanced with a high-temperature (“hot”) seal kit for superior durability in hot-water and extended-duty applications. Producing 4.5 GPM at 3500 PSI at a smooth 1645 RPM, this pump provides powerful cleaning performance while maintaining cooler operation, reduced vibration, and long service life.

Product Specifications

• Model / Part Number: 5CP3120.3

• Flow Rate: 4.5 GPM

• Max Pressure: 3500 PSI

• Speed: 1645 RPM

• Shaft: 20mm Solid

• Bore Diameter: 16mm

• Stroke: 18mm

• Pump Type: Triplex Plunger

• Seal Package: High-Temperature (Hot Seals)

• Weight: 19.9 lbs

• Condition: New

Features & Benefits

• Triplex plunger design for smooth, efficient operation

• High-temperature seal kit for hot-water and extended-duty use

• High-pressure output for demanding professional cleaning

• Low-RPM performance reduces heat, vibration, and wear

• Compatible with belt, clutch, and coupling drive systems

• Consistent flow with reduced pulsation

• Ideal for commercial and industrial pressure washer systems

• Built with Cat Pumps’ legendary reliability and precision