Cat Pumps 5CP3120CSS Triplex Pump – 4.5 GPM @ 3500 PSI, 1645 RPM, 20mm Solid Shaft w/ Sight Glass

Part Number: 5CP3120CSS
Category: Pressure Washer Pumps
Type: Cat Pumps 5CP3120CSS Triplex Plunger Pump – 4.5 GPM @ 3500 PSI, 1645 RPM, 20mm Solid Shaft (With Sight Glass)

The Cat Pumps 5CP3120CSS Triplex Pump is a professional-grade pressure washer pump built for high-output commercial and industrial cleaning systems. Producing 4.5 GPM at 3500 PSI at a smooth 1645 RPM, this pump delivers powerful cleaning performance while maintaining the low vibration, cooler operation, and long service life Cat Pumps is known for.

Product Specifications

• Model / Part Number: 5CP3120CSS

• Flow Rate: 4.5 GPM

• Max Pressure: 3500 PSI

• Speed: 1645 RPM

• Shaft: 20mm Solid

• Bore Diameter: 16mm

• Stroke: 18mm

• Pump Type: Triplex Plunger

• Feature: Integrated Oil Sight Glass

• Weight: 19.9 lbs

• Condition: New

Features & Benefits

• Triplex plunger design for smooth, efficient operation

• High-pressure output for demanding professional cleaning

• Integrated sight glass for quick oil level checks

• 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 builds

• Built with Cat Pumps’ legendary reliability and precision