Cat Pumps 3CP1120 Triplex Pump – 4.2 GPM @ 2200 PSI, 1725 RPM, 16.5mm Solid Shaft

Part Number: 3CP1120
Category: Pressure Washer Pumps
Type: Cat Pumps 3CP1120 Triplex Plunger Pump – 4.2 GPM @ 2200 PSI, 1725 RPM, 16.5mm Solid Shaft

The Cat Pumps 3CP1120 Triplex Pump is a high-flow, low-speed pressure washer pump designed for dependable performance in electric-drive and belt-drive systems. Delivering 4.2 GPM at 2200 PSI at a smooth 1725 RPM, this model provides excellent cleaning power while minimizing heat buildup, vibration, and component wear—making it ideal for light commercial and professional-duty applications.

Product Specifications

• Model / Part Number: 3CP1120

• Flow Rate: 4.2 GPM

• Max Pressure: 2200 PSI

• Speed: 1725 RPM

• Shaft: 16.5mm Solid

• Bore Diameter: 18mm

• Stroke: 12.7mm

• Pump Type: Triplex Plunger

• Weight: 14.84 lbs

• Condition: New

Features & Benefits

• Triplex plunger design for smooth, efficient operation

• Higher flow output for improved cleaning performance

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

• Ideal for electric motor and belt-drive systems

• Compact and lightweight for easy installation

• Consistent pressure and flow for professional results

• Built with Cat Pumps’ legendary reliability and precision