Cat Pumps 4DNX25GSI Triplex Pump – 2.5 GPM, 3000 PSI, 3400 RPM, 3/4" Gas Engine Shaft

Part Number: 4DNX25GSI
Category: Pressure Washing & High-Pressure Pump Systems
Type: Cat Pumps 4DNX25GSI Triplex Pump – 2.5 GPM @ 3000 PSI, 3400 RPM, 3/4" Gas Engine Shaft

The Cat Pumps 4DNX25GSI is a compact, high-efficiency triplex pressure washer pump designed for direct-drive gas engine applications. Delivering 2.5 GPM at 3000 PSI, this pump is ideal for portable pressure washers, contractor-grade machines, and light commercial systems where reliability, weight savings, and consistent performance are essential.

Product Specifications

• Model: 4DNX25GSI

• Type: Triplex Pressure Washer Pump

• Flow Rate: 2.5 GPM

• Max Pressure: 3000 PSI

• Operating Speed: 3450 RPM

• Shaft: 3/4" Gas Engine Shaft

• Bore Diameter: 14mm

• Stroke: 6.8mm

• Weight: 10.7 lbs

• Condition: New

Features & Benefits

• Delivers 2.5 GPM at 3000 PSI for efficient cleaning

• Triplex design for smoother operation and longer life

• 3/4" solid shaft for direct-drive gas engine mounting

• Compact and lightweight for portable washer systems

• Runs at up to 3450 RPM for high-speed applications

• More durable and serviceable than axial-style pumps

• Ideal for residential, contractor, and light commercial use

• Perfect replacement for worn direct-drive pumps