Cat Pumps 66DX40GG1 Triplex Pump – 4.0 GPM @ 4000 PSI, 3400 RPM, 1" Hollow Shaft

Part Number: 66DX40GG1
Category: Pressure Washer Pumps
Type: Cat Pumps 66DX40GG1 Triplex Plunger Pump – 4.0 GPM @ 4000 PSI, 1" Hollow Shaft

The Cat Pumps 66DX40GG1 Triplex Pump is a high-performance industrial pressure washer pump engineered for gas-powered systems requiring dependable output and long service life. Delivering 4.0 GPM at 4000 PSI at 3400 RPM, this pump is ideal for professional cleaning applications such as surface cleaning, fleet washing, construction cleanup, and contractor-grade pressure washing equipment.

Product Specifications

• Model / Part Number: 66DX40GG1

• Pump Type: Triplex Plunger Pump

• Flow Rate: 4.0 GPM

• Maximum Pressure: 4000 PSI

• Speed: 3400 RPM

• Shaft: 1" Hollow

• Bore Diameter: 14 mm

• Stroke: 11.4 mm

• Weight: 26.15 lbs

• Condition: New

Features & Benefits

• Professional-grade output: 4.0 GPM @ 4000 PSI

• Triplex plunger design for smooth, efficient operation

• Built for continuous-duty industrial use

• 1" hollow shaft for direct engine mounting

• Ideal for gas-powered pressure washer systems

• Long seal life and reduced maintenance requirements

• Trusted Cat Pumps reliability and performance