CAT Pump 67DX39G1I

CAT Pumps high-pressure plunger pumps are recognized in the industry as the longest-lasting, most reliable pumps available. This series is useful for a wide variety of pressure washing applications. Hollow-shafted 67DX Series pumps bolt directly to a gas engine with a 1" straight horizontal shaft, providing an easy, compact installation.

This triplex reciprocating pump functions with positive displacement. The CAT pump 67DX39G1I plunger pump is constructed with a brass manifold, 304SS valve assemblies, solid ceramic plungers and standard NBR (Buna-N) seals and O-rings. The pump is designed to bolt directly to a c-face electric motor.

Plunger Pump Features:

• Triplex plunger design provides a smooth liquid flow.
• Special concentric, high-density, polished, solid ceramic plungers provide a true wear surface and extended seal life.
• Built-in flange mount for easy, direct mounting to most gas engines. Eliminates the need for pulleys, belts, gearboxes.
• Integral Regulating Unloader with built-in by-pass is standard for safety and pressure setting.
• Stacked stainless steel valve design for long life and easy servicing.
• Fixed Chemical Injector is standard and mounts directly onto Unloader to provide cleaning flexibility.
• Please note that this pump does NOT come with oil - find authentic CAT Pumps Oil here.

How Long do CAT Water Pumps Last?

CAT water pumps are widely known for their durability and long service life, which is why they are a popular choice among professionals. Since these pumps are constructed using high-quality materials like brass manifolds and solid ceramic plungers, they are designed to withstand rigorous use over extended periods. In most commercial settings, with proper maintenance and regular oil changes, CAT pumps can last thousands of hours before requiring significant servicing or replacement. Moreover, the simple yet robust engineering of the triplex plunger system helps reduce wear on critical components, further extending the pump’s lifespan.

Plunger Pump Specifications:

• Max Flow: 3.9 GPM
• Max Pressure: 4000 PSI
• Inlet Port Size: 1/2" NPT(F)
• Discharge Port Size: 3/8" NPT(M)
• RPM: 3450
• Drive Type: Direct
• Material: Brass
• Oil Capacity: 12 ounces or .35 liters

Can I put a Different Pump on My Pressure Washer?

Yes, you can often put a different pump on your pressure washer, although it is important to ensure the replacement is compatible with your machine’s engine or motor. Since pumps come with various mountings, shaft sizes, and operating pressures, you need to match these specifications with those of your current pressure washer. Moreover, always check the inlet and discharge port sizes to avoid incompatible fittings. While choosing a pump with higher pressure or flow might seem like an upgrade, it may put excess strain on your power source or other components. Therefore, consult your equipment manual or manufacturer before selecting an alternative pump to ensure safe operation and lasting reliability.

Difference Between the 66DX and 67DX Pumps?

The CAT 66DX and 67DX pump models share many core design features, such as their triplex plunger construction and brass manifolds, but they differ primarily in flow rate and pressure capabilities. The 66DX model is typically rated for a lower maximum flow and operating pressure compared to the 67DX, which boasts a higher flow of up to 3.9 GPM and a pressure limit of 4000 PSI. Moreover, the 67DX is often favored for more demanding pressure washing applications that require extended durability and increased performance.

67DX39G1I Rebuild Kit:

• 76188- This rebuild kit for the 67DX39G1I includes an S Seat, NBR O-Ring, Check Valve, BB Valve, and more