Cat 310 Pump

CAT Pumps 310 Triplex Plunger Pump

The CAT Pumps 310 is one of the most trusted pressure washer pumps in the car wash industry, known for its exceptional durability, smooth operation, and long service life. Built with CAT’s proven triplex plunger design, the 310 delivers reliable performance in self-serve car wash bays, fleet washing systems, industrial cleaning equipment, and other demanding high-pressure applications.

Featuring a heavy-duty brass manifold, stainless steel valves, and solid ceramic plungers, the CAT 310 is engineered to withstand continuous-duty operation while minimizing maintenance requirements. Its low-RPM design reduces wear on internal components, helping operators achieve thousands of hours of dependable service.

The CAT 310 has become a favorite among self-serve car wash owners due to its reputation for reliability, rebuildability, and readily available replacement parts. Whether you’re replacing an existing pump or building a new pressure washing system, the CAT 310 offers proven performance and industry-leading longevity.

Features

• Heavy-duty triplex plunger pump design
• Solid ceramic plungers for extended seal life
• Forged brass manifold for maximum durability
• Stainless steel inlet and discharge valves
• Continuous-duty rated for commercial applications
• Smooth, low-vibration operation
• Fully rebuildable with readily available repair parts
• Ideal for self-serve car washes, fleet washing, and industrial cleaning systems

Specifications

• Maximum Flow Rate: 4.0 GPM
• Maximum Pressure: 3,500 PSI
• Maximum RPM: 1,725
• Inlet Ports: 1/2” NPT
• Discharge Ports: 3/8” NPT
• Manifold Material: Forged Brass
• Plunger Material: Solid Ceramic
• Crankcase Capacity: 21 oz.
• Shaft Diameter: 1” Hollow Shaft

Common Applications

• Self-Serve Car Wash Bays
• Fleet Wash Systems
• Pressure Washer Skids
• Industrial Cleaning Equipment
• Equipment Wash Stations
• Agricultural Cleaning Systems

Trusted by car wash operators across North America, the CAT Pumps 310 delivers the performance, reliability, and service life needed to keep equipment operating day after day.