Cat Pumps 7 Frame Plunger Pump With Gearbox, 4.5 GPM, 5000 PSI

Cat Pumps 7 Frame Plunger Pump With Gearbox, 4.5 GPM, 5000 PSI

This high-performance Cat 7 Frame plunger pump is built for extreme-duty applications, delivering 4.5 GPM at a powerful 5000 PSI. Engineered with a forged brass manifold, stainless steel valve assemblies, and solid ceramic plungers, it’s designed for long-lasting performance in high-pressure professional cleaning setups. The included gearbox allows for direct mounting to gas engines with a 1-1/8" horizontal shaft, making it ideal for pressure washer builds requiring maximum reliability and strength.

Whether you’re outfitting a commercial pressure washer skid or upgrading your current rig, this pump is a proven performer trusted by professionals in industrial cleaning, hydro blasting, and heavy-duty wash operations.

• Extreme-Duty Pressure: Delivers up to 5000 PSI for tackling the toughest cleaning jobs.

• Triplex Plunger Design: Ensures smooth, efficient flow with reduced pulsation and increased durability.

• Forged Brass Manifold: Provides superior strength and corrosion resistance for extended pump life.

• Solid Ceramic Plungers: Minimize wear and extend seal life in harsh environments.

• 304 Stainless Steel Valve Assemblies: Engineered for long-lasting performance and chemical resistance.

• Included Gearbox: Designed for direct-drive mounting to 1-1/8” horizontal shaft gas engines—perfect for commercial pressure washer builds.

• Standard Buna-N Seals & O-Rings: Reliable under a wide range of temperatures and conditions.

Resources Coming Soon.