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CAT Pumps 340B Triplex Plunger Pump with Special Brass Manifold, 4.0 GPM, 1800 PSI, 1725 RPM

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24.00 lbs
Usually Ships in 2 Weeks
Now Only!
The CAT 340 brass manifold pump is one of the most popular pumps for self-service bays! 5 Frame triplex piston pump features brass manifolds to prevent manifold washouts. Up to 4.0 GPM, at pressures up to 1800 PSI.  Please note that brackets are not included with this pump.

Technical Specifications

Bore: 20 millimeter
Crankcase Capacity: 18 ounce
Inlet Port: 1/2 inch
Max GPM: 4
Max PSI: 1800
Max Temperature: 160 degrees F
RPM: 1725
Shaft Diameter: 20 millimeter
Stroke: 10 millimeter

Product Description

Powerful High-Temp Car Wash Pump

The CAT 340B 5 Frame triplex piston pump is perfect for use in car wash bays! Triplex Uniflow design provides continuous forward liquid flow for smooth operation. Chrome-plated 304 Stainless cylinders and sleeves provide long operating life with mild liquids (5PH-9PH). Special brass manifolds prevent manifold washouts through utilizing corrosion-resistant alloy and chrome plated finish.

Dimensions: 11.73" x 10.0" x 5.24"


  • Uniflow design features mechanically actuated inlet valve for continuous forward flow and strong suction
  • Special brass manifold prevents manifold washout
  • 304SS Valve assemblies
  • Alternate crankshaft strokes offers flexibility with belt, clutch, or direct-drive installation
  • Solid shaft
  • Standard NBR seals


  • Maximum Flow: 4.0 GPM
  • Pressure Range: 100 - 1800 PSI
  • Speed: 1725 RPM 
  • Max liquid temp: 190° F 
  • Inlet port: (2) 1/2" NPTF
  • Discharge ports: (2) 3/8" NPTF

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