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CAT 4SP21ELR Plunger Pump - 2.1 GPM, 2000 PSI

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12.10 lbs
Usually Ships in 2 Weeks
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This direct drive pump includes an integral pressure regulator and mounts to a 56C face, 5/8" shaft motor.

Technical Specifications

RPM: 1750
Bore: 16 millimeters
Crankcase Capacity: 10.15 ounce
Inlet Port: 3/8 inch
Max Temperature: 140 degrees F
Shaft Diameter: 5/8 inch
Stroke: 8 millimeter
Max PSI: 2000
Max GPM: 2.1

Product Description

Triplex Plunger Pump

This CAT 4SP21ELR plunger pump has a brass manifold, 304 stainless steel valve assemblies, and solid ceramic plungers. It also features standard NBR (Buna-N) seals and O-rings. 

This pump mounts directly to a 56C face, 5/8" shaft motor, which eliminates the need for pulleys, belts, or gearboxes. The triplex three plunger rod design offers a smooth liquid flow. It also includes an integral pressure regulator for maintaining pressure and pump protection.

Dimensions: 7.8" x 6.7" x 5.3"

  • Compact, direct-drive for portability
  • Three plunger rod design
  • Stainless steel valves for long life and easy servicing
  • High pressure seals and solid ceramic plungers for extended seal life
  • Includes crankcase oil

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