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CAT Pumps 4DX20ER Direct Drive Plunger Pump - 2 GPM, 2000 PSI, 3450 RPM, 3/8 Inch NPTF X 3/8 Inch NPTM

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10.70 lbs
Usually Ships in 2 Weeks
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This pump is powered by a 56C electric motor. Includes an integral unloader. Handles a maximum pressure of 2000 PSI.

Technical Specifications

Max GPM: 2
Max PSI: 2000
RPM: 3450
Bore: 16 millimeter
Crankcase Capacity: 8.5 ounce
Inlet Port: 3/8 inch
Max Temperature: 140 degrees F
Stroke: 4 millimeter

Product Description

Electric 56C Motor Powered Pump

CAT Pumps 4DX20ER is a direct drive plunger pump with a 5/8" hollow shaft designed to accept a standard 56C face electric motor. This model features an integral regulator which controls the pressure protecting the pump and the equipment in your system from damage. Valves are made with a stacked design and constructed with stainless steel for corrosion resistance and strength. Engineers designed these valves to be easy to service so you can get your pump back up and running quickly. It produces a maximum flow rate of 2.0 GPM.

  • Flow: 2.0 GPM
  • Pump RPM: 3450 RPM
  • Stroke: 0.157" (4.0 mm)
  • Maximum Discharge Pressure: 2000 PSI
  • Inlet Pressure Range: Flooded to 60 PSI Flooded to 4.1 BAR
  • Bore: 0.630" (16 mm)
  • Maximum Liquid Temperature (NBR): 140° F (60° C)
  • Crankcase Capacity: 8.5 oz 0.25 l
  • Inlet Port: 3/8" NPT(F)
  • Accessory Port: 1/4" NPT(F)
  • Discharge Ports 3/8" NPT(M)
  • Shaft Diameter (Hollow): 5⁄8" (15.8 mm)
  • Weight: 10.7 lbs.
  • Dimensions (ER versions): 7.17" x 7.72" x 6.22"
  • Fits standard 56C face electric motors.
  • Stacked stainless steel valve design promotes long-life and easy servicing.
  • Integral pressure regulator with built-in bypass ensures system pressure control and pump protection.
  • Pump comes standard with NBR seals.

Product Reviews

Frequently Asked Questions

Question:I am looking for the valve rebuild kit part number, the exploded view has it as a 76978 but I cant find that anywhere. Is there a new part number I should be looking for? - James (09/17/2020)
Response:Our part number is PU76978. This item is not on our website. You can order by contacting our sales department 800-233-3873.
Question:what would the rebuild kit be for this pump - James (09/15/2020)
Response:The seal kit would be part number PU33053. Below is the link….