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General Pump EZ4040E34 EZ Series 44 Direct Drive Pump, 4.0 GPM, 4000 PSI, Hollow Right Shaft

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18.50 lbs
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4000 PSI Triplex Plunger Pump featuring solid ceramic plungers, ideal for general pressure cleaning and washing applications. One-piece plunger design keeps water from entering the crankcase, and new generation seal system allows for a longer life. Features standard NEMA-184TC electric mounting flange.

Technical Specifications

Max PSI: 4000
RPM: 3400
Bore: 13 millimeter
Crankcase Capacity: 14 ounce
Inlet Port: 1/2 inch
Max Temperature: 165 degrees F
Shaft Diameter: 1 1/8 inch
Stroke: 13 millimeter

Product Description

4000 PSI General Pump

The General Pump EZ4040E34 is a hollow shaft pump that offers superior plunger performance. Its one-piece plunger design keeps water from entering the crankcase and guards against thermal shock or capitation. The pump features a 24mm solid shaft that is able to be pulley-mounted, a forged brass manifold, and a die-cast anodized aluminum oil-bath crankcase with premium roller bearings.

Dimensions: 8.8" x 8.8" x 6.3"

  • Triplex Plunger Pump
  • Compact design
  • Forged brass manifold with exclusive lifetime warranty
  • Die/cast, anodized aluminum oil/bath crankcase
  • Long life, low pressure seals
  • Oversized bearings and sight glass
  • NEMA-184TC Mounting Flange


  • Max Volume: 4.0 GPM
  • Max Discharge Pressure: 4000 PSI
  • Max Pump Speed: 3400 RPM
  • Max Inlet Pressure: 125 PSI
  • Inlet Port: 1/2"-14 BSP-F
  • Outlet Port: 3/8"-19 BSP-F
  • See more under the Specifications tab

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