MAX640 Self-Priming Centrifugal Pumps | DAE Pumps

MAX640 Self-Priming Pump – 4″ / 1320 GPM

DAE Pumps MAX640 Self-Priming Pump is an industrial centrifugal self-priming pump with a 6-inch intake and a 4-inch discharge, that provides a flow rate of up to 1320 GPM at 190 PSI. The non-clogging MAX640 is capable of automatically priming to 26-feet of suction lift from dry and can pass solids up to 1.4-inches. Automatic or manual starting/stopping available through the integrally mounted control panel or with optional wireless remote control. The DAE Pumps MAX640 is available on standard skids or a portable self-priming pump trailer.

The high discharge pressure, dry-running, and portability of the DAE Pumps MAX640 makes this self-priming pump a preferred choice for a construction site, mining, industrial, marine, wastewater, and sewage, and many other industry applications.  The all cast iron construction (or optional stainless steel construction), with cast steel impeller, make the pumps extremely durable. The MAX640 self-priming centrifugal pump is available today!

The MAX640 is part of the MAX-Series Self-Priming Pumps, which offer a variety of sizes, flow rates, speeds, and more to match your needs.

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MAX640 Self-Priming Pump


  • Automatic self-priming systems​
  • 1320 GPM (300 m³/h)
  • 190 PSI (133 m)
  • Priming to 26’ (8 m) of suction lift
  • Passing 1.4” (35 mm) solids
  • Diesel or electric motor (John Deere engine)
  • Skid or trailer mounted
  • Simple maintenance limited to checking fluid levels and filters
  • Liquid bath mechanical seal for dry-running and reduced maintenance costs
  • Abrasion-resistant silicon carbide seal faces for trouble-free performance​
DAE Pumps MAX-Series Self-Priming Pump Agriculture


Intake Size: 6″ (152 mm)
Discharge Size: 4″ (101 mm)
Max Capacity: 1320 GPM (300 m³/h)
Solids Handling: 1.4” (35 mm)
Max Head: 400’ (122m)
Impeller Diameter: 14.5″ (368 mm)
Max Pressure: 190 PSI (133 m)
Max Operating Speed: 2400 RPM
Max Operating Temp: 176° F (80° C)



Get turnkey solutions that include dredge hoses, slurry flow meters, power units, and more. Choose from multiple sizes of slurry hoses for the transferring of materials, wireless flow meters for measuring the flow rate in gallons per minute of liquid, and power units for operation. Parts are always in stock and available for immediate shipping to anywhere in the US and the world. 

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MAX640 Self-Priming Pump