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Dewatering Pumps

The terms Dewatering Pumps and Utility Pump are often used interchangeably by contractors and pump retailers. While any pump is technically dewatering, in that they are moving water from one location to another, within the industry, the term typically applies to certain applications.

Dewatering pumps tend to be used in temporary situations such as flooding or removing water from a construction site. Since most utility or dewatering pumps are intended to run for short amounts of time until the water is removed, and then turned off manually, they tend to not have automatic shutoff switches. However, we do have some submersible utility pumps with float switches.

Dewatering Pump Power sources

The power for the dewatering pumps can be supplied by gas, diesel or electric motors.

The horse power for dewatering pumps ranges from 1/6HP to 30HP. Our dewatering pumps are typically powered by Honda, Briggs, or Yanmar engines. Depending on the configuration, some engines have an electronic start.

Dewatering Pump Output Size

Dewatering pumps come in 1-1/2", 2" and 3" outlets. PumpBiz also provides hoses and quick release couplings for utility/dewatering pumps.


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  1. Koshin KTd-150 6"  diesel Engine Driven Trash Pump

    Koshin Pumps

    6" Diesel Engine Driven Trash Pump


    14% Off Special Price $19,813.00 Regular Price $23,075.00

    Diesel powered 6" trash pump.

    Koshin 6" Electric start engine driven pump is designed for applications requiring high volume flow and solid / debris handling capabilities. Solids Handling to 3" Diameter. Pump is constructed of heavy duty sand cas...

    Diesel 6" trash pump Electric start Learn More
  2. Barmesa

    2HP Submersible Dewatering pump



    Submersible Sand Trash Dewatering Pump Manual Submersible Dewatering Pump. Handles algae and other debris up to 3/8″ x 1″ in size.

    • BEARINGS - Ball, single row, permanently oil lubricated for 60,000 hours of work. Designed for radial and axial l...
    2HP 230v/3 Learn More
  3. PumpBiz - PP32 Jr1 String trimmer metal Pump 1" attachment


    Trimmer PortaPump Jr ™ 1" Pump Attachment

    PP32 Jr1 String trimmer Pump

    25% Off Special Price $119.00 Regular Price $159.00

    PortaPump Jr1 ™ String Trimmer 1" pump attachment, heavy duty Aluminum construction. Pump water with your split shaft string trimmer. Trimmer brush cutter water pump attachment. Patented.

    • Less expensive and more user-friendl...
    900GPH 1" Fits: STIHL ECHO & others Learn More
  4. AMT Pumps

    Trash Pump 3" Kit



    Trash Pump 3" kit.

    3" Aluminum trash pump with cast iron impeller and wearplate in kit form for customer mounting to gas engine with 5/8"-16 threaded shaft. Viton seals for AG chemicals. Picture shows the Pedestal mounted model for ref. only. Mad...

    Pump Kit 5/8" shaft Learn More
  5. Gas Submersible Trash pump flexible shaft drive

    FlexPump Trash Pump

    Flexible Shaft Submersible Trash pump


    19% Off Special Price $1,699.00 Regular Price $2,099.00

    Submersible Flexible Shaft Trash pump engine powered, Predator. Flex-Pump is a submersible gas powered dewatering pump without electricity. Customers who are used it are so impressed they are calling it a "Muddy Miracle". Features:

    • Predator 212...
    Flex shaft pump Predator 6.5HP Learn More
  6. AMT Pumps

    Self Priming Cast Iron Pump


    25% Off Special Price $708.75 Regular Price $945.00

    2HP Self-priming Cast Iron pump

    for circulating liquid transfer and dewatering applications. This line of AMT Self-Priming Centrifugal pumps is designed for industrial and commercial applications requiring high volume liquid transfer, waste water...

    2HP 1 phase Learn More
  7. AMT Pumps

    Self Priming Centrifugal Pump


    20% Off Special Price $672.00 Regular Price $840.00

    1.5HP Self Priming Chemical Pump 115v /230v

    1.5" Self-priming centrifugal pump for circulating, liquid transfer and dewatering applications. This line of AMT Self-Priming Centrifugal pumps is designed for industrial and commercial applications re...

    1.5HP 115/230v Learn More
  8. AMT Pumps

    2" Portable Gas Driven Utility Pump


    25% Off Special Price $501.75 Regular Price $669.00
    2"Portable 4HP Gas Driven Utility Pump. Honda Powered GX120 4HP engine Made in America Pump. Cast iron Utility pump 9600GPH for use in construction, irrigation, fire fighting & general dewatering, & herbicides. Includes built-in check valve. Se...
    Honda GX120 Made in USA Learn More
  9. Koshin Pumps - SU-80L

    Koshin Pumps

    Water Pump 3 inch Belt drive

    SU-80L Dewatering Pump

    30% Off Special Price $167.30 Regular Price $239.00

    Water Pump 3 inch, Koshin Pump with bearing frame for long coupling or belt drive. All aluminum die cast pump housing, with CI impeller and volute for lightweight and portability along with long life internal parts. These self priming pumps are go...

    3" 14,280GPH Learn More
  10. Pacer



    Pacer Pump Self-Priming, salt brine. Centrifugal Horizontal Mechanical Sealed Pump (Self-Priming) Pacer series with gasoline engine. Great pump for removing water from basements, ditches, swimming pools or anywhere a large volume of water needs...
    4HP 2" Learn More
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