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Koshin Pumps

Koshin pumps are the standard and known world wide in the contractor, rental, and portable pump markets as the brand to use. Most portable water pumps by Koshin feature Honda gas engines. Need replacement Parts or repair kits for your Koshin pump, we have them with many available on our web site.

All pumps can be provided in dual fuel system, gas and Propane LPG. Propane offers less expensive fuel, cleaner, safer and long lasting.

Koshin Trash Pumps

Koshin Trash Pumps powerfully handle solids ranging from 1.5 inches to 6 inches and the semi-trash pumps handling solids from 1.5 inches to 3 inches. Each trash pumps is designed for different sized debris, so check the specifications to ensure the pump is appropriate for your application. If you are not sure, give us a call and we will assist you in selecting the right trash pump. 3 YEAR Warranty!

Koshin High-Pressure Pumps

High pressure pumps are not a one size fits all pump category. Koshin High Pressure pumps come in gas and propane powered engines, with specifications designed for fire pumps, irrigation pumps, roofer pumps and more. 3 YEAR Warranty! 

Koshin Electric Submersible Pumps

The Koshin Submersible pumps are a heavy duty lineup of contractor pumps designed for dirty water pumping. These workhorses are ideal for contractors who need a submersible dewatering solution in a variety of conditions. 3 YEAR Warranty!

Koshin Pump Parts

As an authorized Koshin Pump dealer, you can order the full line of Koshin Parts from PumpBiz. If you are not sure of the correct part of kit, give us a call and we will make sure you get the right parts.


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  1. Koshin Pumps

    1HP Submersible Trash Pump



    1HP Submersible Trash Pump

    2" Rugged industrial submersible trash pumps with solids handling capacity of 0.4 inches. PKJR features a solid rubber base for added protection, double mechanical seals, and thermal overload protection to prevent burno...

    1HP 115v 2" Learn More
  2. Koshin Pumps

    Submersible Dewatering Pump contractor



    2" 1HP Contractor Heavy duty submersible dewatering pump. Electric pump for dirty water in ditches, swimming pools. Often found in rental shops, contractor fleets. Pumps up to 88GPM ( 5280GPH ). Maximum head to 54Ft....see performance chart. Indus...

    115/110v 5420GPH 2" 1HP Learn More
  3. Koshin Pumps

    Honda Water Pump 1 inch 30GPM



    Honda engine Water Pump 1 inch. All aluminum die cast pump housing, impeller and volute for lightweight and portability. Metal Carry handle and base. Honda GX25 4-cycle engine. 4-Cycle engine so NO mixing gas. Use standard automotive gasoline. Lig...

    4-Cycle 1HP 1800GPH Learn More
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