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3" Honda Mud Pump

3" Honda GX120
Model Number
KDP-80X
$2,612.50
Koshin Pumps - KDP-80X: 3" Honda Mud Pump

Koshin 3" Mud Diaphragm pumps 

features 2-stage, 44 to 1 gear reduction with a large diameter output gear and heavy duty ball bearing construction. Often referred to as Mud pumps or Sludge pumps, diaphragm pumps are designed to pump mud, slurry, sewage, and thick liquids that have the ability to flow. Koshin Diaphragm pump Honda GX120 OHV gasoline engines. Built-in molded polyurethane flapper/check valve assures self-priming to 20 feet after initial prime. Each unit includes a 3" NPT steel suction strainer, two 3" NPT nipples, and wheel kit with 10" semi-pneumatic transport wheels for portability. Pumps are designed for use with non-flammable liquids which are compatible with pump component materials. Suction and discharge port size cannot be reduced.

  • Sand Cast Aluminum Construction for Portability and Durability
  • Thermoplastic Rubber Diaphragm
  • 3" NPT Suction and Discharge
  • 1 5/8" Diameter Solids Handling Capability
  • Modular Component Design Permits Easy Maintenance and Cleanout
  • Hard hoses recommended
  • Delivers up to 90 GPM
  • Maximum Temperature 180F

As a alternate in a centrifugal pump design see

P212GH

 Suction and discharge port size cannot be reduced. Due to positive pumping action of diaphragm pumps, by all mfr's, the discharge is recommended to only be 25FT long unless oversized. Discharge can not be restricted. There is no relief valve.

For Ch&E Magnum MCP5537-6537 3” Gas Engine Powered Diaphragm Pumps, call for parts.

More Information
Model Number KDP-80X
Series Trash Pumps Honda Gas by Koshin
Max Flow (GPM.) 88
Max Flow GPH 5280
TDH Maximum (Ft) 25
TDH Maximum (PSI) 11
Horse Power (HP) 4
Horsepower (IE .5, 1, 1.5, 20) 4
Inlet Connection Type FNPT
Inlet (In.) 3
Outlet Connection Type FNPT
Outlet (In.) 3
Wetted Materials Aluminum
Elastomers / O-ring Urethane
Diaphragm Santoprene
Motor Gas Engine
Self Priming Yes
Suction Lift (FT.) 20
Max Operating Temperature (F) 180
Viscosity Catsup 3000.00 cp 20000.00 ssu
Length (In.) 42.2000
Mechanical Seal No
Other Do not use long discharge hose, see manual. Do not restrict suction or discharge
Drain No
Port Rotation Yes
Run Time (HR.) 2
Fuel Tank Size 0.66
Country of Manufacture United States
Weight (Lbs) 172.000000
Engine Brand Honda
Warranty (YRS.) 2
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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. Koshin manufactures a complete line of self priming centrifugal pumps for general transfer, high pressure and trash debris filled liquids. These pumps come in gas or diesel engine and single phase electric submersibles. Koshin is the most copied pump design coming out of China, but do not think they are the same. Use only the best, the original Koshin.

For over 70 years Koshin has continued to invest in new product testing and development. Koshin totally redesigned its production facilities in 2013 adding in house aluminum die casting, production automation, and state of the art process flow management. With a core philosophy of customer satisfaction, Koshin insures that each product off of its production line is of the finest quality. This is why we can proudly say that the performance specification found in this catalog are guaranteed minimum. This is often not the case with our competitors, who inflate actual performance values.

To further insure our valued customers that Koshin stands by our produces, we offer a 3 year limited warranty against manufactured defects. Our pumps are used and loved in 160 all over the world.

Koshin… the world’s toughest pump.