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Submersible Dewatering Pump Heavy Duty

115/230v 7200GPH 3" 2HP
Model Number
Koshin PB-68011 Submersible Dewatering Pump Heavy Duty

Koshin PB-68011

3" Heavy duty submersible dewatering pump, Ponstar. Electric pump for dirty water in ditches. Often found in rental shops, contractor fleets.

FREE 50 feet of discharge hose with order upon request.

Industrial Grade Pump, Equipped With a Centrifugal Switch Providing 4x the Starting torque, and Can be cycled more often, pre-wired for 110v, easily change to 220v with removal of a few bolts Perfect for Industrial, Construction, Fountains, Ponds, Pools, Irrigation, Agriculture, and Flood Prevention


  • Impeller and casing are manufactured from a blended rubber compound providing maximum wear resistance, up to three times over cast iron.
  • Water is channeled through the outer wall to cool the motor for maximum endurance.
  • It is compact, light-weight, easy to carry and handle.
  • Double mechanical seals run in an "oil" filled chamber of liquid paraffin to prevent damage from periods of dry running.
  • Liquid paraffin is used in the shaft seal, therefore water will not be contaminated even in the case of oil leakage.
  • The cord is of uni-body construction ensuring excellent water tightness. Includes heavy duty mechanical strain relief bracket.
  • The built-in thermal protector turns off the power supply in case of overload operation thus protecting the motor. Applications
  • Construction site, excavations, well casings and general dewatering.
  • Utilities, manhole and vault draining, loading docks.
  • Residential, draining of basements, crawl spaces and swimming pools.

Motor can be field changed between 115v and 230v 1 phase

More Information
Model Number PB-68011
Series Submersible Dewatering Pumps Heavy duty
Max Flow (GPM.) 121
Max Flow GPH 7260
TDH Maximum (Ft) 61
Horse Power (HP) 2
Horsepower (IE .5, 1, 1.5, 20) 2.0000
Watts 1500.000000
Outlet Connection Type MNPT
Outlet (In.) 3
Wetted Materials Aluminum
Elastomers / O-ring Buna-Nitrile
Voltage (V) 115/230
Voltage (Range) 110-120/220-240
Phase (Ø) Single (1)
Motor Frequency 60
Motor Hermetically Sealed
Speed (RPM.) 1725
Self Priming No
Max Operating Temperature (F) 104
Viscosity Milk 3.20 cp 40.00 ssu
Stages 1
Shaft 304SS
Length (In.) 25.000000
Mechanical Seal Yes
Mechanical Seal Face SiC
Mechanical Seal Type Double
Motor Bearings Ball
Other 9-1/2" diameter. Pump itself only weighs 60LBS. Motor is thermally protected. Contact PumpBiz for level switches, starter boxes and other options.
Min. Generator capacity 6000 to 8400 watts.
Impeller Material Hard rubber, semi-open
Cord Size 3-Dec
Cord Length (Ft.) 40
Duty Continuous
Drain Yes
Port Rotation Yes
Country of Manufacture Japan
Weight (Lbs) 80.000000
UPC 4971770430846
Warranty (YRS.) 3
GPM Of Water At 20 Feet Of Head 375
GPM Of Water At 30 Feet Of Head 325
GPM Of Water At 40 Feet Of Head 250
GPM Of Water At 50 Feet Of Head 160
GPM Of Water At 60 Feet Of Head 50

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.