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Koshin Dewatering Pump 2 inch Robin

  • Model Number:

    SE-50EX

  • Product Name:
    Koshin Dewatering Pump 2 inch Robin
  • Manufacturer:
Robin Subaru 4-Cycle 4.3HP 9480GPH
Model Number
SE-50EX
10% Off Special Price $1,465.29 Regular Price $1,628.10
Koshin SE-50EX Koshin Dewatering Pump 2 inch Robin

Koshin SE-50EX

Koshin Dewatering Pump with Robin Subaru engine Water Pump 2 inch. All aluminum die cast pump housing, with CI impeller and volute for lightweight and portability. Metal Carry handle and base. Robin EX13 4-cycle engine so NO mixing gas. Use standard automotive gasoline.

Commercial / Industrial Robin Subaru powered water pump for construction and industrial dewatering. Utilities, manhole and vault draining, marine, Landscape irrigation, mobile plant watering.

Robin engine is 126cc, .71 ga. gas tank providing 2 Hrs run time.

With great experience and over 40 years of tradition KOSHIN produces the highest quality water pumps. KOSHIN brand have been ranked no 1 in the world by numerous professionals.

Robin egine Includes low oil sensor. Sturdy steel roll cage included.Subaru Industrial Engines Feature:

  • Aluminum alloy blocks with cast-iron cylinder liner
  • 2-year manufacturer warranty
  • Electronic ignition with automatic timing adjustment
  • Less noise and easy, one-pull starting every time.
  • Automatic decompression system for easy pull start
  • Patent-pending 360-degree airflow cooling design.
  • Low oil shut down
Series: Gas Dewatering Pumps
More Information
Model Number SE-50EX
Max Flow (GPM.) 158
Max Flow GPH 9480
TDH Maximum (Ft) 98
TDH Maximum (PSI) 42
Horse Power (HP) 4
Horsepower (IE .5, 1, 1.5, 20) 4.3000
Inlet Connection Type MNPT
inlet size 2in
Inlet (In.) 2
Outlet Connection Type MNPT
Outlet (In.) 2
Wetted Materials Aluminum, Cast Iron
Elastomers / O-ring Buna-Nitrile
Motor Gas Engine
Speed (RPM.) 3450
Self Priming Yes
Suction Lift (FT.) 26
Max Operating Temperature (F) 120
Viscosity Vegetable Oil 34.60 cp 200.00 ssu
Mechanical Seal Yes
Mechanical Seal Face Carbon-ceramic
Mechanical Seal Type Single
Other 19''x15''x17''
Subaru Overhead Cam Industrial Engines lead the industry in technology, offering more power, less noise and easy, one-pull starting every time. Introduced as the first air-cooled engine line to use advanced chain-driven Overhead Cam technology, the Subaru EX Series provides maximum efficiency, performance and power with minimal noise and emissions. 5-year manufacturer?s warranty.
Low Oil Shutdown Yes
Impeller Material Cast Iron, semi-open
Duty Continuous
Drain Yes
Port Rotation Yes
Run Time (HR.) 2Hrs
Fuel Tank Size 0.71G
Country of Manufacture Japan
Weight (Lbs) 53.000000
UPC 4971770123700
Warranty (YRS.) 2
GPM Of Water At 20 Feet Of Head 140
GPM Of Water At 40 Feet Of Head 105
GPM Of Water At 60 Feet Of Head 85
GPM Of Water At 70 Feet Of Head 75
GPM Of Water At 80 Feet Of Head 50
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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.