Out of stock

KOSHIN STR-50EX Semi Trash Pump

  • Self-priming hidels pump, forced air cooling 4-stroke gasoline engine from Robin (Subaru)

  • 2.2 kW/ 3 hp, delivery volume max. 580 L/min, total head max. 30m

  • Suction head max. 8m, tank capacity 2.7 L, continuous operation about 2 hrs 40th

  • Silicon carbide mechanical seal: 4-5 times more durable than standard carbon ceramic mechanical seal.

  • Spheroidal graphite iron casting (FCD) for impeller & volute provides 10 times more erosion resistant than cast iron


The STR-50EX is a high quality Japanese 2" pump for dirt water with solid particles up to 8mm. This centrifugal pump is protected by a sturdy rollover frame. STR-50EX is equipped with a Robin (Subaru) EX13 engine. The delivery volume of the Japanese pump is max. 580 L/min, or a total head up to 30m. The product features 2" inlet and outlet, aluminium die-cast housing, rugged four-stroke engine, low oil alert, 2.7-liter fuel tank, engine tool, a filter , 2 hose couplings and three hose bands.

Technical Specifications
Weight (kg)
Connection Dia (mm)
Delivery Volume (L/min)
Total Head (m)
Exhaust Volume (ccm)
Fuel Tank Capacity (L)
Robin EX13
Forced Air Cooling 4 Stroke Gasoline Engine
Max. Output
3.2 kW (4.3 PS) / 4000 rpm
Connection Thread
Outer Pipe Thread
My Cart

You have no items in your shopping cart.

  • 25.05.20
    SUPER SALE "222"!!!

    In May 2020, a sum...

  • 13.02.15
    We are pleased to welcome a new partner in our family of distributos. From n...
  • 6.11.14
    We are pleased to welcome you on 18-20 November 2014 on the world's largest ...