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KOSHIN STV-50X Semi Trash Pump

  • Self-priming hidels pump, forced air cooling 4-stroke gasoline engine

  • 3.1 kW/ 4.2 hp, delivery volume max. 580 L/min, total head max. 28m

  • Suction head max. 8m, tank capacity 3.6 L, approx 2hrs drive operation

  • 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 STV-50X is a high quality Japanese self-priming 2" pump of Koshin Ltd. for dirt water with solid particles up to 8mm. This pump is powered by specially Koshin Ltd. developed K180 gasoline engine. This development allows to offer high quality at an affordable price. The delivery volume of this Japanese pump is max. 580 L/min, or a total head up to 28m. The product has a sturdy rollover pipe frame, 2" inlet and outlet, die-cast aluminium housing, rugged four-stroke engine, low oil alert, 3.6-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)
Forced Air Cooling 4 Stroke Gasoline Engine
Max. Output
not specified
Connection Thread
Outer Pipe Thread
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