Only 2 items - limited number of items in stock!

KOSHIN STH-50X (SEH-50T) Semi Trash Pump

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

  • 2.1 kW/ 2.9 hp, delivery volume max. 600 L/min, total head max. 29m, suction head max. 8m

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

  • For dirty water applications with solid particles up to 8mm

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


The STH-50X is a high quality Japanese 2" pump of Koshin Ltd. for dirt water with solid particles up to 8mm. This centrifugal pump is protected by a sturdy rollover frame. STH-50X is equipped with a Honda GX120 engine. The delivery volume of this Japanese pump is max. 600 L/min, or a total head up to 29m. The product features 2" inlet and outlet, aluminium die-cast housing, rugged four-stroke engine, low oil alert, 2.5-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)
Honda GX120
Forced Air Cooling 4 Stroke Gasoline Engine
Max. Output
2.6 kW (3.5 PS) / 3600 rpm
Connection Thread
Outer Pipe Thread
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