The KOSHIN SERH-50B is a professional-grade, high-pressure petrol-driven water pump engineered for demanding irrigation, sprinkler systems, firefighting, agricultural and industrial dewatering tasks. Built with a durable die-cast aluminum housing and rugged cast-iron impeller/volute construction, the SERH-50B delivers reliable performance, long service life and portable operation for contractors and farmers alike.

• Engine: Honda GX160, 163 cc four-stroke petrol engine providing dependable starting and stable RPM for continuous operation.
• Flow Capacity: Up to 116 GPM (440 L/min) for efficient water transfer over long distances.
• Max Head / Pressure: Maximum discharge head approx. 57 m (187 ft) — ideal for high-lift irrigation and firefighting applications.
• Connections: 2" (50 mm) suction and discharge with BSP or NPT thread options; self-priming capability with max suction lift ~8 m (26 ft).
• Construction & Portability: Die-cast aluminum pump housing, cast-iron rotating parts, mounted on a compact metal frame for transport and site durability.
• Accessories & Features: Recoil start, oil alert protection, standard strainer, hose clamps and coupling sets included depending on reseller kit.

Use the SERH-50B where high-pressure performance and self-priming reliability matter: sprinkler irrigation, pumping from wells or ponds, emergency firefighting, construction dewatering and municipal supply.

Model verification: SERH-50B is commonly listed under manufacturer catalogs and reseller part code MPN/SKU 050-042 — suitable for professional users seeking a rugged, high-head petrol pump with proven Honda engine reliability.