Applications:
– Irrigation with sprinkler systems
– Fire fighting
– Move large quantity over long distances
– Rice field irrigation
• Gardening / orchard cultivation
– Pump water from well
• Filling water reservoirs
• Filling or draining water from ponds
• Filling or draining water from fish farms
– Washing livestock, barns or farm equipment
– Process water with solid particles up to 3 mm
The Koshin SERH-50V high-pressure petrol engine pump with a delivery head of 80 metres is used to fight fires and supply clean water over long distances. It is equipped with a compact, fuel-efficient Honda GX160 Hi-Revolution engine. It is capable of pumping water from a depth of 8 metres. The machine’s mechanism is housed in a robust frame construction to protect it from damage.
Features:
- Economical Honda GX160 Hi-Revolution engine;
- The tubular steel frame protects the motor from damage and makes the Koshin SERH-50V easy to transport;
- Strong suction power;
- Wide fuel tank neck;
- Low noise level;
- 3.1-litre fuel tank for continuous operation without refilling;
- Housing made of sturdy and lightweight cast aluminium;
- High-performance mechanical seal made of special carbon ceramic for a long service life;
- Use of the latest technology and wear-resistant materials developed in Japan;
- Long service life without loss of performance;
- Simple and easy commissioning without pre-filling the suction hose with water, simply fill the pump housing with water.
Performance Curve:

Documentation:
* This link leads to the parts list of the model SERH-50V-BAA. If the complete designation of your pump model differs from this, please ask us for the correct parts list via our contact form.
Technical information:
Connection | ON: 50 mm (2″); OFF: 50 mm (2″) / 25 mm (1″) x 2 |
Connection type | Outer pipe thread |
Total head | 80 m |
Delivery quantity | 430 L/min |
Max. Suction height | 8 m |
Grain size | Max. 3 mm |
Motor type | 4-stroke gasoline engine, air-cooled |
Motor | Honda GX160HR |
Cubic Capacity | 163 ccm |
Rated power | 3.2 kW (4.4 PS) / 4300 rpm |
Max. Power | 3.9 kW (5.3 PS) / 4500 rpm |
Fuel | Gasoline, unleaded |
Capacity of the fuel tank | 3.1 L |
Continuous operating time | Approx. 1 hour. |
Start method | Cable starter |
Standard accessories | 1 Filter 3 hose clamps (φ 60) 2 hose clamps (φ 32) 1 hose coupling set (50 mm) 1 closing plate (50 mm) 2 nipples (25 mm) 1 quick coupling (25 mm) (*only BSP model) 1 Power tool |
Net weight | 34 kg |
Gross weight | 37 kg |
Dimensions L×W×H (cm) | 55.5 × 45 × 46.8 |
Performance:
A – Feed,
B – head,
C – Suction

*Performance may vary depending on conditions