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Product overview

Reliable performance without the guesswork.

Review the product details, specifications and support information below before ordering.

Best for
  • 🌾 Irrigation
  • 🚜 Farm water transfer
  • 🏗️ Construction sites
  • 💧 Tank filling and emptying
  • 🏠 Flood and drainage work
  • 🌱 Agricultural water distribution
  • 🚰 General-purpose water pumping

The Koshin SEH-50X BAE-6 is a heavy-duty 2-inch petrol water pump powered by a reliable Honda GX120 engine. Designed for irrigation, water transfer, construction sites, farms and general dewatering work, it delivers high flow with dependable performance.

With a maximum delivery volume of 600 litres per minute and a total head of 30 metres, this pump is well suited for moving large volumes of clean water quickly and efficiently.

💧 Key Features

  • 💧 2-inch inlet and outlet
  • ⚙️ Powered by Honda GX120 petrol engine
  • 🚀 Maximum flow rate of 600 L/min
  • 📏 Maximum total head of 30 metres
  • ⚡ Engine output rated at 2.1kW
  • 🔄 Engine speed of 3600 RPM
  • 🏗️ Heavy-duty steel frame for protection
  • 🇯🇵 Koshin pump – Made in Japan
  • 🧰 Suitable for farms, irrigation and construction use
  • 🚚 Portable design for field use
  • 💪 Built for high-volume water transfer

⚙️ Honda GX120 Engine

The pump is equipped with a Honda GX120 petrol engine, known for reliable starting, fuel efficiency and long service life.

Benefits include:

  • Easy starting
  • Smooth running
  • Good fuel economy
  • Reliable continuous operation
  • Widely available servicing and spare parts

💧 High Water Flow

With a maximum delivery rate of 600 litres per minute, the SEH-50X is suitable for applications that require quick movement of large water volumes.

Typical uses include:

  • 🌾 Farm irrigation
  • 🚜 Water transfer between tanks
  • 🏗️ Construction site dewatering
  • 💦 Drainage work
  • 🐄 Livestock water transfer
  • 🌱 Garden and agricultural irrigation
  • 🏠 Flood-water removal
  • 🚰 General clean-water pumping

📏 30-Metre Total Head

The pump can deliver water against a total head of up to 30 metres, making it suitable for moderate elevation changes and longer hose runs.

Actual flow will reduce as head height and hose resistance increase.

🛡️ Heavy-Duty Construction

The rigid steel frame helps protect the engine and pump body during transport and field operation.

The design also makes the unit easier to carry, position and secure on uneven ground.

⚠️ Important Operating Note

  • 💧 Do not run the pump dry
  • 🚰 Fill the pump casing completely with priming water before starting
  • 🧹 Use clean water unless the pump is specifically approved for solids
  • 🔌 Ensure suction hose connections are airtight
  • 📏 Use the correct 2-inch hose size
  • 🛠️ Check engine oil before operation
  • 🧯 Allow the engine to cool before refuelling

Technical details

Specifications

  • 🏷️ Brand: Koshin
  • 🔢 Model: SEH-50X
  • 🧩 Type: SEH-50X-BAE-6
  • ⚙️ Engine: Honda GX120
  • 💧 Connection Diameter: 50mm / 2 inch
  • 🚀 Maximum Delivery Volume: 600 litres/minute
  • 🇺🇸 Equivalent Flow Rate: Approx. 158 gal/min
  • 📏 Maximum Total Head: 30m / 98ft
  • ⚡ Rated Power: 2.1kW
  • 🔄 Engine Speed: 3600 RPM
  • ⚖️ Net Weight: Approx. 21kg
  • ⛽ Fuel Type: Petrol
  • 🏗️ Frame: Heavy-duty tubular steel frame
  • 🇯🇵 Country of Manufacture: Japan

Questions and answers

Before you order

What size is the pump?
It uses 2-inch / 50mm connections.

What engine does it use?
It is powered by a Honda GX120 petrol engine.

What is the maximum flow rate?
Up to 600 litres per minute.

What is the maximum head?
Up to 30 metres / 98 feet.

What is the engine output?
The pump nameplate lists 2.1kW at 3600 RPM.

How much does it weigh?
Approximately 21kg.

Can it be used for irrigation?
Yes. It is well suited for farm irrigation and general water transfer.

Can it pump dirty water?
This model is best treated as a general clean-water pump unless Koshin specifically confirms solids-handling capability for the exact version.

Does it need priming before use?
Yes. The pump casing must be filled with water before starting.

Is it made in Japan?
Yes. The nameplate identifies it as a Koshin Ltd. product made in Japan.

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