
Honda WB20 Petrol Water Pump – Powerful, Reliable Performance for High-Volume Water Transfer
The Honda WB20 is a premium-grade, petrol-driven water pump built for fast, efficient transfer of clean or slightly muddy water. Powered by Honda’s world-renowned GX120 4-stroke engine, this pump offers exceptional reliability, strong flow rates, and rugged performance for demanding commercial, agricultural, and emergency applications.
The Honda WB20 Water Pump is supplied in a crash frame and is a 2 inch self-priming, centrifugal pump with reliable and trouble free Honda 4 stroke petrol engines, from the Honda Power Equipment range.
*Please note:- due to manufacturer engine shortages on the Honda GX120 engine, these units are currently being supplied with the Honda GX160 engine (next size up).
Built for Heavy Use, Backed by Honda Engineering
Whether you’re moving water from a ditch, irrigation tank, or flood zone, the WB20 delivers consistent performance with low fuel consumption and minimal maintenance.
Ideal for:
🌾 Agricultural irrigation and water transfer
🚧 Site and construction dewatering
🚜 Livestock and slurry management
🌊 Emergency flood water removal
🏠 Large domestic or estate use
All models have carbon ceramic mechanical seals and lightweight, aluminium pump housings, to assist portability. For increased abrasion resistance, they have cast iron volutes and impellers. These materials ensure maximum durability for the pumping of clear and black water as found on building sites.
All models are housed within a protective tubular steel, easy carry frame which has anti-vibration mounts fitted. They are fitted with oil alert system to protect the engines from misuse.

Key Features & Benefits:
✅ Genuine Honda GX120 Engine – Proven reliability and easy starting every time
✅ High Flow Rate – Pumps up to 620 litres per minute
✅ 2" Inlet/Outlet – Ideal for high-volume tasks
✅ Tough & Lightweight Frame – Easy to transport and built for field use
✅ Low Fuel Consumption – Efficient operation with a generous 3.6L tank
✅ Durable Cast Iron Volute & Impeller – Designed for long service life in tough conditions
Honda Performance You Can Trust
The WB20 is part of Honda’s WB Series – known for professional-grade pumping power, built to handle larger volumes over extended periods. Its abrasion-resistant construction, along with Honda’s legendary engine reliability, makes this pump a smart investment for any serious water-moving task.
Honda GX120 petrol driven 4HP engine.
Max Head: 32 metre
Max Flow: 620 l/min.
These highly popular pumps are used by Utilities and are found regularly on hire fleets.

Why Choose the Honda WB20 Water Pump?
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✔️ Reliable Honda GX engine with recoil start
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✔️ High-performance pump for clean and slightly dirty water
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✔️ Trusted by professionals in farming, construction, and emergency services
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✔️ Easy to use, portable, and backed by expert service from Henry Pumps
When you need dependable, high-volume water pumping, the Honda WB20 delivers every time – from field to flood.
💧 Order now for fast, efficient water transfer backed by the power of Honda. 🔧
| Model | Inlet (mm) | Outlet (mm) | Engine | Fuel | HP | Oil alert | Flow (l/min) | Head (mtrs) | Solids (mm) | Width (mm) | Length (mm) | Height (mm) | Dry weight (kg) | Packing weight |
| WB20 | 50 | 50 | GX120 | Petrol Engine | 4 | yes | 590 | 32 | 6 | 365 | 455 | 420 | 21 | 24 |
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Brand:Honda
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Condition:New
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Product Code:13201001
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Weight:21kg
Great pump, so it is
Honda pumps are the best. Been using them for many years and never let me down. Good price too.





