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Honda WT20 Trash Pump
Honda WT20 Trash Pump


The prime choice when handling water filled with solids, the Honda WT20 Trash Pump is ideal for messy jobs and dirty water.


Category: Parts, Tools & Accessories

Stock Number: ZN-WT20

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The prime choice when handling water filled with solids, the Honda WT20 Trash Pump is ideal for messy jobs and dirty water.


On site or at lakes and rivers, water is often dirty and filled with silt. Our Trash pumps have been built strong to handle it.

The ultimate choice for contractors or rental, our Honda WT20 Trash Pump has been specially designed to take on the most demanding jobs. They allow gravel and other debris to flow through the pump without clogging or causing damage – all whilst pushing out professional water pumping performance. So there’s no need to worry about the water quality – just about getting the job done.

Built around durability, our Trash pumps feature a silicon carbide seal and a unique conical cast iron impeller design. They reduce wear from abrasive materials and can handle solid objects up to 31mm in diameter. There’s even a strainer to ensure nothing bigger gets through.

Dealing with tough water conditions, occasionally our Trash pumps can become clogged – it can happen from time to time. To solve this problem, we designed a removable inspection cover that makes clearing debris quick and simple. If the pump becomes blocked (A), simply use the provided tool to loosen the quick-release bolts (B), and lift open the inspection cover (C) to remove any debris. Once it’s done, it’s back to work.


Come rain or shine, our OHV 4-stroke engines won’t let you down. But especially come rain.

As you’d expect from a Honda, our water pump engines are reliable and have low emissions – automatic decompression makes them so quick and easy to start. To keep everything in check, they also have an Oil Alert™. This prevents engine damage by automatically shutting the unit down if the oil drops below a safe level.


Like our water pumps, a Honda warranty is the best you can get.

2 year domestic warranty and 1 year professional warranty.

We work constantly to make the most reliable and effective water pumps out there. They’re driven by powerful and efficient 4-stroke engines, and with mechanical seals and cast iron volutes and impellers, they’re built to last.

Made to match

Our water pumps just keep on going. That’s why we can offer one of the most comprehensive warranties out there, too. It maintains the same value throughout the warranty period – meaning the last day of cover is exactly the same as the first.

Available for home delivery or FREE click and collect from any of our five branches.


  • Pump
    Maximum output capacity (L/min) 710
    Inlet/outlet diameter thread type (mm/inches) 50/2-PF
    Total head (m) 30
    Suction head (m) 8
    Pressure (bars) 3
    Debris size capacity (mm) 24
  • Engine
    Engine Model GX160
    Engine type 4-stroke, OHV,** 1 cylinder
    Displacement (cm³) 163
    Bore x stroke (mm) 68 x 45
    Engine speed (rpm) 3600 max
    Engine net power (kW) 3.6
    Cooling system Forced air
    Ignition system Transistor
    Oil capacity (L) 0.6
    Fuel tank capacity (L) 3.1
    Operating time 2h50 approx
    Starter system Recoil
    Sound pressure level at workstation (dB(A)) 92
    Guaranteed sound power level (dB(A)) 106
  • Dimensions
    Length (mm) 620
    Width (mm) 460
    Height (mm) 465
    Dry weight (kg) 47

See our full Delivery & Returns information here.

We deliver to Mainland UK, excluding the Scottish Islands and Highlands. For any locations outside Mainland UK, including international shipping, please contact Antony Barrow at [email protected] for a cost estimate.


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