Head to head
Humbaur HTK vs Ifor Williams HB403
The Humbaur HTK carries 1,717kg more and is rated 1.9 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Payload: the Humbaur HTK carries 1,717kg more.
- Gross weight: the Humbaur HTK is rated 1.9 tonnes heavier gross.
Specifications side by side
| Humbaur HTK | Ifor Williams HB403 | |
|---|---|---|
| Gross weight | 3500kg | 1600kg |
| Payload | 2550kg | 833kg |
| Internal bed | 3.14m x 1.75m | - |
| Axles | Twin | - |
| Brakes | Braked | - |
| Unladen weight | - | 767kg |
| Internal length | - | 3.08m |
| Internal width | - | 1.30m |
Sources: Humbaur HTK, Ifor Williams HB403. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HTK if...
- you want one that carries 1,717kg more
- you want one that is rated 1.9 tonnes heavier gross
A heavy-duty three-way tipper for builders' merchants and groundworkers who need to tip to either side as well as the rear. The wide model line (2000kg to 3500kg gross) lets buyers pick a size without moving to a different range.
Listed by
- Trek-Trailers Lincolnshire - Doncaster, Belton
- Trek-Trailers Suffolk - Bury Saint Edmunds
- Trek-Trailers Three Counties - Hereford
Buy or hire the HB403 if...
The smallest trailer in the HB horsebox range, bought by owners of a single horse or a couple of ponies who want the lightest legal option that can still be towed by a mid-size car.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Humbaur HTK and the Ifor Williams HB403?
The Humbaur HTK carries 1,717kg more and is rated 1.9 tonnes heavier gross. The Humbaur HTK is a a tandem-axle three-way tipping trailer for construction and agricultural use; the Ifor Williams HB403 is a a compact single-horse or two-pony horsebox trailer.
Which carries more, the Humbaur HTK or the Ifor Williams HB403?
The Humbaur HTK, by 1,717kg.
Can I tow the Humbaur HTK or the Ifor Williams HB403 on a car licence?
Yes, as far as the licence goes. Both are rated at or under 3,500kg gross, and a car (B) licence has covered towing up to 3,500kg since 16 December 2021. Your car still has to be rated to tow the loaded weight - check the handbook or the VIN plate.
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