Head to head
Humbaur HTK vs Ifor Williams HB506
The Humbaur HTK is rated 900kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Humbaur HTK is rated 900kg heavier gross.
Specifications side by side
| Humbaur HTK | Ifor Williams HB506 | |
|---|---|---|
| Gross weight | 3500kg | 2,600kg |
| Brakes | Braked | Braked |
| Payload | 2550kg | - |
| Internal bed | 3.14m x 1.75m | - |
| Axles | Twin | - |
| Unladen weight | - | 920kg |
| Internal length | - | 3.16m |
| Internal width | - | 1.67m |
Sources: Humbaur HTK, Ifor Williams HB506. 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 is rated 900kg 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 HB506 if...
The mainstream two-horse trailer in Britain, used by private owners and small yards. Its comparatively low unladen weight for the class is the practical point: it widens the range of 4x4s and large SUVs that can legally and comfortably tow it.
Listed by
- R M Trailer Centre - Middlesbrough, North Ormesby
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- 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 HB506?
The Humbaur HTK is rated 900kg heavier gross. The Humbaur HTK is a a tandem-axle three-way tipping trailer for construction and agricultural use; the Ifor Williams HB506 is a two-horse trailer, twin axle.
Can I tow the Humbaur HTK or the Ifor Williams HB506 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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