Model against model
Ifor Williams HB506 vs Ifor Williams HBX506
Two models people put on the same shortlist. Every figure below is sourced, and where one side has a specification the other does not publish, the row is left out rather than filled with a guess.
Last reviewed 13 September 2026
| Ifor Williams HB506 | Ifor Williams HBX506 | |
|---|---|---|
| Gross weight | 2,600kg | 2600kg |
| Unladen weight | 920kg | 865kg |
| Internal length | 3.16m | 3.26m |
| Internal width | 1.67m | 1.67m |
Only specifications published for both models appear here. Full Ifor Williams HB506 figures and full Ifor Williams HBX506 figures.
Choose 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.
Full specifications →Choose the HBX506 if...
A mid-size horsebox for owners moving one or two horses who want the updated HBX styling and features rather than the standard HB range trailer.
Dealer wrote the range name 'HBX'; the range also includes HBX403 and HBX511. Figures shown are for the mid-size HBX506.
Full specifications →Common questions
What is the difference between the Ifor Williams HB506 and the Ifor Williams HBX506?
Ifor Williams HB506: 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. Ifor Williams HBX506: A mid-size horsebox for owners moving one or two horses who want the updated HBX styling and features rather than the standard HB range trailer.
Are these figures reliable?
Every figure on this page was read off a manufacturer or established dealer page and is linked to its source. Anything we could not verify is left out rather than estimated. Specifications change by model year and configuration, so confirm with the supplier before relying on them.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.