Model against model
Bockmann Portax L K vs Ifor Williams HB506
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
| Bockmann Portax L K | Ifor Williams HB506 | |
|---|---|---|
| Gross weight | 2500kg | 2,600kg |
| Internal length | 4125mm | 3.16m |
| Internal width | 1750mm | 1.67m |
Only specifications published for both models appear here. Full Bockmann Portax L K figures and full Ifor Williams HB506 figures.
Choose the Portax L K if...
The longer 'L' version of the Portax K, giving taller or bigger horses more room while keeping the front-exit layout. It appeals to owners of warmbloods or cobs who found the standard Portax K too tight.
Full specifications →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 →Common questions
What is the difference between the Bockmann Portax L K and the Ifor Williams HB506?
Bockmann Portax L K: The longer 'L' version of the Portax K, giving taller or bigger horses more room while keeping the front-exit layout. It appeals to owners of warmbloods or cobs who found the standard Portax K too tight. 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.
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.