Model against model
Ifor Williams GX126 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
| Ifor Williams GX126 | Ifor Williams HB506 | |
|---|---|---|
| Internal length | 3.66m / 12'0" | 3.16m |
| Internal width | 1.84m / 6'0" | 1.67m |
| Gross weight | 3500kg | 2,600kg |
| Unladen weight | 765kg (Skids); 795kg (Ramp) | 920kg |
Only specifications published for both models appear here. Full Ifor Williams GX126 figures and full Ifor Williams HB506 figures.
Choose the GX126 if...
The GX126 is Ifor Williams' mainstream plant trailer for mini diggers, dumpers and similar machinery on a single-axle-per-side, 3500kg braked chassis. Hirers usually pick the Ramp version for self-loading and the Skids version where a separate loading ramp or forklift is already available.
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 Ifor Williams GX126 and the Ifor Williams HB506?
Ifor Williams GX126: The GX126 is Ifor Williams' mainstream plant trailer for mini diggers, dumpers and similar machinery on a single-axle-per-side, 3500kg braked chassis. Hirers usually pick the Ramp version for self-loading and the Skids version where a separate loading ramp or forklift is already available. 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.
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