Head to head
Ifor Williams GX126 vs Ifor Williams HBX506
The Ifor Williams GX126 carries 1 tonnes more and is rated 900kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Payload: the Ifor Williams GX126 carries 1 tonnes more.
- Gross weight: the Ifor Williams GX126 is rated 900kg heavier gross.
- Unladen weight: the Ifor Williams HBX506 weighs 100kg more empty.
- Internal length: the Ifor Williams GX126 is 40cm (1.5ft) longer inside.
- Internal width: the Ifor Williams GX126 is 17cm wider inside.
Specifications side by side
| Ifor Williams GX126 | Ifor Williams HBX506 | |
|---|---|---|
| Internal length | 3.66m / 12'0" | 3.26m |
| Internal width | 1.84m / 6'0" | 1.67m |
| Gross weight | 3500kg | 2600kg |
| Unladen weight | 765kg (Skids); 795kg (Ramp) | 865kg |
| Payload | 2735kg (Skids); 2705kg (Ramp) | 1735kg |
| Overall length | 5.70m | - |
| Overall width | 2.30m | - |
| Tyres | 155/70R12C | - |
Sources: Ifor Williams GX126, Ifor Williams HBX506. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GX126 if...
- you want one that carries 1 tonnes more
- you want one that is rated 900kg heavier gross
- you want one that is 100kg lighter empty
- you want one that is 40cm (1.5ft) longer inside
- you want one that is 17cm wider inside
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 GX126 specifications →Buy or hire 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.
Listed by
- R M Trailer Centre - Middlesbrough, North Ormesby
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Ifor Williams GX126 and the Ifor Williams HBX506?
The Ifor Williams GX126 carries 1 tonnes more and is rated 900kg heavier gross. The Ifor Williams GX126 is a a twin-axle plant trailer available in Skids and Ramp variants for carrying machinery.; the Ifor Williams HBX506 is a a double horsebox trailer from Ifor Williams' HBX range.
Which is lighter, the Ifor Williams GX126 or the Ifor Williams HBX506?
The Ifor Williams GX126. It is 100kg lighter empty than the Ifor Williams HBX506.
Which carries more, the Ifor Williams GX126 or the Ifor Williams HBX506?
The Ifor Williams GX126, by 1 tonnes.
Can I tow the Ifor Williams GX126 or the Ifor Williams HBX506 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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