Head to head
Ifor Williams GH126 BT vs Ifor Williams HB510XL
The Ifor Williams GH126 BT is a general purpose trailer. The Ifor Williams HB510XL is a an extra-length double horsebox trailer.
Last reviewed 13 September 2026


Specifications side by side
| Ifor Williams GH126 BT | Ifor Williams HB510XL | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Axles | Single | - |
| Brakes | Braked | - |
| Size | 12ft x 6ft | - |
| Unladen weight | - | 1290kg |
| Payload | - | 2210kg |
| Internal length | - | 4.25m |
| Internal width | - | 1.74m |
Sources: Ifor Williams GH126 BT, Ifor Williams HB510XL. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GH126 BT if...
Ifor Williams GH126 BT, carried by UK dealers and hire companies listed on GetBrent for sale. General purpose trailers are the everyday choice for garden waste, tip runs, DIY materials and moving house.
Listed by
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Buy or hire the HB510XL if...
For owners of taller or longer horses who find the standard HB511 too tight, giving extra internal length on the same 3500kg chassis so it stays towable by a suitably rated 4x4.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
Common questions
What is the difference between the Ifor Williams GH126 BT and the Ifor Williams HB510XL?
The Ifor Williams GH126 BT is a general purpose trailer; the Ifor Williams HB510XL is a an extra-length double horsebox trailer.
Can I tow the Ifor Williams GH126 BT or the Ifor Williams HB510XL 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.
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.
