Head to head
Ifor Williams HBX506 vs Woodford GP Single Axle Box
The Ifor Williams HBX506 is rated 1,850kg heavier gross and is 22cm wider inside.
Last reviewed 13 September 2026

Key differences
- Gross weight: the Ifor Williams HBX506 is rated 1,850kg heavier gross.
- Internal width: the Ifor Williams HBX506 is 22cm wider inside.
Specifications side by side
| Ifor Williams HBX506 | Woodford GP Single Axle Box | |
|---|---|---|
| Gross weight | 2600kg | 750kg (unbraked) |
| Internal width | 1.67m | 1,455mm |
| Unladen weight | 865kg | - |
| Payload | 1735kg | - |
| Internal length | 3.26m | - |
| Tyres | - | 500x10 6-ply |
| Load bed length | - | 2,100mm to 2,710mm depending on size |
| Floor | - | 12mm phenolic-coated birchwood |
Sources: Ifor Williams HBX506, Woodford GP Single Axle Box. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HBX506 if...
- you want one that is rated 1,850kg heavier gross
- you want one that is 22cm wider inside
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
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
- East Midlands Trailers - Leicester, Thrussington
- R M Trailer Centre - Middlesbrough, North Ormesby
Buy or hire the GP Single Axle Box if...
A small, lidded box trailer bought by tradespeople and households for tools, tip runs and light loads that need weather protection. Its 750kg unbraked rating means almost any car with a towbar can pull it.
Listed by
- Lustre trailers - Norwich
Common questions
What is the difference between the Ifor Williams HBX506 and the Woodford GP Single Axle Box?
The Ifor Williams HBX506 is rated 1,850kg heavier gross and is 22cm wider inside. The Ifor Williams HBX506 is a a double horsebox trailer from Ifor Williams' HBX range; the Woodford GP Single Axle Box is a small single axle box trailer range.
Can I tow the Ifor Williams HBX506 or the Woodford GP Single Axle Box 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.
