Head to head
Ifor Williams HB506 vs Woodford GP Single Axle Box
The Ifor Williams HB506 is rated 1,850kg heavier gross and is 22cm wider inside.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams HB506 is rated 1,850kg heavier gross.
- Internal width: the Ifor Williams HB506 is 22cm wider inside.
Specifications side by side
| Ifor Williams HB506 | Woodford GP Single Axle Box | |
|---|---|---|
| Gross weight | 2,600kg | 750kg (unbraked) |
| Internal width | 1.67m | 1,455mm |
| Unladen weight | 920kg | - |
| Internal length | 3.16m | - |
| Brakes | Braked | - |
| Tyres | - | 500x10 6-ply |
| Load bed length | - | 2,100mm to 2,710mm depending on size |
| Floor | - | 12mm phenolic-coated birchwood |
Sources: Ifor Williams HB506, Woodford GP Single Axle Box. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HB506 if...
- you want one that is rated 1,850kg heavier gross
- you want one that is 22cm wider inside
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.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
- Horse Trailer Sales - Robertsbridge, Staplecross
- 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 HB506 and the Woodford GP Single Axle Box?
The Ifor Williams HB506 is rated 1,850kg heavier gross and is 22cm wider inside. The Ifor Williams HB506 is a two-horse trailer, twin axle; the Woodford GP Single Axle Box is a small single axle box trailer range.
Can I tow the Ifor Williams HB506 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.
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