Head to head
Ifor Williams HB506 vs Ifor Williams HBX506
The Ifor Williams HBX506 is 55kg lighter empty and is 10cm longer inside.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB506 weighs 55kg more empty.
- Internal length: the Ifor Williams HBX506 is 10cm longer inside.
Specifications side by side
| Ifor Williams HB506 | Ifor Williams HBX506 | |
|---|---|---|
| Gross weight | 2,600kg | 2600kg |
| Unladen weight | 920kg | 865kg |
| Internal length | 3.16m | 3.26m |
| Internal width | 1.67m | 1.67m |
| Brakes | Braked | - |
| Payload | - | 1735kg |
Sources: Ifor Williams HB506, Ifor Williams HBX506. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire 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.
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 HBX506 if...
- you want one that is 55kg lighter empty
- you want one that is 10cm longer 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
Common questions
What is the difference between the Ifor Williams HB506 and the Ifor Williams HBX506?
The Ifor Williams HBX506 is 55kg lighter empty and is 10cm longer inside. The Ifor Williams HB506 is a two-horse trailer, twin axle; the Ifor Williams HBX506 is a a double horsebox trailer from Ifor Williams' HBX range.
Which is lighter, the Ifor Williams HB506 or the Ifor Williams HBX506?
The Ifor Williams HBX506. It is 55kg lighter empty than the Ifor Williams HB506.
Can I tow the Ifor Williams HB506 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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