Head to head
Brian James Race Transporter 6 vs Ifor Williams HBX506
The Ifor Williams HBX506 is 575kg lighter empty. The Brian James Race Transporter 6 is rated 900kg heavier gross and is 46cm (1.5ft) wider inside.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Brian James Race Transporter 6 weighs 575kg more empty.
- Gross weight: the Brian James Race Transporter 6 is rated 900kg heavier gross.
- Internal width: the Brian James Race Transporter 6 is 46cm (1.5ft) wider inside.
- Payload: the Brian James Race Transporter 6 carries 325kg more.
Specifications side by side
| Brian James Race Transporter 6 | Ifor Williams HBX506 | |
|---|---|---|
| Gross weight | 3500kg | 2600kg |
| Unladen weight | from 1440kg | 865kg |
| Payload | up to 2060kg | 1735kg |
| Internal width | 2.13m / 2.35m | 1.67m |
| Internal bed | 5.5m / 6.0m / 6.5m long | - |
| Axles | Tri-axle | - |
| Internal length | - | 3.26m |
Sources: Brian James Race Transporter 6, Ifor Williams HBX506. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Race Transporter 6 if...
- you want one that is rated 900kg heavier gross
- you want one that is 46cm (1.5ft) wider inside
- you want one that carries 325kg more
Chosen by professional race and recovery outfits carrying wider GT or modified cars that need the extra internal width over the Race Transporter 4 and 5. The tri-axle chassis and electric tilt-bed suit frequent, heavier-duty use.
Listed by
- Bicester Trailer Centre - Bicester
Buy or hire the HBX506 if...
- you want one that is 575kg lighter empty
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 Brian James Race Transporter 6 and the Ifor Williams HBX506?
The Ifor Williams HBX506 is 575kg lighter empty. The Brian James Race Transporter 6 is rated 900kg heavier gross and is 46cm (1.5ft) wider inside. The Brian James Race Transporter 6 is a a tri-axle electric tilt-bed car transporter for heavier or wider vehicles; the Ifor Williams HBX506 is a a double horsebox trailer from Ifor Williams' HBX range.
Which is lighter, the Brian James Race Transporter 6 or the Ifor Williams HBX506?
The Ifor Williams HBX506. It is 575kg lighter empty than the Brian James Race Transporter 6.
Which carries more, the Brian James Race Transporter 6 or the Ifor Williams HBX506?
The Brian James Race Transporter 6, by 325kg.
Can I tow the Brian James Race Transporter 6 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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