Head to head
Brian James Race Transporter 6 vs Ifor Williams HB510XL
The Brian James Race Transporter 6 is 39cm (1.5ft) wider inside. The Ifor Williams HB510XL is 150kg lighter empty and carries 150kg more.
Last reviewed 13 September 2026
Key differences
- Internal width: the Brian James Race Transporter 6 is 39cm (1.5ft) wider inside.
- Unladen weight: the Brian James Race Transporter 6 weighs 150kg more empty.
- Payload: the Ifor Williams HB510XL carries 150kg more.
Specifications side by side
| Brian James Race Transporter 6 | Ifor Williams HB510XL | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | from 1440kg | 1290kg |
| Payload | up to 2060kg | 2210kg |
| Internal width | 2.13m / 2.35m | 1.74m |
| Internal bed | 5.5m / 6.0m / 6.5m long | - |
| Axles | Tri-axle | - |
| Internal length | - | 4.25m |
Sources: Brian James Race Transporter 6, Ifor Williams HB510XL. 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 39cm (1.5ft) wider inside
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 HB510XL if...
- you want one that is 150kg lighter empty
- you want one that carries 150kg more
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 Brian James Race Transporter 6 and the Ifor Williams HB510XL?
The Brian James Race Transporter 6 is 39cm (1.5ft) wider inside. The Ifor Williams HB510XL is 150kg lighter empty and carries 150kg more. The Brian James Race Transporter 6 is a a tri-axle electric tilt-bed car transporter for heavier or wider vehicles; the Ifor Williams HB510XL is a an extra-length double horsebox trailer.
Which is lighter, the Brian James Race Transporter 6 or the Ifor Williams HB510XL?
The Ifor Williams HB510XL. It is 150kg lighter empty than the Brian James Race Transporter 6.
Which carries more, the Brian James Race Transporter 6 or the Ifor Williams HB510XL?
The Ifor Williams HB510XL, by 150kg.
Can I tow the Brian James Race Transporter 6 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.
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