Head to head
Brian James Race Transporter 7 vs Ifor Williams HB510XL
The Brian James Race Transporter 7 is 36cm (1ft) wider inside and carries 25kg more.
Last reviewed 13 September 2026
Key differences
- Internal width: the Brian James Race Transporter 7 is 36cm (1ft) wider inside.
- Payload: the Brian James Race Transporter 7 carries 25kg more.
Specifications side by side
| Brian James Race Transporter 7 | Ifor Williams HB510XL | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Payload | up to 2235kg | 2210kg |
| Internal width | 2.1m / 2.3m | 1.74m |
| Internal bed | 5.5m / 6.0m long | - |
| Axles | Twin or Tri | - |
| Unladen weight | - | 1290kg |
| Internal length | - | 4.25m |
Sources: Brian James Race Transporter 7, Ifor Williams HB510XL. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Race Transporter 7 if...
- you want one that is 36cm (1ft) wider inside
- you want one that carries 25kg more
Sits at the top of the Race Transporter range for teams hauling larger or wider vehicles where the Race Transporter 6 is still not wide enough. The twin/tri-axle choice lets buyers trade a little unladen weight against stability at the widest bed option.
Listed by
- Formula Trailers,, Brian-James Trailers Main Dealer in the SW UK - Wellington, Poole
Buy or hire the HB510XL if...
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 7 and the Ifor Williams HB510XL?
The Brian James Race Transporter 7 is 36cm (1ft) wider inside and carries 25kg more. The Brian James Race Transporter 7 is a the largest Race Transporter, offered in twin or tri-axle form for heavier vehicles; the Ifor Williams HB510XL is a an extra-length double horsebox trailer.
Which carries more, the Brian James Race Transporter 7 or the Ifor Williams HB510XL?
The Brian James Race Transporter 7, by 25kg.
Can I tow the Brian James Race Transporter 7 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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