Head to head
Brian James Race Transporter 4 vs Ifor Williams HB510XL
The Brian James Race Transporter 4 is 38cm (1ft) wider inside and is 110kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Internal width: the Brian James Race Transporter 4 is 38cm (1ft) wider inside.
- Unladen weight: the Ifor Williams HB510XL weighs 110kg more empty.
- Payload: the Brian James Race Transporter 4 carries 110kg more.
Specifications side by side
| Brian James Race Transporter 4 | Ifor Williams HB510XL | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | from 1180kg | 1290kg |
| Payload | up to 2320kg | 2210kg |
| Internal width | 2.12m | 1.74m |
| Internal bed | 5.0m / 5.5m long | - |
| Axles | Twin | - |
| Internal length | - | 4.25m |
Sources: Brian James Race Transporter 4, Ifor Williams HB510XL. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Race Transporter 4 if...
- you want one that is 38cm (1ft) wider inside
- you want one that is 110kg lighter empty
- you want one that carries 110kg more
Aimed at motorsport teams and vehicle recovery operators who need a hydraulic tilt-bed for easy low loading of a single car. It is the entry point into the numbered Race Transporter range, below the 5, 6 and 7.
Listed by
- Trek-Trailers Lincolnshire - Doncaster, Belton
- Bicester Trailer Centre - Bicester
- Trek-Trailers Suffolk - Bury Saint Edmunds
- Trek-Trailers Three Counties - Hereford
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 4 and the Ifor Williams HB510XL?
The Brian James Race Transporter 4 is 38cm (1ft) wider inside and is 110kg lighter empty. The Brian James Race Transporter 4 is a an open twin-axle hydraulic tilt-bed car transporter; the Ifor Williams HB510XL is a an extra-length double horsebox trailer.
Which is lighter, the Brian James Race Transporter 4 or the Ifor Williams HB510XL?
The Brian James Race Transporter 4. It is 110kg lighter empty than the Ifor Williams HB510XL.
Which carries more, the Brian James Race Transporter 4 or the Ifor Williams HB510XL?
The Brian James Race Transporter 4, by 110kg.
Can I tow the Brian James Race Transporter 4 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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