Head to head
Brian James Race Transporter 6 vs Ifor Williams HB403
The Brian James Race Transporter 6 carries 1,227kg more and is rated 1.9 tonnes heavier gross. The Ifor Williams HB403 is 673kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Payload: the Brian James Race Transporter 6 carries 1,227kg more.
- Gross weight: the Brian James Race Transporter 6 is rated 1.9 tonnes heavier gross.
- Unladen weight: the Brian James Race Transporter 6 weighs 673kg more empty.
- Internal width: the Brian James Race Transporter 6 is 83cm (2.5ft) wider inside.
Specifications side by side
| Brian James Race Transporter 6 | Ifor Williams HB403 | |
|---|---|---|
| Gross weight | 3500kg | 1600kg |
| Unladen weight | from 1440kg | 767kg |
| Payload | up to 2060kg | 833kg |
| Internal width | 2.13m / 2.35m | 1.30m |
| Internal bed | 5.5m / 6.0m / 6.5m long | - |
| Axles | Tri-axle | - |
| Internal length | - | 3.08m |
Sources: Brian James Race Transporter 6, Ifor Williams HB403. 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 carries 1,227kg more
- you want one that is rated 1.9 tonnes heavier gross
- you want one that is 83cm (2.5ft) 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 HB403 if...
- you want one that is 673kg lighter empty
The smallest trailer in the HB horsebox range, bought by owners of a single horse or a couple of ponies who want the lightest legal option that can still be towed by a mid-size car.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Brian James Race Transporter 6 and the Ifor Williams HB403?
The Brian James Race Transporter 6 carries 1,227kg more and is rated 1.9 tonnes heavier gross. The Ifor Williams HB403 is 673kg lighter empty. The Brian James Race Transporter 6 is a a tri-axle electric tilt-bed car transporter for heavier or wider vehicles; the Ifor Williams HB403 is a a compact single-horse or two-pony horsebox trailer.
Which is lighter, the Brian James Race Transporter 6 or the Ifor Williams HB403?
The Ifor Williams HB403. It is 673kg lighter empty than the Brian James Race Transporter 6.
Which carries more, the Brian James Race Transporter 6 or the Ifor Williams HB403?
The Brian James Race Transporter 6, by 1,227kg.
Can I tow the Brian James Race Transporter 6 or the Ifor Williams HB403 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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