Head to head
Brian James Race Box vs Ifor Williams HBE506
The Brian James Race Box carries 660kg more and is rated 1 tonnes heavier gross.
Last reviewed 13 September 2026

Key differences
- Payload: the Brian James Race Box carries 660kg more.
- Gross weight: the Brian James Race Box is rated 1 tonnes heavier gross.
- Internal length: the Brian James Race Box is 74cm (2.5ft) longer inside.
- Internal width: the Brian James Race Box is 28cm wider inside.
Specifications side by side
| Brian James Race Box | Ifor Williams HBE506 | |
|---|---|---|
| Gross weight | 3000kg | 2000kg |
| Payload | up to 1885kg | 1225kg |
| Internal width | 1.95m | 1.67m |
| Internal length | 4.0m / 4.5m / 5.0m | 3.26m |
| Axles | Twin | - |
| Unladen weight | - | 775kg |
Sources: Brian James Race Box, Ifor Williams HBE506. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Race Box if...
- you want one that carries 660kg more
- you want one that is rated 1 tonnes heavier gross
- you want one that is 74cm (2.5ft) longer inside
- you want one that is 28cm wider inside
Positioned for classic car owners and smaller motorsport teams who want their car fully enclosed and weatherproof but do not need the wider bed of the Race Sport or Race Transporter ranges. The narrower internal width suits a single classic or compact race car rather than a modern GT car.
Listed by
- Formula Trailers,, Brian-James Trailers Main Dealer in the SW UK - Wellington, Poole
Buy or hire the HBE506 if...
Aimed at owners who want HB506-sized space for two horses or ponies but need a lower gross weight to stay within a smaller car's towing limit.
Listed by
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Brian James Race Box and the Ifor Williams HBE506?
The Brian James Race Box carries 660kg more and is rated 1 tonnes heavier gross. The Brian James Race Box is a a fully enclosed twin-axle car transporter for classics and small race cars; the Ifor Williams HBE506 is a a lighter-weight version of the HB506 double horsebox.
Which carries more, the Brian James Race Box or the Ifor Williams HBE506?
The Brian James Race Box, by 660kg.
Can I tow the Brian James Race Box or the Ifor Williams HBE506 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.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.
