Head to head
Brian James Race Box vs Ifor Williams CT136
The Brian James Race Box is rated 1.6 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Brian James Race Box is rated 1.6 tonnes heavier gross.
Specifications side by side
| Brian James Race Box | Ifor Williams CT136 | |
|---|---|---|
| Gross weight | 3000kg | 1,400kg single axle / 2,000kg twin axle / 2,600kg CT136HD |
| Payload | up to 1885kg | - |
| Internal width | 1.95m | - |
| Internal length | 4.0m / 4.5m / 5.0m | - |
| Axles | Twin | - |
| Unladen weight | - | 400kg single axle / 495kg twin axle |
| Bed | - | 4.00m x 1.84m |
Sources: Brian James Race Box, Ifor Williams CT136. 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 is rated 1.6 tonnes heavier gross
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 CT136 if...
The accessible end of car transport, for towing a road car, a track-day car or a small classic. Motorsport and classic-car owners tend toward the twin-axle and HD versions for the higher gross weight and the tie-down provision.
Full CT136 specifications →Common questions
What is the difference between the Brian James Race Box and the Ifor Williams CT136?
The Brian James Race Box is rated 1.6 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 CT136 is a flatbed car transporter, single or twin axle.
Can I tow the Brian James Race Box or the Ifor Williams CT136 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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