Head to head
Brian James Race Box vs Ifor Williams CT177
The Ifor Williams CT177 carries 810kg more and is rated 500kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Payload: the Ifor Williams CT177 carries 810kg more.
- Gross weight: the Ifor Williams CT177 is rated 500kg heavier gross.
Specifications side by side
| Brian James Race Box | Ifor Williams CT177 | |
|---|---|---|
| Gross weight | 3000kg | 3500kg |
| Payload | up to 1885kg | approx. 2695kg |
| Internal width | 1.95m | - |
| Internal length | 4.0m / 4.5m / 5.0m | - |
| Axles | Twin | - |
| Overall length | - | 6.70m / 22'0" |
| Bed | - | 5.00m / 16'4" ((internal) length); 1.91m / 6'3" ((internal) width) |
| Unladen weight | - | 805kg |
Sources: Brian James Race Box, Ifor Williams CT177. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Race Box if...
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 CT177 if...
- you want one that carries 810kg more
- you want one that is rated 500kg heavier gross
The CT177 is built to be wide enough for most light commercial vehicles while remaining narrow enough for smaller cars, making it a common choice for vehicle recovery firms and the motor trade. Its long bed and 3500kg GVW keep it within standard car-licence towing limits for a single vehicle plus ramps.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Brian James Race Box and the Ifor Williams CT177?
The Ifor Williams CT177 carries 810kg more and is rated 500kg 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 CT177 is a a twin-axle car transporter trailer with a long, narrow bed for single-vehicle recovery and trade use..
Which carries more, the Brian James Race Box or the Ifor Williams CT177?
The Ifor Williams CT177, by 810kg.
Can I tow the Brian James Race Box or the Ifor Williams CT177 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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