Head to head
Brian James Race Box vs Ifor Williams GX84
The Ifor Williams GX84 carries 275kg more. The Brian James Race Box is rated 300kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Payload: the Ifor Williams GX84 carries 275kg more.
- Gross weight: the Brian James Race Box is rated 300kg heavier gross.
Specifications side by side
| Brian James Race Box | Ifor Williams GX84 | |
|---|---|---|
| Gross weight | 3000kg | 2700kg |
| Payload | up to 1885kg | 2160kg |
| Internal width | 1.95m | - |
| Internal length | 4.0m / 4.5m / 5.0m | - |
| Axles | Twin | - |
| Unladen weight | - | 540kg |
| Internal bed | - | 2.45m x 1.27m |
Sources: Brian James Race Box, Ifor Williams GX84. 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 300kg 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 GX84 if...
- you want one that carries 275kg more
An entry-level plant trailer for landscapers and groundworkers moving a single small excavator or compact roller who do not need the longer beds further up the GX range.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- Corwen Trailer Centre - Corwen
Common questions
What is the difference between the Brian James Race Box and the Ifor Williams GX84?
The Ifor Williams GX84 carries 275kg more. The Brian James Race Box is rated 300kg 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 GX84 is a the smallest trailer in the GX plant range.
Which carries more, the Brian James Race Box or the Ifor Williams GX84?
The Ifor Williams GX84, by 275kg.
Can I tow the Brian James Race Box or the Ifor Williams GX84 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.