Head to head
Brian James Race Box vs Ifor Williams GX105
The Brian James Race Box is rated 300kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Brian James Race Box is rated 300kg heavier gross.
Specifications side by side
| Brian James Race Box | Ifor Williams GX105 | |
|---|---|---|
| Gross weight | 3000kg | 2700kg |
| Payload | up to 1885kg | 2025kg |
| Internal width | 1.95m | - |
| Internal length | 4.0m / 4.5m / 5.0m | - |
| Axles | Twin | - |
| Unladen weight | - | 675kg |
| Internal bed | - | 3.03m x 1.57m |
Sources: Brian James Race Box, Ifor Williams GX105. 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 GX105 if...
A plant hire and groundworks trailer for skid-steers or mini excavators that need a longer bed than the GX84 but not the higher 3500kg gross weight of the GX105HD.
Listed by
- East Midlands Trailers - Leicester, Thrussington
Common questions
What is the difference between the Brian James Race Box and the Ifor Williams GX105?
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 GX105 is a a mid-size plant trailer with a skid or ramp loading option.
Can I tow the Brian James Race Box or the Ifor Williams GX105 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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