Head to head
Brian James Race Box vs Equi-Trek Space-Treka III
The Equi-Trek Space-Treka III is rated 500kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Equi-Trek Space-Treka III is rated 500kg heavier gross.
Specifications side by side
| Brian James Race Box | Equi-Trek Space-Treka III | |
|---|---|---|
| Gross weight | 3000kg | 3500kg |
| Axles | Twin | 2 |
| Payload | up to 1885kg | - |
| Internal width | 1.95m | - |
| Internal length | 4.0m / 4.5m / 5.0m | - |
| Unladen weight | - | 1500kg |
| Brakes | - | Braked (four fully braked wheels) |
Sources: Brian James Race Box, Equi-Trek Space-Treka III. 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 Space-Treka III if...
- you want one that is rated 500kg heavier gross
The current version of Equi-Trek's Space-Treka trailer, giving a generous horse area plus a separate living/tack space in a twin-axle chassis. It suits owners who want overnight facilities without moving to a triaxle model.
Listed by
- Trek-Trailers Lincolnshire - Doncaster, Belton
- Trek-Trailers Suffolk - Bury Saint Edmunds
- Horse Trailer Sales - Robertsbridge, Staplecross
- Trek-Trailers Three Counties - Hereford
Common questions
What is the difference between the Brian James Race Box and the Equi-Trek Space-Treka III?
The Equi-Trek Space-Treka III 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 Equi-Trek Space-Treka III is a trailer with a large horse area and separate living space.
Can I tow the Brian James Race Box or the Equi-Trek Space-Treka III 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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