Head to head
Brian James Race Box vs Lider 39770
The Brian James Race Box is rated 1.4 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Brian James Race Box is rated 1.4 tonnes heavier gross.
Specifications side by side
| Brian James Race Box | Lider 39770 | |
|---|---|---|
| Gross weight | 3000kg | 1600kg |
| Axles | Twin | 1 |
| Payload | up to 1885kg | - |
| Internal width | 1.95m | - |
| Internal length | 4.0m / 4.5m / 5.0m | - |
| Unladen weight | - | 430kg |
| Internal bed | - | 361 x 185 x 11cm |
| Brakes | - | Braked |
Sources: Brian James Race Box, Lider 39770. 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 1.4 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 39770 if...
A lighter single-axle car transporter for owners of small cars, motorhomes-with-tow-cars or similar, sized to be towed by a mid-range family car.
Listed by
- Lider Trailers - Accrington, Blackburn
Common questions
What is the difference between the Brian James Race Box and the Lider 39770?
The Brian James Race Box is rated 1.4 tonnes heavier gross. The Brian James Race Box is a a fully enclosed twin-axle car transporter for classics and small race cars; the Lider 39770 is a a braked single-axle car transporter trailer rated at 1600kg gross weight..
Can I tow the Brian James Race Box or the Lider 39770 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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