Head to head
Brian James Race Transporter 4 vs Lider 39450
The Lider 39450 is 930kg lighter empty. The Brian James Race Transporter 4 is rated 2,750kg heavier gross and is 79cm (2.5ft) wider inside.
Last reviewed 13 September 2026

Key differences
- Unladen weight: the Brian James Race Transporter 4 weighs 930kg more empty.
- Gross weight: the Brian James Race Transporter 4 is rated 2,750kg heavier gross.
- Internal width: the Brian James Race Transporter 4 is 79cm (2.5ft) wider inside.
Specifications side by side
| Brian James Race Transporter 4 | Lider 39450 | |
|---|---|---|
| Gross weight | 3500kg | 750kg |
| Unladen weight | from 1180kg | 250kg |
| Internal width | 2.12m | 133cm |
| Axles | Twin | 2 |
| Payload | up to 2320kg | - |
| Internal bed | 5.0m / 5.5m long | - |
| Internal length | - | 251cm |
| Internal height | - | 40cm |
| Brakes | - | Unbraked |
Sources: Brian James Race Transporter 4, Lider 39450. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Race Transporter 4 if...
- you want one that is rated 2,750kg heavier gross
- you want one that is 79cm (2.5ft) wider inside
Aimed at motorsport teams and vehicle recovery operators who need a hydraulic tilt-bed for easy low loading of a single car. It is the entry point into the numbered Race Transporter range, below the 5, 6 and 7.
Listed by
- Trek-Trailers Lincolnshire - Doncaster, Belton
- Bicester Trailer Centre - Bicester
- Trek-Trailers Suffolk - Bury Saint Edmunds
- Trek-Trailers Three Counties - Hereford
Buy or hire the 39450 if...
- you want one that is 930kg lighter empty
Gives buyers the stability of a twin-axle trailer for garden and general loads while staying under the unbraked weight limit.
Listed by
- Lider Trailers - Accrington, Blackburn
Common questions
What is the difference between the Brian James Race Transporter 4 and the Lider 39450?
The Lider 39450 is 930kg lighter empty. The Brian James Race Transporter 4 is rated 2,750kg heavier gross and is 79cm (2.5ft) wider inside. The Brian James Race Transporter 4 is a an open twin-axle hydraulic tilt-bed car transporter; the Lider 39450 is a an unbraked twin-axle wooden-sided general purpose trailer rated at 750kg gross weight..
Which is lighter, the Brian James Race Transporter 4 or the Lider 39450?
The Lider 39450. It is 930kg lighter empty than the Brian James Race Transporter 4.
Can I tow the Brian James Race Transporter 4 or the Lider 39450 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.
