Head to head
Brian James A Transporter (A4) vs Lider 39450
The Brian James A Transporter (A4) is rated 1,250kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Brian James A Transporter (A4) is rated 1,250kg heavier gross.
Specifications side by side
| Brian James A Transporter (A4) | Lider 39450 | |
|---|---|---|
| Gross weight | 2,000kg to 3,000kg depending on variant | 750kg |
| Brakes | Braked, tandem axle | Unbraked |
| Bed | 3.7m x 1.8m up to 5.0m x 2.0m depending on variant | - |
| Unladen weight | - | 250kg |
| Internal length | - | 251cm |
| Internal width | - | 133cm |
| Internal height | - | 40cm |
| Axles | - | 2 |
Sources: Brian James A Transporter (A4), Lider 39450. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the A Transporter (A4) if...
- you want one that is rated 1,250kg heavier gross
One of the most common car trailers in Britain, bought by trade and private owners for moving road cars, project cars and small vans. The reason it sells is the spread of bed length and gross weight combinations, which lets you match the trailer to the tow car rather than the other way round.
Listed by
- Fieldfare Trailer Centre - Salisbury
- Bicester Trailer Centre - Bicester
- Trek-Trailers Three Counties - Hereford
Buy or hire the 39450 if...
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 A Transporter (A4) and the Lider 39450?
The Brian James A Transporter (A4) is rated 1,250kg heavier gross. The Brian James A Transporter (A4) is a open flatbed car transporter, twin axle; the Lider 39450 is a an unbraked twin-axle wooden-sided general purpose trailer rated at 750kg gross weight..
Can I tow the Brian James A Transporter (A4) 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.
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