Head to head
Brian James A Transporter (A4) vs Lider 39770
The Brian James A Transporter (A4) is rated 400kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Brian James A Transporter (A4) is rated 400kg heavier gross.
Specifications side by side
| Brian James A Transporter (A4) | Lider 39770 | |
|---|---|---|
| Gross weight | 2,000kg to 3,000kg depending on variant | 1600kg |
| Brakes | Braked, tandem axle | Braked |
| Bed | 3.7m x 1.8m up to 5.0m x 2.0m depending on variant | - |
| Unladen weight | - | 430kg |
| Internal bed | - | 361 x 185 x 11cm |
| Axles | - | 1 |
Sources: Brian James A Transporter (A4), Lider 39770. 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 400kg 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 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 A Transporter (A4) and the Lider 39770?
The Brian James A Transporter (A4) is rated 400kg heavier gross. The Brian James A Transporter (A4) is a open flatbed car transporter, twin axle; the Lider 39770 is a a braked single-axle car transporter trailer rated at 1600kg gross weight..
Can I tow the Brian James A Transporter (A4) 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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