Head to head
Brian James A Transporter (A4) vs Erde CH451
The Brian James A Transporter (A4) is rated 1.4 tonnes heavier gross.
Last reviewed 13 September 2026

Key differences
- Gross weight: the Brian James A Transporter (A4) is rated 1.4 tonnes heavier gross.
Specifications side by side
| Brian James A Transporter (A4) | Erde CH451 | |
|---|---|---|
| Gross weight | 2,000kg to 3,000kg depending on variant | 600kg |
| Bed | 3.7m x 1.8m up to 5.0m x 2.0m depending on variant | - |
| Brakes | Braked, tandem axle | - |
| Unladen weight | - | 109kg |
| Payload | - | 494kg |
| Internal bed | - | 200 x 117cm |
Sources: Brian James A Transporter (A4), Erde CH451. 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 1.4 tonnes 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
- Trek-Trailers Three Counties - Hereford
Buy or hire the CH451 if...
A bare chassis bought by buyers who want to fit their own box, cage or platform body rather than take a standard Erde trailer.
Listed by
- Southern County Trailers Ltd - Southampton, West End
Common questions
What is the difference between the Brian James A Transporter (A4) and the Erde CH451?
The Brian James A Transporter (A4) is rated 1.4 tonnes heavier gross. The Brian James A Transporter (A4) is a open flatbed car transporter, twin axle; the Erde CH451 is a an unbraked single-axle multi-purpose trailer chassis rated at 600kg gross weight..
Can I tow the Brian James A Transporter (A4) or the Erde CH451 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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