Head to head
Brian James A Transporter (A4) vs Ifor Williams DP120
The Ifor Williams DP120 is rated 1.5 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams DP120 is rated 1.5 tonnes heavier gross.
Specifications side by side
| Brian James A Transporter (A4) | Ifor Williams DP120 | |
|---|---|---|
| Gross weight | 2,000kg to 3,000kg depending on variant | 3500kg |
| Brakes | Braked, tandem axle | Braked |
| Bed | 3.7m x 1.8m up to 5.0m x 2.0m depending on variant | - |
| Axles | - | Tri-axle |
| Size | - | 14ft x 6ft |
Sources: Brian James A Transporter (A4), Ifor Williams DP120. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the A Transporter (A4) if...
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 DP120 if...
- you want one that is rated 1.5 tonnes heavier gross
Ifor Williams DP120, carried by UK dealers and hire companies listed on GetBrent for sale. The big Ifor Williams livestock trailer. At 14ft on three axles it carries a full load of cattle or sheep, and it is bought by farms and contractors moving stock in numbers to market and between holdings.
Listed by
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Brian James A Transporter (A4) and the Ifor Williams DP120?
The Ifor Williams DP120 is rated 1.5 tonnes heavier gross. The Brian James A Transporter (A4) is a open flatbed car transporter, twin axle; the Ifor Williams DP120 is a livestock trailer, tri-axle, 14ft x 6ft.
Can I tow the Brian James A Transporter (A4) or the Ifor Williams DP120 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.