Head to head
Brian James A Transporter (A4) vs Ifor Williams General Duty
The Brian James A Transporter (A4) is rated 600kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Brian James A Transporter (A4) is rated 600kg heavier gross.
Specifications side by side
| Brian James A Transporter (A4) | Ifor Williams General Duty | |
|---|---|---|
| Gross weight | 2,000kg to 3,000kg depending on variant | 1400kg to 2700kg depending on model |
| Bed | 3.7m x 1.8m up to 5.0m x 2.0m depending on variant | - |
| Brakes | Braked, tandem axle | - |
| Internal length | - | 1.84m (6ft) to 3.71m (12ft 2in) |
| Internal width | - | 1.23m (4ft) to 1.71m (5ft 6in) |
| Axles | - | Single or twin axle |
Sources: Brian James A Transporter (A4), Ifor Williams General Duty. 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 600kg 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 General Duty if...
Ifor Williams's entry-level flatbed range, bought by householders, gardeners and small trades for tip runs, garden waste and general loads. It is the trailer most UK hire yards keep several of, since one size or another suits almost any small job.
Listed by
- John Page Trailers Ltd - Ashford, Biddenden
Common questions
What is the difference between the Brian James A Transporter (A4) and the Ifor Williams General Duty?
The Brian James A Transporter (A4) is rated 600kg heavier gross. The Brian James A Transporter (A4) is a open flatbed car transporter, twin axle; the Ifor Williams General Duty is a small flatbed/general purpose trailer range.
Can I tow the Brian James A Transporter (A4) or the Ifor Williams General Duty 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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