Head to head
Brian James C4 Transporter vs Ifor Williams General Duty
The Brian James C4 Transporter is a car transporter trailer. The Ifor Williams General Duty is a small flatbed/general purpose trailer range.
Last reviewed 13 September 2026
Specifications side by side
| Brian James C4 Transporter | Ifor Williams General Duty | |
|---|---|---|
| Gross weight | 2000-2600kg (range across C4 variants) | 1400kg to 2700kg depending on model |
| Axles | 2 | Single or twin axle |
| Deck length | 12ft 2in (3.7m) loading area, up to 16ft overall | - |
| Deck width | 5ft 10in - 6ft | - |
| Ramps | 8ft loading ramps included | - |
| Internal length | - | 1.84m (6ft) to 3.71m (12ft 2in) |
| Internal width | - | 1.23m (4ft) to 1.71m (5ft 6in) |
Sources: Brian James C4 Transporter, Ifor Williams General Duty. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the C4 Transporter if...
A twin-axle trailer for moving a single car, van or small plant item, used by garages, racers and recovery firms. It is light enough for many family cars to tow while still carrying a saloon or hatchback on its own wheels.
Listed by
- Lancaster trailer hire - ELY
- Derby Trailer Hire Limited - Derby
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 C4 Transporter and the Ifor Williams General Duty?
The Brian James C4 Transporter is a car transporter trailer; the Ifor Williams General Duty is a small flatbed/general purpose trailer range.
Can I tow the Brian James C4 Transporter 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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