Head to head
Brian James C4 vs Ifor Williams TT3621
The Ifor Williams TT3621 is rated 900kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams TT3621 is rated 900kg heavier gross.
Specifications side by side
| Brian James C4 | Ifor Williams TT3621 | |
|---|---|---|
| Gross weight | 2600kg | 3500kg |
| Axles | Twin | - |
| Size | 2m x 4.5m loading area | - |
| Unladen weight | - | 990kg (195/60R12C tyres) or 1000kg (185/70R13C tyres) |
| Payload | - | 2510kg (195/60R12C) or 2500kg (185/70R13C) |
| Internal length | - | 3.62m / 11'9" |
| Internal width | - | 1.95m / 6'5" |
Sources: Brian James C4, Ifor Williams TT3621. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the C4 if...
Brian James C4, carried by UK dealers and hire companies listed on GetBrent for hire. Car transporters in this class are hired and bought by track-day drivers, classic car owners and recovery firms who need to move a vehicle without driving it.
Listed by
- Cobham Trailer Hire - Cobham, East Horsley
- R M Trailer Centre - Middlesbrough, North Ormesby
Buy or hire the TT3621 if...
- you want one that is rated 900kg heavier gross
The largest Ifor Williams tipper. A 3.6m by 1.95m body is chosen for bulky, lighter loads - green waste, clearance and bark - where volume runs out before weight does, and it is a staple of plant and tool hire fleets. Formerly sold as the TT126.
Full TT3621 specifications →Common questions
What is the difference between the Brian James C4 and the Ifor Williams TT3621?
The Ifor Williams TT3621 is rated 900kg heavier gross. The Brian James C4 is a car transporter trailer; the Ifor Williams TT3621 is a twin axle tipping trailer, 12ft body, electric tipping.
Can I tow the Brian James C4 or the Ifor Williams TT3621 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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