Head to head
Brian James Box Van 600 vs Ifor Williams TT3621
The Ifor Williams TT3621 carries 681kg more and is rated 800kg heavier gross.
Last reviewed 13 September 2026


Key differences
- Payload: the Ifor Williams TT3621 carries 681kg more.
- Gross weight: the Ifor Williams TT3621 is rated 800kg heavier gross.
Specifications side by side
| Brian James Box Van 600 | Ifor Williams TT3621 | |
|---|---|---|
| Gross weight | 2700kg | 3500kg |
| Payload | 1829kg | 2510kg (195/60R12C) or 2500kg (185/70R13C) |
| Internal bed | 3.0m x 1.6m | - |
| Axles | Twin (12in wheels) | - |
| Unladen weight | - | 990kg (195/60R12C tyres) or 1000kg (185/70R13C tyres) |
| Internal length | - | 3.62m / 11'9" |
| Internal width | - | 1.95m / 6'5" |
Sources: Brian James Box Van 600, Ifor Williams TT3621. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Box Van 600 if...
Bought by tradespeople and small delivery operators who need goods kept dry and out of sight rather than carried on an open flatbed. Its 2700kg rating keeps it inside the range towable by many car-derived vans.
Full Box Van 600 specifications →Buy or hire the TT3621 if...
- you want one that carries 681kg more
- you want one that is rated 800kg 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 Box Van 600 and the Ifor Williams TT3621?
The Ifor Williams TT3621 carries 681kg more and is rated 800kg heavier gross. The Brian James Box Van 600 is a a small enclosed twin-axle box van trailer; the Ifor Williams TT3621 is a twin axle tipping trailer, 12ft body, electric tipping.
Which carries more, the Brian James Box Van 600 or the Ifor Williams TT3621?
The Ifor Williams TT3621, by 681kg.
Can I tow the Brian James Box Van 600 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.
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.
