Head to head
Ifor Williams TT3621 vs Race Box 610
The Ifor Williams TT3621 is rated 500kg heavier gross.
Last reviewed 13 September 2026

Key differences
- Gross weight: the Ifor Williams TT3621 is rated 500kg heavier gross.
Specifications side by side
| Ifor Williams TT3621 | Race Box 610 | |
|---|---|---|
| Gross weight | 3500kg | 3,000kg |
| 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" | - |
| Bed size | - | 4.50m x 1.95m |
| Axles | - | Twin |
Sources: Ifor Williams TT3621, Race Box 610. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the TT3621 if...
- you want one that is rated 500kg 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.
Listed by
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
- Lancaster trailer hire - ELY
Buy or hire the 610 if...
An enclosed twin axle box trailer used to carry tools, motorsport equipment or goods securely and out of the weather. Its 3,000kg rating covers a loaded box without needing a heavier commercial trailer.
Listed by
- Fieldfare Trailer Centre - Salisbury
Common questions
What is the difference between the Ifor Williams TT3621 and the Race Box 610?
The Ifor Williams TT3621 is rated 500kg heavier gross. The Ifor Williams TT3621 is a twin axle tipping trailer, 12ft body, electric tipping; the Race Box 610 is a twin axle enclosed box trailer.
Can I tow the Ifor Williams TT3621 or the Race Box 610 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.
