Head to head
Bateson 12LT vs Ifor Williams TT3621
The Bateson 12LT is 640kg lighter empty. The Ifor Williams TT3621 is rated 2.2 tonnes heavier gross and carries 1,560kg more.
Last reviewed 13 September 2026

Key differences
- Unladen weight: the Ifor Williams TT3621 weighs 640kg more empty.
- Gross weight: the Ifor Williams TT3621 is rated 2.2 tonnes heavier gross.
- Payload: the Ifor Williams TT3621 carries 1,560kg more.
- Internal length: the Ifor Williams TT3621 is 1.82m (6ft) longer inside.
- Internal width: the Ifor Williams TT3621 is 75cm (2.5ft) wider inside.
Specifications side by side
| Bateson 12LT | Ifor Williams TT3621 | |
|---|---|---|
| Internal length | 1800mm / 5'11" | 3.62m / 11'9" |
| Internal width | 1200mm / 3'11" | 1.95m / 6'5" |
| Gross weight | 1300kg | 3500kg |
| Unladen weight | 350kg | 990kg (195/60R12C tyres) or 1000kg (185/70R13C tyres) |
| Payload | 950kg | 2510kg (195/60R12C) or 2500kg (185/70R13C) |
| Internal height | 1200mm / 3'11" | - |
Sources: Bateson 12LT, Ifor Williams TT3621. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the 12LT if...
- you want one that is 640kg lighter empty
The 12LT is Bateson's entry-level livestock trailer, the only single-axle model in its livestock range, aimed at smallholders and farmers moving calves, sheep or pigs in smaller numbers than a full cattle trailer would carry. Its low GVW keeps it towable by smaller 4x4s and pickups.
Full 12LT specifications →Buy or hire the TT3621 if...
- you want one that is rated 2.2 tonnes heavier gross
- you want one that carries 1,560kg more
- you want one that is 1.82m (6ft) longer inside
- you want one that is 75cm (2.5ft) wider inside
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 Bateson 12LT and the Ifor Williams TT3621?
The Bateson 12LT is 640kg lighter empty. The Ifor Williams TT3621 is rated 2.2 tonnes heavier gross and carries 1,560kg more. The Bateson 12LT is a the smallest trailer in Bateson's livestock range, a single-axle trailer for calves, sheep and pigs.; the Ifor Williams TT3621 is a twin axle tipping trailer, 12ft body, electric tipping.
Which is lighter, the Bateson 12LT or the Ifor Williams TT3621?
The Bateson 12LT. It is 640kg lighter empty than the Ifor Williams TT3621.
Which carries more, the Bateson 12LT or the Ifor Williams TT3621?
The Ifor Williams TT3621, by 1,560kg.
Can I tow the Bateson 12LT 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.
