Head to head
Ifor Williams TT3621 vs Lider 34392
The Lider 34392 is 700kg lighter empty. The Ifor Williams TT3621 is rated 2.2 tonnes heavier gross and is 61cm (2ft) wider inside.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams TT3621 weighs 700kg more empty.
- Gross weight: the Ifor Williams TT3621 is rated 2.2 tonnes heavier gross.
- Internal width: the Ifor Williams TT3621 is 61cm (2ft) wider inside.
- Internal length: the Ifor Williams TT3621 is 1.09m (3.5ft) longer inside.
Specifications side by side
| Ifor Williams TT3621 | Lider 34392 | |
|---|---|---|
| Gross weight | 3500kg | 1300kg |
| Unladen weight | 990kg (195/60R12C tyres) or 1000kg (185/70R13C tyres) | 290kg |
| Internal length | 3.62m / 11'9" | 253cm |
| Internal width | 1.95m / 6'5" | 134cm |
| Payload | 2510kg (195/60R12C) or 2500kg (185/70R13C) | - |
| Internal height | - | 50cm |
| Axles | - | 1 |
| Brakes | - | Braked |
Sources: Ifor Williams TT3621, Lider 34392. 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 2.2 tonnes heavier gross
- you want one that is 61cm (2ft) wider inside
- you want one that is 1.09m (3.5ft) longer 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 →Buy or hire the 34392 if...
- you want one that is 700kg lighter empty
A tradesman's workhorse trailer for tip runs, building materials and DIY projects, sized so a single axle stays legal while carrying over a tonne of payload.
Full 34392 specifications →Common questions
What is the difference between the Ifor Williams TT3621 and the Lider 34392?
The Lider 34392 is 700kg lighter empty. The Ifor Williams TT3621 is rated 2.2 tonnes heavier gross and is 61cm (2ft) wider inside. The Ifor Williams TT3621 is a twin axle tipping trailer, 12ft body, electric tipping; the Lider 34392 is a a braked single-axle general purpose trailer rated at 1300kg gross weight..
Which is lighter, the Ifor Williams TT3621 or the Lider 34392?
The Lider 34392. It is 700kg lighter empty than the Ifor Williams TT3621.
Can I tow the Ifor Williams TT3621 or the Lider 34392 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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