Head to head
Ifor Williams TT3621 vs Lider 39370
The Ifor Williams TT3621 is rated 2,750kg heavier gross. The Lider 39370 is 740kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams TT3621 is rated 2,750kg heavier gross.
- Unladen weight: the Ifor Williams TT3621 weighs 740kg more empty.
Specifications side by side
| Ifor Williams TT3621 | Lider 39370 | |
|---|---|---|
| Gross weight | 3500kg | 750kg |
| Unladen weight | 990kg (195/60R12C tyres) or 1000kg (185/70R13C tyres) | 250kg |
| Payload | 2510kg (195/60R12C) or 2500kg (185/70R13C) | - |
| Internal length | 3.62m / 11'9" | - |
| Internal width | 1.95m / 6'5" | - |
| Internal bed | - | 304 x 171 x 10cm |
| Axles | - | 1 |
| Brakes | - | Unbraked |
Sources: Ifor Williams TT3621, Lider 39370. 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 2,750kg 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 →Buy or hire the 39370 if...
- you want one that is 740kg lighter empty
A longer-bedded alternative to the 39360 for buyers who want more deck length for ladders or sheet materials while staying unbraked.
Full 39370 specifications →Common questions
What is the difference between the Ifor Williams TT3621 and the Lider 39370?
The Ifor Williams TT3621 is rated 2,750kg heavier gross. The Lider 39370 is 740kg lighter empty. The Ifor Williams TT3621 is a twin axle tipping trailer, 12ft body, electric tipping; the Lider 39370 is a an unbraked single-axle tilt-bed flatbed trailer rated at 750kg gross weight..
Which is lighter, the Ifor Williams TT3621 or the Lider 39370?
The Lider 39370. It is 740kg lighter empty than the Ifor Williams TT3621.
Can I tow the Ifor Williams TT3621 or the Lider 39370 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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