Head to head
Ifor Williams TT3621 vs Lider 39600
The Lider 39600 is 440kg lighter empty. The Ifor Williams TT3621 is rated 1 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams TT3621 weighs 440kg more empty.
- Gross weight: the Ifor Williams TT3621 is rated 1 tonnes heavier gross.
Specifications side by side
| Ifor Williams TT3621 | Lider 39600 | |
|---|---|---|
| Gross weight | 3500kg | 2500kg |
| Unladen weight | 990kg (195/60R12C tyres) or 1000kg (185/70R13C tyres) | 550kg |
| Payload | 2510kg (195/60R12C) or 2500kg (185/70R13C) | - |
| Internal length | 3.62m / 11'9" | - |
| Internal width | 1.95m / 6'5" | - |
| Internal bed | - | 256 x 148 x 30cm |
| Axles | - | 2 |
| Brakes | - | Braked |
Sources: Ifor Williams TT3621, Lider 39600. 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 1 tonnes 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 39600 if...
- you want one that is 440kg lighter empty
A serious tipping trailer for groundworkers and smallholders shifting muck, aggregate or spoil in bulk, with braked axles for towing at higher payloads.
Full 39600 specifications →Common questions
What is the difference between the Ifor Williams TT3621 and the Lider 39600?
The Lider 39600 is 440kg lighter empty. The Ifor Williams TT3621 is rated 1 tonnes heavier gross. The Ifor Williams TT3621 is a twin axle tipping trailer, 12ft body, electric tipping; the Lider 39600 is a a braked twin-axle tipping trailer rated at 2500kg gross weight..
Which is lighter, the Ifor Williams TT3621 or the Lider 39600?
The Lider 39600. It is 440kg lighter empty than the Ifor Williams TT3621.
Can I tow the Ifor Williams TT3621 or the Lider 39600 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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