Head to head
Ifor Williams TT3621 vs Lider 29420
The Lider 29420 is 850kg lighter empty. The Ifor Williams TT3621 is rated 2,750kg heavier gross and is 1.84m (6ft) longer inside.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams TT3621 weighs 850kg more empty.
- Gross weight: the Ifor Williams TT3621 is rated 2,750kg heavier gross.
- Internal length: the Ifor Williams TT3621 is 1.84m (6ft) longer inside.
- Internal width: the Ifor Williams TT3621 is 28cm wider inside.
Specifications side by side
| Ifor Williams TT3621 | Lider 29420 | |
|---|---|---|
| Gross weight | 3500kg | 750kg |
| Unladen weight | 990kg (195/60R12C tyres) or 1000kg (185/70R13C tyres) | 140kg |
| Internal length | 3.62m / 11'9" | 178cm |
| Internal width | 1.95m / 6'5" | 167cm |
| Payload | 2510kg (195/60R12C) or 2500kg (185/70R13C) | - |
| Axles | - | 1 |
| Brakes | - | Unbraked |
Sources: Ifor Williams TT3621, Lider 29420. 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
- you want one that is 1.84m (6ft) longer inside
- you want one that is 28cm 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.
Listed by
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Buy or hire the 29420 if...
- you want one that is 850kg lighter empty
Bought by motorcyclists and small bike dealers who want the lightest legal way to move one machine; its low unladen weight keeps it towable behind a small car and avoids the extra cost of a braked chassis.
Listed by
- Lider Trailers - Accrington, Blackburn
Common questions
What is the difference between the Ifor Williams TT3621 and the Lider 29420?
The Lider 29420 is 850kg lighter empty. The Ifor Williams TT3621 is rated 2,750kg heavier gross and is 1.84m (6ft) longer inside. The Ifor Williams TT3621 is a twin axle tipping trailer, 12ft body, electric tipping; the Lider 29420 is a a small unbraked single-axle trailer for carrying one motorcycle..
Which is lighter, the Ifor Williams TT3621 or the Lider 29420?
The Lider 29420. It is 850kg lighter empty than the Ifor Williams TT3621.
Can I tow the Ifor Williams TT3621 or the Lider 29420 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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