Head to head
Bockmann TL-ALK 2513/135 vs Ifor Williams TT3621
The Ifor Williams TT3621 is rated 2,150kg heavier gross and carries 1,404kg more.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams TT3621 is rated 2,150kg heavier gross.
- Payload: the Ifor Williams TT3621 carries 1,404kg more.
Specifications side by side
| Bockmann TL-ALK 2513/135 | Ifor Williams TT3621 | |
|---|---|---|
| Gross weight | 1350kg | 3500kg |
| Payload | 1106kg | 2510kg (195/60R12C) or 2500kg (185/70R13C) |
| Internal bed | 2515mm x 1300mm | - |
| Axles | 1 | - |
| Brakes | Braked (overrun) | - |
| Unladen weight | - | 990kg (195/60R12C tyres) or 1000kg (185/70R13C tyres) |
| Internal length | - | 3.62m / 11'9" |
| Internal width | - | 1.95m / 6'5" |
Sources: Bockmann TL-ALK 2513/135, Ifor Williams TT3621. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the TL-ALK 2513/135 if...
A single-axle box trailer that also tips, giving private and trade users a lightweight option for both general loads and loose materials. It fits within a car's braked towing limit for many vehicles.
Listed by
- Böckmann UK Trailers & Horseboxes - Cinderford, Littledean
Buy or hire the TT3621 if...
- you want one that is rated 2,150kg heavier gross
- you want one that carries 1,404kg more
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
Common questions
What is the difference between the Bockmann TL-ALK 2513/135 and the Ifor Williams TT3621?
The Ifor Williams TT3621 is rated 2,150kg heavier gross and carries 1,404kg more. The Bockmann TL-ALK 2513/135 is a small tipping low-loader box trailer; the Ifor Williams TT3621 is a twin axle tipping trailer, 12ft body, electric tipping.
Which carries more, the Bockmann TL-ALK 2513/135 or the Ifor Williams TT3621?
The Ifor Williams TT3621, by 1,404kg.
Can I tow the Bockmann TL-ALK 2513/135 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.
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