Head to head
Ifor Williams GP126 vs Ifor Williams TT3621
The Ifor Williams GP126 is 210kg lighter empty and is 4cm longer inside. The Ifor Williams TT3621 is 17cm wider inside.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams TT3621 weighs 210kg more empty.
- Internal width: the Ifor Williams TT3621 is 17cm wider inside.
- Internal length: the Ifor Williams GP126 is 4cm longer inside.
Specifications side by side
| Ifor Williams GP126 | Ifor Williams TT3621 | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 780kg (skids) or 795kg (ramp) | 990kg (195/60R12C tyres) or 1000kg (185/70R13C tyres) |
| Internal length | 3.66m/12' | 3.62m / 11'9" |
| Internal width | 1.78m/5'10" | 1.95m / 6'5" |
| Payload | - | 2510kg (195/60R12C) or 2500kg (185/70R13C) |
Sources: Ifor Williams GP126, Ifor Williams TT3621. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GP126 if...
- you want one that is 210kg lighter empty
- you want one that is 4cm longer inside
A twin-axle general purpose trailer from Ifor Williams's plant range, used to carry mini diggers, dumpers and other small plant, or general building materials. Available with loading ramps or skids.
Listed by
- East Midlands Trailers - Leicester, Thrussington
Buy or hire the TT3621 if...
- you want one that is 17cm 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
- Lancaster trailer hire - ELY
Common questions
What is the difference between the Ifor Williams GP126 and the Ifor Williams TT3621?
The Ifor Williams GP126 is 210kg lighter empty and is 4cm longer inside. The Ifor Williams TT3621 is 17cm wider inside. The Ifor Williams GP126 is a general purpose plant trailer; the Ifor Williams TT3621 is a twin axle tipping trailer, 12ft body, electric tipping.
Which is lighter, the Ifor Williams GP126 or the Ifor Williams TT3621?
The Ifor Williams GP126. It is 210kg lighter empty than the Ifor Williams TT3621.
Can I tow the Ifor Williams GP126 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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