Head to head
Ifor Williams GX126 vs Ifor Williams TT3621
The Ifor Williams GX126 is 225kg lighter empty and carries 225kg more. The Ifor Williams TT3621 is 11cm wider inside.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams TT3621 weighs 225kg more empty.
- Payload: the Ifor Williams GX126 carries 225kg more.
- Internal width: the Ifor Williams TT3621 is 11cm wider inside.
- Internal length: the Ifor Williams GX126 is 4cm longer inside.
Specifications side by side
| Ifor Williams GX126 | Ifor Williams TT3621 | |
|---|---|---|
| Internal length | 3.66m / 12'0" | 3.62m / 11'9" |
| Internal width | 1.84m / 6'0" | 1.95m / 6'5" |
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 765kg (Skids); 795kg (Ramp) | 990kg (195/60R12C tyres) or 1000kg (185/70R13C tyres) |
| Payload | 2735kg (Skids); 2705kg (Ramp) | 2510kg (195/60R12C) or 2500kg (185/70R13C) |
| Overall length | 5.70m | - |
| Overall width | 2.30m | - |
| Tyres | 155/70R12C | - |
Sources: Ifor Williams GX126, Ifor Williams TT3621. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GX126 if...
- you want one that is 225kg lighter empty
- you want one that carries 225kg more
- you want one that is 4cm longer inside
The GX126 is Ifor Williams' mainstream plant trailer for mini diggers, dumpers and similar machinery on a single-axle-per-side, 3500kg braked chassis. Hirers usually pick the Ramp version for self-loading and the Skids version where a separate loading ramp or forklift is already available.
Full GX126 specifications →Buy or hire the TT3621 if...
- you want one that is 11cm 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 GX126 and the Ifor Williams TT3621?
The Ifor Williams GX126 is 225kg lighter empty and carries 225kg more. The Ifor Williams TT3621 is 11cm wider inside. The Ifor Williams GX126 is a a twin-axle plant trailer available in Skids and Ramp variants for carrying machinery.; the Ifor Williams TT3621 is a twin axle tipping trailer, 12ft body, electric tipping.
Which is lighter, the Ifor Williams GX126 or the Ifor Williams TT3621?
The Ifor Williams GX126. It is 225kg lighter empty than the Ifor Williams TT3621.
Which carries more, the Ifor Williams GX126 or the Ifor Williams TT3621?
The Ifor Williams GX126, by 225kg.
Can I tow the Ifor Williams GX126 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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