Head to head
Ifor Williams GX105 vs Ifor Williams TT3621
The Ifor Williams GX105 is 315kg lighter empty. The Ifor Williams TT3621 is rated 800kg heavier gross and carries 485kg more.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams TT3621 weighs 315kg more empty.
- Gross weight: the Ifor Williams TT3621 is rated 800kg heavier gross.
- Payload: the Ifor Williams TT3621 carries 485kg more.
Specifications side by side
| Ifor Williams GX105 | Ifor Williams TT3621 | |
|---|---|---|
| Gross weight | 2700kg | 3500kg |
| Unladen weight | 675kg | 990kg (195/60R12C tyres) or 1000kg (185/70R13C tyres) |
| Payload | 2025kg | 2510kg (195/60R12C) or 2500kg (185/70R13C) |
| Internal bed | 3.03m x 1.57m | - |
| Internal length | - | 3.62m / 11'9" |
| Internal width | - | 1.95m / 6'5" |
Sources: Ifor Williams GX105, Ifor Williams TT3621. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GX105 if...
- you want one that is 315kg lighter empty
A plant hire and groundworks trailer for skid-steers or mini excavators that need a longer bed than the GX84 but not the higher 3500kg gross weight of the GX105HD.
Listed by
- East Midlands Trailers - Leicester, Thrussington
Buy or hire the TT3621 if...
- you want one that is rated 800kg heavier gross
- you want one that carries 485kg 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 Ifor Williams GX105 and the Ifor Williams TT3621?
The Ifor Williams GX105 is 315kg lighter empty. The Ifor Williams TT3621 is rated 800kg heavier gross and carries 485kg more. The Ifor Williams GX105 is a a mid-size plant trailer with a skid or ramp loading option; the Ifor Williams TT3621 is a twin axle tipping trailer, 12ft body, electric tipping.
Which is lighter, the Ifor Williams GX105 or the Ifor Williams TT3621?
The Ifor Williams GX105. It is 315kg lighter empty than the Ifor Williams TT3621.
Which carries more, the Ifor Williams GX105 or the Ifor Williams TT3621?
The Ifor Williams TT3621, by 485kg.
Can I tow the Ifor Williams GX105 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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