Head to head
Ifor Williams CT166 vs Ifor Williams GX105
The Ifor Williams CT166 has a bed 1.84m (6ft) longer and is rated 800kg heavier gross. The Ifor Williams GX105 is 210kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Internal bed: the Ifor Williams CT166 has a bed 1.84m (6ft) longer.
- Unladen weight: the Ifor Williams CT166 weighs 210kg more empty.
- Gross weight: the Ifor Williams CT166 is rated 800kg heavier gross.
- Payload: the Ifor Williams CT166 carries 590kg more.
Specifications side by side
| Ifor Williams CT166 | Ifor Williams GX105 | |
|---|---|---|
| Gross weight | 3500kg | 2700kg |
| Unladen weight | 885kg | 675kg |
| Payload | 2615kg | 2025kg |
| Internal bed | 4.87m x 1.90m | 3.03m x 1.57m |
Sources: Ifor Williams CT166, Ifor Williams GX105. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the CT166 if...
- you want one that has a bed 1.84m (6ft) longer
- you want one that is rated 800kg heavier gross
- you want one that carries 590kg more
Bought by garages, recovery operators and plant hire firms who load low vehicles or compact machinery by tilting the deck to ground level instead of driving up loading ramps. The narrower CT166 bed suits standard cars and single machines.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Buy or hire the GX105 if...
- you want one that is 210kg 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
Common questions
What is the difference between the Ifor Williams CT166 and the Ifor Williams GX105?
The Ifor Williams CT166 has a bed 1.84m (6ft) longer and is rated 800kg heavier gross. The Ifor Williams GX105 is 210kg lighter empty. The Ifor Williams CT166 is a a tilt-bed car and machinery transporter trailer; the Ifor Williams GX105 is a a mid-size plant trailer with a skid or ramp loading option.
Which is lighter, the Ifor Williams CT166 or the Ifor Williams GX105?
The Ifor Williams GX105. It is 210kg lighter empty than the Ifor Williams CT166.
Which carries more, the Ifor Williams CT166 or the Ifor Williams GX105?
The Ifor Williams CT166, by 590kg.
Can I tow the Ifor Williams CT166 or the Ifor Williams GX105 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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