Head to head
Ifor Williams CT166 vs Ifor Williams GX
The Ifor Williams CT166 is rated 800kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams CT166 is rated 800kg heavier gross.
Specifications side by side
| Ifor Williams CT166 | Ifor Williams GX | |
|---|---|---|
| Gross weight | 3500kg | 2700-3500kg |
| Unladen weight | 885kg | - |
| Payload | 2615kg | - |
| Internal bed | 4.87m x 1.90m | - |
Sources: Ifor Williams CT166, Ifor Williams GX. 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 is rated 800kg heavier gross
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 GX if...
Ifor Williams GX, carried by UK dealers and hire companies listed on GetBrent for sale. Plant trailers are the working end of groundworks: contractors and hire firms use them to move mini diggers, dumpers and rollers between sites.
Listed by
- R M Trailer Centre - Middlesbrough, North Ormesby
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Ifor Williams CT166 and the Ifor Williams GX?
The Ifor Williams CT166 is rated 800kg heavier gross. The Ifor Williams CT166 is a a tilt-bed car and machinery transporter trailer; the Ifor Williams GX is a plant trailer range.
Can I tow the Ifor Williams CT166 or the Ifor Williams GX 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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