Head to head
Ifor Williams CT166 vs Ifor Williams GH94BT
The Ifor Williams CT166 has a bed 2.08m (7ft) longer and is rated 800kg heavier gross. The Ifor Williams GH94BT is 355kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Internal bed: the Ifor Williams CT166 has a bed 2.08m (7ft) longer.
- Unladen weight: the Ifor Williams CT166 weighs 355kg more empty.
- Gross weight: the Ifor Williams CT166 is rated 800kg heavier gross.
- Payload: the Ifor Williams CT166 carries 445kg more.
Specifications side by side
| Ifor Williams CT166 | Ifor Williams GH94BT | |
|---|---|---|
| Gross weight | 3500kg | 2700kg |
| Unladen weight | 885kg | 530kg |
| Payload | 2615kg | 2170kg |
| Internal bed | 4.87m x 1.90m | 2.79m x 1.31m |
Sources: Ifor Williams CT166, Ifor Williams GH94BT. 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 2.08m (7ft) longer
- you want one that is rated 800kg heavier gross
- you want one that carries 445kg 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 GH94BT if...
- you want one that is 355kg lighter empty
Chosen over the standard GH94 by operators who want the heavier-duty BT chassis and tyres for regular loaded towing rather than occasional use, at the cost of a little unladen weight and payload.
Listed by
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Ifor Williams CT166 and the Ifor Williams GH94BT?
The Ifor Williams CT166 has a bed 2.08m (7ft) longer and is rated 800kg heavier gross. The Ifor Williams GH94BT is 355kg lighter empty. The Ifor Williams CT166 is a a tilt-bed car and machinery transporter trailer; the Ifor Williams GH94BT is a a braked-tandem version of the GH94 plant trailer.
Which is lighter, the Ifor Williams CT166 or the Ifor Williams GH94BT?
The Ifor Williams GH94BT. It is 355kg lighter empty than the Ifor Williams CT166.
Which carries more, the Ifor Williams CT166 or the Ifor Williams GH94BT?
The Ifor Williams CT166, by 445kg.
Can I tow the Ifor Williams CT166 or the Ifor Williams GH94BT 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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