Head to head
Ifor Williams CT166 vs Ifor Williams GD84
The Ifor Williams GD84 is 435kg lighter empty. The Ifor Williams CT166 is rated 800kg heavier gross and carries 365kg more.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams CT166 weighs 435kg more empty.
- Gross weight: the Ifor Williams CT166 is rated 800kg heavier gross.
- Payload: the Ifor Williams CT166 carries 365kg more.
Specifications side by side
| Ifor Williams CT166 | Ifor Williams GD84 | |
|---|---|---|
| Gross weight | 3500kg | 2700kg |
| Unladen weight | 885kg | 450kg |
| Payload | 2615kg | 2250kg |
| Internal bed | 4.87m x 1.90m | - |
| Internal length | - | 2.55m |
| Internal width | - | 1.25m |
| Axles | - | Twin |
Sources: Ifor Williams CT166, Ifor Williams GD84. 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
- you want one that carries 365kg 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 GD84 if...
- you want one that is 435kg lighter empty
A everyday farm and smallholding trailer for moving loose loads, logs or small livestock behind a 4x4 or pickup, chosen over the single-axle GD84 when the extra payload of a twin-axle chassis is needed.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Common questions
What is the difference between the Ifor Williams CT166 and the Ifor Williams GD84?
The Ifor Williams GD84 is 435kg lighter empty. The Ifor Williams CT166 is rated 800kg heavier gross and carries 365kg more. The Ifor Williams CT166 is a a tilt-bed car and machinery transporter trailer; the Ifor Williams GD84 is a a general-purpose dropside trailer.
Which is lighter, the Ifor Williams CT166 or the Ifor Williams GD84?
The Ifor Williams GD84. It is 435kg lighter empty than the Ifor Williams CT166.
Which carries more, the Ifor Williams CT166 or the Ifor Williams GD84?
The Ifor Williams CT166, by 365kg.
Can I tow the Ifor Williams CT166 or the Ifor Williams GD84 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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