Head to head
Ifor Williams CT166 vs Ifor Williams Q Range
The Ifor Williams CT166 is rated 2.5 tonnes heavier gross. The Ifor Williams Q Range is 585kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams CT166 is rated 2.5 tonnes heavier gross.
- Unladen weight: the Ifor Williams CT166 weighs 585kg more empty.
Specifications side by side
| Ifor Williams CT166 | Ifor Williams Q Range | |
|---|---|---|
| Gross weight | 3500kg | 1000kg (braked Q) |
| Unladen weight | 885kg | 300kg (Q6b) |
| Payload | 2615kg | - |
| Internal bed | 4.87m x 1.90m | - |
| Internal length | - | 1.95m (Q6b) |
| Internal width | - | 1.22m (Q6b) |
Sources: Ifor Williams CT166, Ifor Williams Q Range. 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 2.5 tonnes 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 Q Range if...
- you want one that is 585kg lighter empty
A compact trailer aimed at farm and domestic users who need something smaller and lighter than the General Duty range for routine loads around a smallholding or garden.
Listed by
- John Page Trailers Ltd - Ashford, Biddenden
Common questions
What is the difference between the Ifor Williams CT166 and the Ifor Williams Q Range?
The Ifor Williams CT166 is rated 2.5 tonnes heavier gross. The Ifor Williams Q Range is 585kg lighter empty. The Ifor Williams CT166 is a a tilt-bed car and machinery transporter trailer; the Ifor Williams Q Range is a compact general-purpose trailer for agricultural and domestic use, in braked (Q) and unbraked (Unbraked Q) versions.
Which is lighter, the Ifor Williams CT166 or the Ifor Williams Q Range?
The Ifor Williams Q Range. It is 585kg lighter empty than the Ifor Williams CT166.
Can I tow the Ifor Williams CT166 or the Ifor Williams Q Range 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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