Head to head
Ifor Williams CT166 vs Lider 39440
The Ifor Williams CT166 is rated 2,750kg heavier gross. The Lider 39440 is 690kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams CT166 is rated 2,750kg heavier gross.
- Unladen weight: the Ifor Williams CT166 weighs 690kg more empty.
Specifications side by side
| Ifor Williams CT166 | Lider 39440 | |
|---|---|---|
| Gross weight | 3500kg | 750kg |
| Unladen weight | 885kg | 195kg |
| Payload | 2615kg | - |
| Internal bed | 4.87m x 1.90m | - |
| Internal length | - | 201cm |
| Internal width | - | 133cm |
| Internal height | - | 40cm |
| Axles | - | 1 |
| Brakes | - | Unbraked |
Sources: Ifor Williams CT166, Lider 39440. 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 2,750kg 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 39440 if...
- you want one that is 690kg lighter empty
A budget wood-sided trailer for garden waste, logs and general household loads, sold as a lighter option than the galvanised Tough range.
Listed by
- Lider Trailers - Accrington, Blackburn
Common questions
What is the difference between the Ifor Williams CT166 and the Lider 39440?
The Ifor Williams CT166 is rated 2,750kg heavier gross. The Lider 39440 is 690kg lighter empty. The Ifor Williams CT166 is a a tilt-bed car and machinery transporter trailer; the Lider 39440 is a an unbraked single-axle wooden-sided general purpose trailer rated at 750kg gross weight..
Which is lighter, the Ifor Williams CT166 or the Lider 39440?
The Lider 39440. It is 690kg lighter empty than the Ifor Williams CT166.
Can I tow the Ifor Williams CT166 or the Lider 39440 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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