Head to head
Ifor Williams LM166 vs Lider 39450
The Ifor Williams LM166 is rated 2,750kg heavier gross. The Lider 39450 is 545kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams LM166 is rated 2,750kg heavier gross.
- Unladen weight: the Ifor Williams LM166 weighs 545kg more empty.
Specifications side by side
| Ifor Williams LM166 | Lider 39450 | |
|---|---|---|
| Gross weight | 3500kg | 750kg |
| Unladen weight | 795kg | 250kg |
| Payload | 2705kg | - |
| Internal bed | 4.77m x 1.98m | - |
| Internal length | - | 251cm |
| Internal width | - | 133cm |
| Internal height | - | 40cm |
| Axles | - | 2 |
| Brakes | - | Unbraked |
Sources: Ifor Williams LM166, Lider 39450. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the LM166 if...
- you want one that is rated 2,750kg heavier gross
Bought by contractors and hauliers who regularly carry longer loads, such as fencing materials or several pallets, and need more deck length than the LM106 or LM126 provide.
Listed by
- G-Tec Trailers - Thetford, Holme Hale
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Buy or hire the 39450 if...
- you want one that is 545kg lighter empty
Gives buyers the stability of a twin-axle trailer for garden and general loads while staying under the unbraked weight limit.
Listed by
- Lider Trailers - Accrington, Blackburn
Common questions
What is the difference between the Ifor Williams LM166 and the Lider 39450?
The Ifor Williams LM166 is rated 2,750kg heavier gross. The Lider 39450 is 545kg lighter empty. The Ifor Williams LM166 is a a long-bed flatbed trailer; the Lider 39450 is a an unbraked twin-axle wooden-sided general purpose trailer rated at 750kg gross weight..
Which is lighter, the Ifor Williams LM166 or the Lider 39450?
The Lider 39450. It is 545kg lighter empty than the Ifor Williams LM166.
Can I tow the Ifor Williams LM166 or the Lider 39450 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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