Head to head
Ifor Williams LM166 vs Lider 39401
The Lider 39401 is 665kg lighter empty. The Ifor Williams LM166 is rated 2,750kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams LM166 weighs 665kg more empty.
- Gross weight: the Ifor Williams LM166 is rated 2,750kg heavier gross.
Specifications side by side
| Ifor Williams LM166 | Lider 39401 | |
|---|---|---|
| Gross weight | 3500kg | 750kg |
| Unladen weight | 795kg | 130kg |
| Payload | 2705kg | - |
| Internal bed | 4.77m x 1.98m | - |
| Internal length | - | 178cm |
| Internal width | - | 126cm |
| Axles | - | 1 |
| Brakes | - | Unbraked |
Sources: Ifor Williams LM166, Lider 39401. 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 39401 if...
- you want one that is 665kg lighter empty
A step up from the 39400E for owners of larger or heavier motorcycles who still want to stay under the unbraked 750kg threshold.
Listed by
- Lider Trailers - Accrington, Blackburn
Common questions
What is the difference between the Ifor Williams LM166 and the Lider 39401?
The Lider 39401 is 665kg lighter empty. The Ifor Williams LM166 is rated 2,750kg heavier gross. The Ifor Williams LM166 is a a long-bed flatbed trailer; the Lider 39401 is a an unbraked single-axle trailer for carrying one motorcycle..
Which is lighter, the Ifor Williams LM166 or the Lider 39401?
The Lider 39401. It is 665kg lighter empty than the Ifor Williams LM166.
Can I tow the Ifor Williams LM166 or the Lider 39401 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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