Head to head
Ifor Williams LM166 vs Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)
The Ifor Williams LM166 is 20kg lighter empty and carries 20kg more.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) weighs 20kg more empty.
- Payload: the Ifor Williams LM166 carries 20kg more.
Specifications side by side
| Ifor Williams LM166 | Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 795kg | 815kg |
| Payload | 2705kg | 2685kg |
| Internal bed | 4.77m x 1.98m | - |
| Internal size | - | 3.65 x 1.83 |
| Bed height | - | 430mm |
Sources: Ifor Williams LM166, Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED). 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 20kg lighter empty
- you want one that carries 20kg more
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
- East Midlands Trailers - Leicester, Thrussington
- G-Tec Trailers - Thetford, Holme Hale
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Buy or hire the Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) if...
The larger Challenger 50 beavertail for bigger mini excavators and compact plant. Used by groundworks firms and hire fleets that need extra bed length.
Full Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) specifications →Common questions
What is the difference between the Ifor Williams LM166 and the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?
The Ifor Williams LM166 is 20kg lighter empty and carries 20kg more. The Ifor Williams LM166 is a a long-bed flatbed trailer; the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) is a 12 ft x 6 ft 3.5 tonne beavertail plant trailer.
Which is lighter, the Ifor Williams LM166 or the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?
The Ifor Williams LM166. It is 20kg lighter empty than the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED).
Which carries more, the Ifor Williams LM166 or the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?
The Ifor Williams LM166, by 20kg.
Can I tow the Ifor Williams LM166 or the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) 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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