Head to head
Ifor Williams LM166 vs Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS)
The Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS) is 50kg lighter empty and carries 50kg more.
Last reviewed 13 September 2026
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Key differences
- Unladen weight: the Ifor Williams LM166 weighs 50kg more empty.
- Payload: the Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS) carries 50kg more.
Specifications side by side
| Ifor Williams LM166 | Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS) | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 795kg | 745kg |
| Payload | 2705kg | 2755kg |
| Internal bed | 4.77m x 1.98m | - |
| Internal size | - | 3.04 x 1.68 |
| Bed height | - | 430mm |
Sources: Ifor Williams LM166, Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS). Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the LM166 if...
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 10 x 5 (AD35105BTS) if...
- you want one that is 50kg lighter empty
- you want one that carries 50kg more
A UK built galvanised plant trailer with a low loading beavertail for mini diggers, scissor lifts and rollers. Common on mini digger hire fleets and with small groundworks firms.
Full Challenger 50 Beavertail 10 x 5 (AD35105BTS) specifications →Common questions
What is the difference between the Ifor Williams LM166 and the Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS)?
The Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS) is 50kg lighter empty and carries 50kg more. The Ifor Williams LM166 is a a long-bed flatbed trailer; the Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS) is a 10 ft x 5 ft 3.5 tonne beavertail plant trailer.
Which is lighter, the Ifor Williams LM166 or the Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS)?
The Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS). It is 50kg lighter empty than the Ifor Williams LM166.
Which carries more, the Ifor Williams LM166 or the Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS)?
The Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS), by 50kg.
Can I tow the Ifor Williams LM166 or the Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS) 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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