Head to head
Ifor Williams LM146 vs Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)
The Ifor Williams LM146 is 80kg lighter empty and carries 80kg more.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) weighs 80kg more empty.
- Payload: the Ifor Williams LM146 carries 80kg more.
Specifications side by side
| Ifor Williams LM146 | Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 735kg | 815kg |
| Payload | 2765kg | 2685kg |
| Overall length | 5.60m | - |
| Overall width | 2.10m | - |
| Bed | 4.23m / 13'9" ((internal) length); 1.98m / 6'5" ((internal) width) | - |
| Tyres | 195/60R12C | - |
| Internal size | - | 3.65 x 1.83 |
| Bed height | - | 430mm |
Sources: Ifor Williams LM146, 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 LM146 if...
- you want one that is 80kg lighter empty
- you want one that carries 80kg more
The LM146 is a general-purpose flatbed aimed at landscaping, construction and plumbing trades that need a long, wide load bed with a high payload on a single 3500kg-braked chassis. It is used where loads are bulky or awkwardly shaped rather than plant machinery, which typically goes on the ramped GX range instead.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- G-Tec Trailers - Thetford, Holme Hale
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
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 LM146 and the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?
The Ifor Williams LM146 is 80kg lighter empty and carries 80kg more. The Ifor Williams LM146 is a a twin-axle flatbed goods trailer in the heavier-duty LM range.; 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 LM146 or the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?
The Ifor Williams LM146. It is 80kg lighter empty than the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED).
Which carries more, the Ifor Williams LM146 or the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?
The Ifor Williams LM146, by 80kg.
Can I tow the Ifor Williams LM146 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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