Head to head
Ifor Williams GD105 vs Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)
The Ifor Williams GD105 is 230kg lighter empty. The Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) is rated 800kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) weighs 230kg more empty.
- Gross weight: the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) is rated 800kg heavier gross.
Specifications side by side
| Ifor Williams GD105 | Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) | |
|---|---|---|
| Gross weight | 2,700kg | 3500kg |
| Unladen weight | 585kg | 815kg |
| Internal bed | 3.11m x 1.58m (10ft 2in x 5ft 2in) | - |
| Brakes | Braked | - |
| Payload | - | 2685kg |
| Internal size | - | 3.65 x 1.83 |
| Bed height | - | 430mm |
Sources: Ifor Williams GD105, 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 GD105 if...
- you want one that is 230kg lighter empty
The same market as the GD85 with about 60cm more bed length, which is the difference between fitting a load and not. Landscapers and anyone moving long materials or a quad choose it for the length rather than the payload, which is unchanged.
Listed by
- Blendworth Trailers - Rowland's Castle
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Buy or hire the Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) if...
- you want one that is rated 800kg heavier gross
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 GD105 and the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?
The Ifor Williams GD105 is 230kg lighter empty. The Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) is rated 800kg heavier gross. The Ifor Williams GD105 is a general duty box trailer, twin axle, longer bed; 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 GD105 or the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?
The Ifor Williams GD105. It is 230kg lighter empty than the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED).
Can I tow the Ifor Williams GD105 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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