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Ifor Williams General Duty vs Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)

The Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) is rated 2.1 tonnes heavier gross.

Last reviewed 13 September 2026

Ifor Williams General Duty
Ifor Williams General Duty - image: Ifor Williams Trailers
Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)
Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) - image: Indespension

Key differences

Specifications side by side

Ifor Williams General DutyIndespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)
Gross weight1400kg to 2700kg depending on model3500kg
Internal length1.84m (6ft) to 3.71m (12ft 2in)-
Internal width1.23m (4ft) to 1.71m (5ft 6in)-
AxlesSingle or twin axle-
Unladen weight-815kg
Payload-2685kg
Internal size-3.65 x 1.83
Bed height-430mm

Sources: Ifor Williams General Duty, 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 General Duty if...

Ifor Williams's entry-level flatbed range, bought by householders, gardeners and small trades for tip runs, garden waste and general loads. It is the trailer most UK hire yards keep several of, since one size or another suits almost any small job.

Listed by

Full General Duty specifications →

Buy or hire the Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) if...

  • you want one that is rated 2.1 tonnes 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 General Duty and the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?

The Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) is rated 2.1 tonnes heavier gross. The Ifor Williams General Duty is a small flatbed/general purpose trailer range; the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) is a 12 ft x 6 ft 3.5 tonne beavertail plant trailer.

Can I tow the Ifor Williams General Duty 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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