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Ifor Williams Q Range vs Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)

The Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) is rated 2.5 tonnes heavier gross. The Ifor Williams Q Range is 515kg lighter empty.

Last reviewed 13 September 2026

Ifor Williams Q Range
Ifor Williams Q Range - 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 Q RangeIndespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)
Gross weight1000kg (braked Q)3500kg
Unladen weight300kg (Q6b)815kg
Internal length1.95m (Q6b)-
Internal width1.22m (Q6b)-
Payload-2685kg
Internal size-3.65 x 1.83
Bed height-430mm

Sources: Ifor Williams Q Range, 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 Q Range if...

  • you want one that is 515kg lighter empty

A compact trailer aimed at farm and domestic users who need something smaller and lighter than the General Duty range for routine loads around a smallholding or garden.

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Full Q Range specifications →

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

  • you want one that is rated 2.5 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 Q Range and the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?

The Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) is rated 2.5 tonnes heavier gross. The Ifor Williams Q Range is 515kg lighter empty. The Ifor Williams Q Range is a compact general-purpose trailer for agricultural and domestic use, in braked (Q) and unbraked (Unbraked Q) versions; 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 Q Range or the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?

The Ifor Williams Q Range. It is 515kg lighter empty than the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED).

Can I tow the Ifor Williams Q Range 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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