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Head to head

Ifor Williams GH146 vs Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)

The Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) is 95kg lighter empty and carries 95kg more.

Last reviewed 13 September 2026

Ifor Williams GH146
Ifor Williams GH146 - image: blains.co.uk
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 GH146Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)
Gross weight3500kg3500kg
Unladen weight910kg815kg
Payload2590kg2685kg
Internal bed4.285m x 1.84m-
Internal size-3.65 x 1.83
Bed height-430mm

Sources: Ifor Williams GH146, 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 GH146 if...

Aimed at plant hire operators who need the longest bed in the GH range for larger excavators or two smaller machines, with a tri-axle chassis to keep payload up within the 3500kg limit.

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Full GH146 specifications →

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

  • you want one that is 95kg lighter empty
  • you want one that carries 95kg more

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 GH146 and the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?

The Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) is 95kg lighter empty and carries 95kg more. The Ifor Williams GH146 is a a tri-axle long-bed plant trailer; 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 GH146 or the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?

The Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED). It is 95kg lighter empty than the Ifor Williams GH146.

Which carries more, the Ifor Williams GH146 or the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?

The Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED), by 95kg.

Can I tow the Ifor Williams GH146 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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