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Head to head

Ifor Williams GX105 HD vs Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)

The Ifor Williams GX105 HD is 125kg lighter empty and carries 125kg more.

Last reviewed 13 September 2026

Ifor Williams GX105 HD
Ifor Williams GX105 HD - image: GT Towing
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 GX105 HDIndespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)
Gross weight3500kg3500kg
Unladen weight690kg815kg
Payload2810kg2685kg
Internal bed3.03m x 1.57m-
Internal size-3.65 x 1.83
Bed height-430mm

Sources: Ifor Williams GX105 HD, 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 GX105 HD if...

  • you want one that is 125kg lighter empty
  • you want one that carries 125kg more

For plant hire operators moving heavier compact machinery on the same bed footprint as the GX105, where the standard trailer's 2700kg gross weight would leave too little payload.

Listed by

Full GX105 HD specifications →

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 GX105 HD and the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?

The Ifor Williams GX105 HD is 125kg lighter empty and carries 125kg more. The Ifor Williams GX105 HD is a a heavy-duty version of the GX105 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 GX105 HD or the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?

The Ifor Williams GX105 HD. It is 125kg lighter empty than the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED).

Which carries more, the Ifor Williams GX105 HD or the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?

The Ifor Williams GX105 HD, by 125kg.

Can I tow the Ifor Williams GX105 HD 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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