Head to head
Ifor Williams GX126 vs Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)
The Ifor Williams GX126 is 50kg lighter empty and carries 50kg more.
Last reviewed 13 September 2026


Key differences
- Unladen weight: the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) weighs 50kg more empty.
- Payload: the Ifor Williams GX126 carries 50kg more.
Specifications side by side
| Ifor Williams GX126 | Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 765kg (Skids); 795kg (Ramp) | 815kg |
| Payload | 2735kg (Skids); 2705kg (Ramp) | 2685kg |
| Overall length | 5.70m | - |
| Overall width | 2.30m | - |
| Internal length | 3.66m / 12'0" | - |
| Internal width | 1.84m / 6'0" | - |
| Tyres | 155/70R12C | - |
| Internal size | - | 3.65 x 1.83 |
| Bed height | - | 430mm |
Sources: Ifor Williams GX126, 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 GX126 if...
- you want one that is 50kg lighter empty
- you want one that carries 50kg more
The GX126 is Ifor Williams' mainstream plant trailer for mini diggers, dumpers and similar machinery on a single-axle-per-side, 3500kg braked chassis. Hirers usually pick the Ramp version for self-loading and the Skids version where a separate loading ramp or forklift is already available.
Full GX126 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 GX126 and the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?
The Ifor Williams GX126 is 50kg lighter empty and carries 50kg more. The Ifor Williams GX126 is a a twin-axle plant trailer available in Skids and Ramp variants for carrying machinery.; 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 GX126 or the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?
The Ifor Williams GX126. It is 50kg lighter empty than the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED).
Which carries more, the Ifor Williams GX126 or the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?
The Ifor Williams GX126, by 50kg.
Can I tow the Ifor Williams GX126 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.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.
