Head to head
Ifor Williams HB510XL vs Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)
The Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) is 475kg lighter empty and carries 475kg more.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB510XL weighs 475kg more empty.
- Payload: the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) carries 475kg more.
Specifications side by side
| Ifor Williams HB510XL | Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 1290kg | 815kg |
| Payload | 2210kg | 2685kg |
| Internal length | 4.25m | - |
| Internal width | 1.74m | - |
| Internal size | - | 3.65 x 1.83 |
| Bed height | - | 430mm |
Sources: Ifor Williams HB510XL, 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 HB510XL if...
For owners of taller or longer horses who find the standard HB511 too tight, giving extra internal length on the same 3500kg chassis so it stays towable by a suitably rated 4x4.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
Buy or hire the Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) if...
- you want one that is 475kg lighter empty
- you want one that carries 475kg 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 HB510XL and the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?
The Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) is 475kg lighter empty and carries 475kg more. The Ifor Williams HB510XL is a an extra-length double horsebox 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 HB510XL or the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?
The Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED). It is 475kg lighter empty than the Ifor Williams HB510XL.
Which carries more, the Ifor Williams HB510XL or the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?
The Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED), by 475kg.
Can I tow the Ifor Williams HB510XL 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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