Head to head
Ifor Williams HB403 vs Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)
The Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) carries 1,852kg more and is rated 1.9 tonnes heavier gross. The Ifor Williams HB403 is 48kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Payload: the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) carries 1,852kg more.
- Gross weight: the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) is rated 1.9 tonnes heavier gross.
- Unladen weight: the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) weighs 48kg more empty.
Specifications side by side
| Ifor Williams HB403 | Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) | |
|---|---|---|
| Gross weight | 1600kg | 3500kg |
| Unladen weight | 767kg | 815kg |
| Payload | 833kg | 2685kg |
| Internal length | 3.08m | - |
| Internal width | 1.30m | - |
| Internal size | - | 3.65 x 1.83 |
| Bed height | - | 430mm |
Sources: Ifor Williams HB403, 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 HB403 if...
- you want one that is 48kg lighter empty
The smallest trailer in the HB horsebox range, bought by owners of a single horse or a couple of ponies who want the lightest legal option that can still be towed by a mid-size car.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Buy or hire the Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) if...
- you want one that carries 1,852kg more
- you want one that is rated 1.9 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 HB403 and the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?
The Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) carries 1,852kg more and is rated 1.9 tonnes heavier gross. The Ifor Williams HB403 is 48kg lighter empty. The Ifor Williams HB403 is a a compact single-horse or two-pony 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 HB403 or the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?
The Ifor Williams HB403. It is 48kg lighter empty than the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED).
Which carries more, the Ifor Williams HB403 or the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?
The Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED), by 1,852kg.
Can I tow the Ifor Williams HB403 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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