Head to head
Equi-Trek Sonic 3,500kg vs Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)
The Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) is 1,505kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Equi-Trek Sonic 3,500kg weighs 1,505kg more empty.
Specifications side by side
| Equi-Trek Sonic 3,500kg | Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 2320kg | 815kg |
| Payload | - | 2685kg |
| Internal size | - | 3.65 x 1.83 |
| Bed height | - | 430mm |
Sources: Equi-Trek Sonic 3,500kg, 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 Sonic 3,500kg if...
A compact motorised horsebox pitched as easy to drive day to day, for owners of one or two horses who want a small horsebox rather than a trailer and tow car. It is one of Equi-Trek's lower-cost motorised models.
Listed by
- Trek-Trailers Lincolnshire - Doncaster, Belton
- Trek-Trailers Suffolk - Bury Saint Edmunds
- Trek-Trailers Three Counties - Hereford
Buy or hire the Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) if...
- you want one that is 1,505kg lighter empty
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 Equi-Trek Sonic 3,500kg and the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?
The Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) is 1,505kg lighter empty. The Equi-Trek Sonic 3,500kg is a compact 3.5 tonne motorised 2-horse horsebox; 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 Equi-Trek Sonic 3,500kg or the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?
The Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED). It is 1,505kg lighter empty than the Equi-Trek Sonic 3,500kg.
Can I tow the Equi-Trek Sonic 3,500kg 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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