Head to head
Brian James Connect vs Equi-Trek Sonic 3,500kg
The Brian James Connect is a highly configurable flatbed trailer. The Equi-Trek Sonic 3,500kg is a compact 3.5 tonne motorised 2-horse horsebox.
Last reviewed 13 September 2026
Specifications side by side
| Brian James Connect | Equi-Trek Sonic 3,500kg | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Bed size | 5.5m x 2.1m | - |
| Axles | Triple axle, 10 wheels | - |
| Unladen weight | - | 2320kg |
Sources: Brian James Connect, Equi-Trek Sonic 3,500kg. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Connect if...
Brian James's modular flatbed platform, built to order in a range of lengths, widths and axle counts. Plant and vehicle hire firms specify it as a general-purpose load carrier rather than buying a dedicated car transporter or plant trailer.
Full Connect specifications →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
Common questions
What is the difference between the Brian James Connect and the Equi-Trek Sonic 3,500kg?
The Brian James Connect is a highly configurable flatbed trailer; the Equi-Trek Sonic 3,500kg is a compact 3.5 tonne motorised 2-horse horsebox.
Can I tow the Brian James Connect or the Equi-Trek Sonic 3,500kg 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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