Head to head
Equi-Trek Sonic 3,500kg vs Race Box 610
The Equi-Trek Sonic 3,500kg is rated 500kg heavier gross.
Last reviewed 13 September 2026

Key differences
- Gross weight: the Equi-Trek Sonic 3,500kg is rated 500kg heavier gross.
Specifications side by side
| Equi-Trek Sonic 3,500kg | Race Box 610 | |
|---|---|---|
| Gross weight | 3500kg | 3,000kg |
| Unladen weight | 2320kg | - |
| Bed size | - | 4.50m x 1.95m |
| Axles | - | Twin |
Sources: Equi-Trek Sonic 3,500kg, Race Box 610. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Sonic 3,500kg if...
- you want one that is rated 500kg heavier gross
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 610 if...
An enclosed twin axle box trailer used to carry tools, motorsport equipment or goods securely and out of the weather. Its 3,000kg rating covers a loaded box without needing a heavier commercial trailer.
Listed by
- Fieldfare Trailer Centre - Salisbury
Common questions
What is the difference between the Equi-Trek Sonic 3,500kg and the Race Box 610?
The Equi-Trek Sonic 3,500kg is rated 500kg heavier gross. The Equi-Trek Sonic 3,500kg is a compact 3.5 tonne motorised 2-horse horsebox; the Race Box 610 is a twin axle enclosed box trailer.
Can I tow the Equi-Trek Sonic 3,500kg or the Race Box 610 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.
