Head to head
Bockmann Master vs Equi-Trek Sonic 3,500kg
The Equi-Trek Sonic 3,500kg is rated 1.1 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Equi-Trek Sonic 3,500kg is rated 1.1 tonnes heavier gross.
Specifications side by side
| Bockmann Master | Equi-Trek Sonic 3,500kg | |
|---|---|---|
| Gross weight | 2400kg | 3500kg |
| Payload | 1316kg | - |
| Internal length | 3560mm | - |
| Internal width | 1650mm | - |
| Internal height | 2350mm | - |
| Unladen weight | - | 2320kg |
Sources: Bockmann Master, Equi-Trek Sonic 3,500kg. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Master if...
The entry point into Bockmann's polyester-bodied trailer range, aimed at owners of one or two horses who want a simple, low-maintenance trailer rather than an aluminium premium model. It competes on price against other basic 2-horse trailers.
Full Master specifications →Buy or hire the Sonic 3,500kg if...
- you want one that is rated 1.1 tonnes 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 Three Counties - Hereford
Common questions
What is the difference between the Bockmann Master and the Equi-Trek Sonic 3,500kg?
The Equi-Trek Sonic 3,500kg is rated 1.1 tonnes heavier gross. The Bockmann Master is a polyester-bodied 2-horse trailer with tack room; the Equi-Trek Sonic 3,500kg is a compact 3.5 tonne motorised 2-horse horsebox.
Can I tow the Bockmann Master 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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