Head to head
Bockmann Master vs Equi-Trek Sonic Five Seats 3,500kg
The Equi-Trek Sonic Five Seats 3,500kg is rated 1.1 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Equi-Trek Sonic Five Seats 3,500kg is rated 1.1 tonnes heavier gross.
Specifications side by side
| Bockmann Master | Equi-Trek Sonic Five Seats 3,500kg | |
|---|---|---|
| Gross weight | 2400kg | 3500kg |
| Payload | 1316kg | - |
| Internal length | 3560mm | - |
| Internal width | 1650mm | - |
| Internal height | 2350mm | - |
| Unladen weight | - | 2500kg |
Sources: Bockmann Master, Equi-Trek Sonic Five Seats 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 Five Seats 3,500kg if...
- you want one that is rated 1.1 tonnes heavier gross
A five-seat cab variant of the Sonic, aimed at families or small teams who want to travel together to competitions rather than sending a second car. It carries the same horse capacity as the standard Sonic.
Full Sonic Five Seats 3,500kg specifications →Common questions
What is the difference between the Bockmann Master and the Equi-Trek Sonic Five Seats 3,500kg?
The Equi-Trek Sonic Five Seats 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 Five Seats 3,500kg is a 5-seat version of the Sonic motorised horsebox.
Can I tow the Bockmann Master or the Equi-Trek Sonic Five Seats 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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