Head to head
Equi-Trek Sonic 3,500kg vs PRG Trailers ProLine Beavertail
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 | PRG Trailers ProLine Beavertail | |
|---|---|---|
| Gross weight | 3500kg | 3,000kg (twin axle, 10in wheels) up to 3,500kg (twin axle 13in wheels, and all tri axle models) |
| Unladen weight | 2320kg | - |
| Payload | - | 1,975kg to 2,550kg depending on configuration |
| Internal bed | - | 4.88m to 6.40m long, 2.13m or 2.28m wide |
| Axles | - | Twin or Tri |
| Brakes | - | Braked (Alko AAA self-adjusting brakes) |
Sources: Equi-Trek Sonic 3,500kg, PRG Trailers ProLine Beavertail. 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 ProLine Beavertail if...
The ProLine Beavertail suits owners of low-ground-clearance cars, since its beavertail ramp lets a car drive on and off without grounding, unlike a flat-bed transporter. PRG offers it across twin and tri-axle chassis so buyers can match the trailer to a 3000kg or 3500kg tow limit.
Listed by
- Compass Trailers - Lewes, Ringmer
Common questions
What is the difference between the Equi-Trek Sonic 3,500kg and the PRG Trailers ProLine Beavertail?
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 PRG Trailers ProLine Beavertail is a pRG Trailers' open beavertail car trailer range, built with a hinged tail ramp for loading low cars..
Can I tow the Equi-Trek Sonic 3,500kg or the PRG Trailers ProLine Beavertail 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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