Head to head
Equi-Trek Super Sonic 4T vs PRG Trailers ProLine Beavertail
The Equi-Trek Super Sonic 4T is a horsebox or horse trailer. The PRG Trailers ProLine Beavertail is a prg trailers' open beavertail car trailer range, built with a hinged tail ramp for loading low cars..
Last reviewed 13 September 2026
Specifications side by side
| Equi-Trek Super Sonic 4T | PRG Trailers ProLine Beavertail | |
|---|---|---|
| Brakes | Braked | Braked (Alko AAA self-adjusting brakes) |
| Gross weight | - | 3,000kg (twin axle, 10in wheels) up to 3,500kg (twin axle 13in wheels, and all tri axle models) |
| 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 |
Sources: Equi-Trek Super Sonic 4T, PRG Trailers ProLine Beavertail. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Super Sonic 4T if...
Equi-Trek Super Sonic 4T, carried by UK dealers and hire companies listed on GetBrent for sale. Horseboxes and horse trailers like this are chosen by private owners and competition yards moving horses to shows, vets and new yards.
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 Super Sonic 4T and the PRG Trailers ProLine Beavertail?
The Equi-Trek Super Sonic 4T is a horsebox or horse trailer; the PRG Trailers ProLine Beavertail is a pRG Trailers' open beavertail car trailer range, built with a hinged tail ramp for loading low cars..
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