Head to head
Brian James Cargo Connect vs Equi-Trek Sonic Five Seats 3,500kg
The Brian James Cargo Connect is a a configurable flatbed general-purpose trailer used for goods, plant and vehicle hire. The Equi-Trek Sonic Five Seats 3,500kg is a 5-seat version of the sonic motorised horsebox.
Last reviewed 13 September 2026
Specifications side by side
| Brian James Cargo Connect | Equi-Trek Sonic Five Seats 3,500kg | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Payload | 2500kg | - |
| Internal bed | 5.5m x 2.13m (18ft x 6ft 10in) | - |
| Axles | Tri-axle | - |
| Unladen weight | - | 2500kg |
Sources: Brian James Cargo Connect, 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 Cargo Connect if...
A do-it-all flatbed aimed at plant hire firms and trailer rental companies who need one trailer that can carry a car, a mini digger or palletised goods. The tri-axle chassis and long bed make it a common hire-fleet workhorse rather than a car-specific transporter.
Listed by
- Fieldfare Trailer Centre - Salisbury
- Bicester Trailer Centre - Bicester
- Formula Trailers,, Brian-James Trailers Main Dealer in the SW UK - Wellington, Poole
- Cobham Trailer Hire - Cobham, East Horsley
Buy or hire the Sonic Five Seats 3,500kg if...
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.
Listed by
- Trek-Trailers Lincolnshire - Doncaster, Belton
- Trek-Trailers Three Counties - Hereford
Common questions
What is the difference between the Brian James Cargo Connect and the Equi-Trek Sonic Five Seats 3,500kg?
The Brian James Cargo Connect is a a configurable flatbed general-purpose trailer used for goods, plant and vehicle hire; the Equi-Trek Sonic Five Seats 3,500kg is a 5-seat version of the Sonic motorised horsebox.
Can I tow the Brian James Cargo Connect 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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