Head to head
Equi-Trek Sonic Five Seats 3,500kg vs Graham Edwards FB3512
The Graham Edwards FB3512 is 1.8 tonnes lighter empty.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Equi-Trek Sonic Five Seats 3,500kg weighs 1.8 tonnes more empty.
Specifications side by side
| Equi-Trek Sonic Five Seats 3,500kg | Graham Edwards FB3512 | |
|---|---|---|
| Gross weight | 3500kg | 3500KG |
| Unladen weight | 2500kg | 700KG |
| Length | - | 12' |
| Width | - | 6'6" |
| Axles | - | TANDEM |
Sources: Equi-Trek Sonic Five Seats 3,500kg, Graham Edwards FB3512. Figures vary by model year and options, so check with the supplier before you commit.
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
Buy or hire the FB3512 if...
- you want one that is 1.8 tonnes lighter empty
A general purpose galvanized flatbed for contractors, landscapers and farms moving pallets, materials and machinery. Beavertail, tiltbed and side options are listed by the maker.
Full FB3512 specifications →Common questions
What is the difference between the Equi-Trek Sonic Five Seats 3,500kg and the Graham Edwards FB3512?
The Graham Edwards FB3512 is 1.8 tonnes lighter empty. The Equi-Trek Sonic Five Seats 3,500kg is a 5-seat version of the Sonic motorised horsebox; the Graham Edwards FB3512 is a 12 ft x 6 ft 6 in tandem axle 3.5 tonne flatbed trailer.
Which is lighter, the Equi-Trek Sonic Five Seats 3,500kg or the Graham Edwards FB3512?
The Graham Edwards FB3512. It is 1.8 tonnes lighter empty than the Equi-Trek Sonic Five Seats 3,500kg.
Can I tow the Equi-Trek Sonic Five Seats 3,500kg or the Graham Edwards FB3512 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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