Head to head
Equi-Trek Sonic Five Seats 3,500kg vs Erde CH751
The Erde CH751 is 2,369kg lighter empty. The Equi-Trek Sonic Five Seats 3,500kg is rated 2,750kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Equi-Trek Sonic Five Seats 3,500kg weighs 2,369kg more empty.
- Gross weight: the Equi-Trek Sonic Five Seats 3,500kg is rated 2,750kg heavier gross.
Specifications side by side
| Equi-Trek Sonic Five Seats 3,500kg | Erde CH751 | |
|---|---|---|
| Gross weight | 3500kg | 750kg |
| Unladen weight | 2500kg | 131kg |
| Payload | - | 625kg |
Sources: Equi-Trek Sonic Five Seats 3,500kg, Erde CH751. 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...
- you want one that is rated 2,750kg 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 →Buy or hire the CH751 if...
- you want one that is 2,369kg lighter empty
The higher-capacity version of the CH451 chassis for buyers building a heavier custom body or fitting a motorcycle carrier deck.
Listed by
- Fieldfare Trailer Centre - Salisbury
Common questions
What is the difference between the Equi-Trek Sonic Five Seats 3,500kg and the Erde CH751?
The Erde CH751 is 2,369kg lighter empty. The Equi-Trek Sonic Five Seats 3,500kg is rated 2,750kg heavier gross. The Equi-Trek Sonic Five Seats 3,500kg is a 5-seat version of the Sonic motorised horsebox; the Erde CH751 is a an unbraked single-axle multi-purpose trailer chassis rated at 750kg gross weight..
Which is lighter, the Equi-Trek Sonic Five Seats 3,500kg or the Erde CH751?
The Erde CH751. It is 2,369kg lighter empty than the Equi-Trek Sonic Five Seats 3,500kg.
Can I tow the Equi-Trek Sonic Five Seats 3,500kg or the Erde CH751 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.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.