Head to head
Equi-Trek Sonic 3,500kg vs Erde CH751
The Erde CH751 is 2,189kg lighter empty. The Equi-Trek Sonic 3,500kg is rated 2,750kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Equi-Trek Sonic 3,500kg weighs 2,189kg more empty.
- Gross weight: the Equi-Trek Sonic 3,500kg is rated 2,750kg heavier gross.
Specifications side by side
| Equi-Trek Sonic 3,500kg | Erde CH751 | |
|---|---|---|
| Gross weight | 3500kg | 750kg |
| Unladen weight | 2320kg | 131kg |
| Payload | - | 625kg |
Sources: Equi-Trek Sonic 3,500kg, Erde CH751. 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 2,750kg 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 Three Counties - Hereford
Buy or hire the CH751 if...
- you want one that is 2,189kg 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 3,500kg and the Erde CH751?
The Erde CH751 is 2,189kg lighter empty. The Equi-Trek Sonic 3,500kg is rated 2,750kg heavier gross. The Equi-Trek Sonic 3,500kg is a compact 3.5 tonne motorised 2-horse 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 3,500kg or the Erde CH751?
The Erde CH751. It is 2,189kg lighter empty than the Equi-Trek Sonic 3,500kg.
Can I tow the Equi-Trek Sonic 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.
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