Head to head
Equi-Trek Sonic 3,500kg vs Ifor Williams LM126
The Ifor Williams LM126 is 1,645kg lighter empty.
Last reviewed 13 September 2026


Key differences
- Unladen weight: the Equi-Trek Sonic 3,500kg weighs 1,645kg more empty.
Specifications side by side
| Equi-Trek Sonic 3,500kg | Ifor Williams LM126 | |
|---|---|---|
| Gross weight | 3500kg | 3,500kg |
| Unladen weight | 2320kg | 675kg |
| Deck | - | 3.62m x 1.98m (11ft 9in x 6ft 5in) |
| Brakes | - | Braked |
Sources: Equi-Trek Sonic 3,500kg, Ifor Williams LM126. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Sonic 3,500kg if...
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 Suffolk - Bury Saint Edmunds
- Trek-Trailers Three Counties - Hereford
Buy or hire the LM126 if...
- you want one that is 1,645kg lighter empty
A workhorse flatbed for plant hire firms, groundworkers and landscapers moving mini-diggers, pallets and fencing. The payload relative to its own weight is the reason it is so common on sites: 675kg unladen against a 3,500kg gross leaves a useful figure.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- Cobham Trailer Hire - Cobham, East Horsley
- G-Tec Trailers - Thetford, Holme Hale
Common questions
What is the difference between the Equi-Trek Sonic 3,500kg and the Ifor Williams LM126?
The Ifor Williams LM126 is 1,645kg lighter empty. The Equi-Trek Sonic 3,500kg is a compact 3.5 tonne motorised 2-horse horsebox; the Ifor Williams LM126 is a flatbed trailer, twin axle.
Which is lighter, the Equi-Trek Sonic 3,500kg or the Ifor Williams LM126?
The Ifor Williams LM126. It is 1,645kg lighter empty than the Equi-Trek Sonic 3,500kg.
Can I tow the Equi-Trek Sonic 3,500kg or the Ifor Williams LM126 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.
