Head to head
Equi-Trek Sonic Five Seats 3,500kg vs Ifor Williams LM126
The Ifor Williams LM126 is 1,825kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Equi-Trek Sonic Five Seats 3,500kg weighs 1,825kg more empty.
Specifications side by side
| Equi-Trek Sonic Five Seats 3,500kg | Ifor Williams LM126 | |
|---|---|---|
| Gross weight | 3500kg | 3,500kg |
| Unladen weight | 2500kg | 675kg |
| Deck | - | 3.62m x 1.98m (11ft 9in x 6ft 5in) |
| Brakes | - | Braked |
Sources: Equi-Trek Sonic Five Seats 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 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 LM126 if...
- you want one that is 1,825kg 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 Five Seats 3,500kg and the Ifor Williams LM126?
The Ifor Williams LM126 is 1,825kg lighter empty. The Equi-Trek Sonic Five Seats 3,500kg is a 5-seat version of the Sonic motorised horsebox; the Ifor Williams LM126 is a flatbed trailer, twin axle.
Which is lighter, the Equi-Trek Sonic Five Seats 3,500kg or the Ifor Williams LM126?
The Ifor Williams LM126. It is 1,825kg lighter empty than the Equi-Trek Sonic Five Seats 3,500kg.
Can I tow the Equi-Trek Sonic Five Seats 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.