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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

Equi-Trek Sonic 3,500kg
Equi-Trek Sonic 3,500kg - image: threecounties.trek-trailers.co.uk
Ifor Williams LM126
Ifor Williams LM126 - image: blains.co.uk

Key differences

Specifications side by side

Equi-Trek Sonic 3,500kgIfor Williams LM126
Gross weight3500kg3,500kg
Unladen weight2320kg675kg
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

Full Sonic 3,500kg specifications →

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

Full LM126 specifications →

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.

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