Head to head
Equi-Trek Sonic 3,500kg vs Ifor Williams TA5
The Ifor Williams TA5 is 1,710kg lighter empty. The Equi-Trek Sonic 3,500kg is rated 800kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Equi-Trek Sonic 3,500kg weighs 1,710kg more empty.
- Gross weight: the Equi-Trek Sonic 3,500kg is rated 800kg heavier gross.
Specifications side by side
| Equi-Trek Sonic 3,500kg | Ifor Williams TA5 | |
|---|---|---|
| Gross weight | 3500kg | 2,700kg standard, 3,500kg on TA5HD variants |
| Unladen weight | 2320kg | 610kg (8ft x 4ft) up to 1,030kg (TA5HD 12ft x 7ft) |
| Internal width | - | 1.53m |
| Internal length | - | 2.32m, 3.12m or 3.72m depending on model |
| Brakes | - | Braked |
Sources: Equi-Trek Sonic 3,500kg, Ifor Williams TA5. 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 800kg 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 Suffolk - Bury Saint Edmunds
- Trek-Trailers Three Counties - Hereford
Buy or hire the TA5 if...
- you want one that is 1,710kg lighter empty
The standard British livestock trailer, and the one most smallholders and farmers picture when they say livestock trailer. Low loading height and flexible partitions matter more here than raw capacity, because the job is getting animals in and out calmly rather than maximising a payload.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- Corwen Trailer Centre - Corwen
- East Midlands Trailers - Leicester, Thrussington
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Equi-Trek Sonic 3,500kg and the Ifor Williams TA5?
The Ifor Williams TA5 is 1,710kg lighter empty. The Equi-Trek Sonic 3,500kg is rated 800kg heavier gross. The Equi-Trek Sonic 3,500kg is a compact 3.5 tonne motorised 2-horse horsebox; the Ifor Williams TA5 is a livestock trailer, twin axle.
Which is lighter, the Equi-Trek Sonic 3,500kg or the Ifor Williams TA5?
The Ifor Williams TA5. It is 1,710kg lighter empty than the Equi-Trek Sonic 3,500kg.
Can I tow the Equi-Trek Sonic 3,500kg or the Ifor Williams TA5 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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