Head to head
Equi-Trek Equinox 3,500kg vs Ifor Williams CT166
The Ifor Williams CT166 is 1,555kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Equi-Trek Equinox 3,500kg weighs 1,555kg more empty.
Specifications side by side
| Equi-Trek Equinox 3,500kg | Ifor Williams CT166 | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 2440kg | 885kg |
| Payload | - | 2615kg |
| Internal bed | - | 4.87m x 1.90m |
Sources: Equi-Trek Equinox 3,500kg, Ifor Williams CT166. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Equinox 3,500kg if...
A mid-range motorised horsebox for two horses, sitting between the small Apollo and the larger 4,500kg Equinox and 7-tonne-plus models. It suits owners who want a proper horsebox cab and living space but not a 7.5 tonne licence.
Listed by
- Trek-Trailers Lincolnshire - Doncaster, Belton
- Trek-Trailers Three Counties - Hereford
Buy or hire the CT166 if...
- you want one that is 1,555kg lighter empty
Bought by garages, recovery operators and plant hire firms who load low vehicles or compact machinery by tilting the deck to ground level instead of driving up loading ramps. The narrower CT166 bed suits standard cars and single machines.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Common questions
What is the difference between the Equi-Trek Equinox 3,500kg and the Ifor Williams CT166?
The Ifor Williams CT166 is 1,555kg lighter empty. The Equi-Trek Equinox 3,500kg is a 3.5 tonne motorised 2-horse horsebox; the Ifor Williams CT166 is a a tilt-bed car and machinery transporter trailer.
Which is lighter, the Equi-Trek Equinox 3,500kg or the Ifor Williams CT166?
The Ifor Williams CT166. It is 1,555kg lighter empty than the Equi-Trek Equinox 3,500kg.
Can I tow the Equi-Trek Equinox 3,500kg or the Ifor Williams CT166 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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