Head to head
Equi-Trek Space-Treka III vs Ifor Williams CT166
The Ifor Williams CT166 is 615kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Equi-Trek Space-Treka III weighs 615kg more empty.
Specifications side by side
| Equi-Trek Space-Treka III | Ifor Williams CT166 | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 1500kg | 885kg |
| Axles | 2 | - |
| Brakes | Braked (four fully braked wheels) | - |
| Payload | - | 2615kg |
| Internal bed | - | 4.87m x 1.90m |
Sources: Equi-Trek Space-Treka III, Ifor Williams CT166. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Space-Treka III if...
The current version of Equi-Trek's Space-Treka trailer, giving a generous horse area plus a separate living/tack space in a twin-axle chassis. It suits owners who want overnight facilities without moving to a triaxle model.
Listed by
- Trek-Trailers Lincolnshire - Doncaster, Belton
- Trek-Trailers Suffolk - Bury Saint Edmunds
- Horse Trailer Sales - Robertsbridge, Staplecross
- Trek-Trailers Three Counties - Hereford
Buy or hire the CT166 if...
- you want one that is 615kg 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 Space-Treka III and the Ifor Williams CT166?
The Ifor Williams CT166 is 615kg lighter empty. The Equi-Trek Space-Treka III is a trailer with a large horse area and separate living space; the Ifor Williams CT166 is a a tilt-bed car and machinery transporter trailer.
Which is lighter, the Equi-Trek Space-Treka III or the Ifor Williams CT166?
The Ifor Williams CT166. It is 615kg lighter empty than the Equi-Trek Space-Treka III.
Can I tow the Equi-Trek Space-Treka III 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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