Head to head
Equi-Trek Space-Treka M vs Ifor Williams CT166
The Ifor Williams CT166 is rated 1 tonnes heavier gross and is 235kg lighter empty.
Last reviewed 13 September 2026


Key differences
- Gross weight: the Ifor Williams CT166 is rated 1 tonnes heavier gross.
- Unladen weight: the Equi-Trek Space-Treka M weighs 235kg more empty.
Specifications side by side
| Equi-Trek Space-Treka M | Ifor Williams CT166 | |
|---|---|---|
| Unladen weight | From 1120kg | 885kg |
| Gross weight | 2500kg (max) | 3500kg |
| Body length | 3756mm (12ft 3in) (external) | - |
| Body width | 1835mm (6ft 1in) (external) | - |
| Horse area length | 2665mm (8ft 9in) (internal) | - |
| Payload | - | 2615kg |
| Internal bed | - | 4.87m x 1.90m |
Sources: Equi-Trek Space-Treka M, Ifor Williams CT166. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Space-Treka M if...
Equi-Trek Space-Treka M, carried by UK dealers and hire companies listed on GetBrent for sale. Horseboxes and horse trailers like this are chosen by private owners and competition yards moving horses to shows, vets and new yards.
Listed by
- Trek-Trailers Lincolnshire - Doncaster, Belton
- Trek-Trailers Suffolk - Bury Saint Edmunds
- Trek-Trailers Three Counties - Hereford
Buy or hire the CT166 if...
- you want one that is rated 1 tonnes heavier gross
- you want one that is 235kg 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 M and the Ifor Williams CT166?
The Ifor Williams CT166 is rated 1 tonnes heavier gross and is 235kg lighter empty. The Equi-Trek Space-Treka M is a horsebox or horse trailer; the Ifor Williams CT166 is a a tilt-bed car and machinery transporter trailer.
Which is lighter, the Equi-Trek Space-Treka M or the Ifor Williams CT166?
The Ifor Williams CT166. It is 235kg lighter empty than the Equi-Trek Space-Treka M.
Can I tow the Equi-Trek Space-Treka M 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.
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.
