Head to head
Equi-Trek Space-Treka III vs Stewart GX16-21 L
The Equi-Trek Space-Treka III is 4 tonnes lighter empty.
Last reviewed 13 September 2026

Key differences
- Unladen weight: the Stewart GX16-21 L weighs 4 tonnes more empty.
Specifications side by side
| Equi-Trek Space-Treka III | Stewart GX16-21 L | |
|---|---|---|
| Unladen weight | 1500kg | 5,500kg |
| Gross weight | 3500kg | - |
| Axles | 2 | - |
| Brakes | Braked (four fully braked wheels) | - |
| Carrying capacity | - | 16,000kg |
| Cubic capacity | - | grain 21m3, silage 37m3 |
| Body | - | 6700 x 2450 x 1370mm |
Sources: Equi-Trek Space-Treka III, Stewart GX16-21 L. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Space-Treka III if...
- you want one that is 4 tonnes lighter empty
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 Three Counties - Hereford
- Trek-Trailers Suffolk - Bury Saint Edmunds
- Horse Trailer Sales - Robertsbridge, Staplecross
Buy or hire the GX16-21 L if...
A large bulk trailer used to cart grain and root crops at harvest, with an easy sheet system to cover the load without climbing on top. Farmers hire extra units like this at harvest to move crop faster than their own trailers allow.
Listed by
- Rising Sun Trailer Hire - York
Common questions
What is the difference between the Equi-Trek Space-Treka III and the Stewart GX16-21 L?
The Equi-Trek Space-Treka III is 4 tonnes lighter empty. The Equi-Trek Space-Treka III is a trailer with a large horse area and separate living space; the Stewart GX16-21 L is a bulk agricultural trailer with easy sheet cover.
Which is lighter, the Equi-Trek Space-Treka III or the Stewart GX16-21 L?
The Equi-Trek Space-Treka III. It is 4 tonnes lighter empty than the Stewart GX16-21 L.
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