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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

Equi-Trek Space-Treka III
Equi-Trek Space-Treka III - image: threecounties.trek-trailers.co.uk
Stewart GX16-21 L
Stewart GX16-21 L - image: Rising Sun Trailer Hire

Key differences

Specifications side by side

Equi-Trek Space-Treka IIIStewart GX16-21 L
Unladen weight1500kg5,500kg
Gross weight3500kg-
Axles2-
BrakesBraked (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

Full Space-Treka III specifications →

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

Full GX16-21 L specifications →

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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