Head to head
Richardson Trailers Supreme Ultra vs Stewart GX 18-23 S
The Richardson Trailers Supreme Ultra is 4.8 tonnes lighter empty.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Stewart GX 18-23 S weighs 4.8 tonnes more empty.
Specifications side by side
| Richardson Trailers Supreme Ultra | Stewart GX 18-23 S | |
|---|---|---|
| Unladen weight | 1100 kg | 5,900kg |
| Maximum gross weight | 3200 kg | - |
| Overall length | 5.00 m (16 ft 5 in) | - |
| Internal length | 3.54 m (11 ft 7 in) | - |
| Internal width | 1.80 m (5 ft 11 in) | - |
| Carrying capacity | - | 20,000kg |
| Cubic capacity | - | grain 23m3, silage 39m3 |
| Body | - | 6700 x 2450 x 1500mm |
Sources: Richardson Trailers Supreme Ultra, Stewart GX 18-23 S. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Supreme Ultra if...
- you want one that is 4.8 tonnes lighter empty
The Supreme Ultra suits owners looking for a well-established British-built two-horse trailer able to carry a pair of taller horses, since sellers describe it as taking two horses up to about 17.2hh. As a long-running Richardson model it is more often found on the used market now than ordered new.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
Buy or hire the GX 18-23 S if...
An 18-23 tonne tipping trailer built for grain and silage haulage, with an easy-sheet system so one person can cover a loaded trailer without climbing on top. Its monocoque steel body gives it the extra capacity over Stewart's standard flat trailers.
Listed by
- Rising Sun Trailer Hire - York
Common questions
What is the difference between the Richardson Trailers Supreme Ultra and the Stewart GX 18-23 S?
The Richardson Trailers Supreme Ultra is 4.8 tonnes lighter empty. The Richardson Trailers Supreme Ultra is a a two-horse trailer from British manufacturer Richardson, part of its Supreme range of horse trailers.; the Stewart GX 18-23 S is a twin-axle tipping grain and silage trailer with an easy-sheet cover system.
Which is lighter, the Richardson Trailers Supreme Ultra or the Stewart GX 18-23 S?
The Richardson Trailers Supreme Ultra. It is 4.8 tonnes lighter empty than the Stewart GX 18-23 S.
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