Head to head
Richardson Trailers Supreme Ultra vs Stewart GX16-21 L
The Richardson Trailers Supreme Ultra is 4.4 tonnes lighter empty.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Stewart GX16-21 L weighs 4.4 tonnes more empty.
Specifications side by side
| Richardson Trailers Supreme Ultra | Stewart GX16-21 L | |
|---|---|---|
| Unladen weight | 1100 kg | 5,500kg |
| 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 | - | 16,000kg |
| Cubic capacity | - | grain 21m3, silage 37m3 |
| Body | - | 6700 x 2450 x 1370mm |
Sources: Richardson Trailers Supreme Ultra, Stewart GX16-21 L. 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 4.4 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 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 Richardson Trailers Supreme Ultra and the Stewart GX16-21 L?
The Richardson Trailers Supreme Ultra is 4.4 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 GX16-21 L is a bulk agricultural trailer with easy sheet cover.
Which is lighter, the Richardson Trailers Supreme Ultra or the Stewart GX16-21 L?
The Richardson Trailers Supreme Ultra. It is 4.4 tonnes lighter empty than the Stewart GX16-21 L.
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.