Head to head
Richardson Trailers Supreme Treble vs Stewart GX19-25 Z
The Richardson Trailers Supreme Treble is a trailer for two horses and a pony, one forward one reversed. The Stewart GX19-25 Z is a flat top trailer with silage sides.
Last reviewed 13 September 2026
Specifications side by side
| Richardson Trailers Supreme Treble | Stewart GX19-25 Z | |
|---|---|---|
| Capacity | 2 horses forward, 1 pony reversed | 19-25 tonne |
| Gross weight | 2,700kg | - |
| Unladen weight | 1,260kg | - |
| External dimensions | 5.40m long x 2.29m wide x 2.75m high | - |
| Internal dimensions | 3.54m long x 1.80m wide x 2.33m high | - |
Sources: Richardson Trailers Supreme Treble, Stewart GX19-25 Z. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Supreme Treble if...
A three-berth Richardson trailer built for a household with two horses and a pony rather than a full string. The reversed pony bay keeps overall length down compared with three forward-facing berths, which suits smaller yards and tow vehicles.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
Buy or hire the GX19-25 Z if...
A larger flatbed trailer in Stewart's GX range, with removable silage sides for bulkier or heavier loads than the 16-21 tonne version. Farm and agricultural contractors hire it for higher-volume harvest and haulage work.
Full GX19-25 Z specifications →Common questions
What is the difference between the Richardson Trailers Supreme Treble and the Stewart GX19-25 Z?
The Richardson Trailers Supreme Treble is a trailer for two horses and a pony, one forward one reversed; the Stewart GX19-25 Z is a flat top trailer with silage sides.
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