Head to head
Equi-Trek Equinox 3,500kg vs Richardson Trailers Supreme Treble
The Richardson Trailers Supreme Treble is 1,180kg lighter empty. The Equi-Trek Equinox 3,500kg is rated 800kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Equi-Trek Equinox 3,500kg weighs 1,180kg more empty.
- Gross weight: the Equi-Trek Equinox 3,500kg is rated 800kg heavier gross.
Specifications side by side
| Equi-Trek Equinox 3,500kg | Richardson Trailers Supreme Treble | |
|---|---|---|
| Gross weight | 3500kg | 2,700kg |
| Unladen weight | 2440kg | 1,260kg |
| Capacity | - | 2 horses forward, 1 pony reversed |
| 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: Equi-Trek Equinox 3,500kg, Richardson Trailers Supreme Treble. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Equinox 3,500kg if...
- you want one that is rated 800kg heavier gross
A mid-range motorised horsebox for two horses, sitting between the small Apollo and the larger 4,500kg Equinox and 7-tonne-plus models. It suits owners who want a proper horsebox cab and living space but not a 7.5 tonne licence.
Listed by
- Trek-Trailers Three Counties - Hereford
- Trek-Trailers Lincolnshire - Doncaster, Belton
Buy or hire the Supreme Treble if...
- you want one that is 1,180kg lighter empty
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
Common questions
What is the difference between the Equi-Trek Equinox 3,500kg and the Richardson Trailers Supreme Treble?
The Richardson Trailers Supreme Treble is 1,180kg lighter empty. The Equi-Trek Equinox 3,500kg is rated 800kg heavier gross. The Equi-Trek Equinox 3,500kg is a 3.5 tonne motorised 2-horse horsebox; the Richardson Trailers Supreme Treble is a trailer for two horses and a pony, one forward one reversed.
Which is lighter, the Equi-Trek Equinox 3,500kg or the Richardson Trailers Supreme Treble?
The Richardson Trailers Supreme Treble. It is 1,180kg lighter empty than the Equi-Trek Equinox 3,500kg.
Can I tow the Equi-Trek Equinox 3,500kg or the Richardson Trailers Supreme Treble on a car licence?
Yes, as far as the licence goes. Both are rated at or under 3,500kg gross, and a car (B) licence has covered towing up to 3,500kg since 16 December 2021. Your car still has to be rated to tow the loaded weight - check the handbook or the VIN plate.
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