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Equi-Trek Equinox Excel 3,500kg vs Richardson Trailers Supreme Treble

The Richardson Trailers Supreme Treble is 1,180kg lighter empty. The Equi-Trek Equinox Excel 3,500kg is rated 800kg heavier gross.

Last reviewed 13 September 2026

Equi-Trek Equinox Excel 3,500kg
Equi-Trek Equinox Excel 3,500kg - image: cutlerssales.co.uk
Supreme Treble
Richardson Trailers Supreme Treble

Key differences

Specifications side by side

Equi-Trek Equinox Excel 3,500kgRichardson Trailers Supreme Treble
Gross weight3500kg2,700kg
Unladen weight2440kg1,260kg
Payload1060kg-
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 Excel 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 Excel 3,500kg if...

  • you want one that is rated 800kg heavier gross

The Excel trim adds equipment and finish over the standard Equinox on the same 3.5 tonne chassis, aimed at buyers who want a more comfortable cab and living area without moving up a weight class.

Listed by

Full Equinox Excel 3,500kg specifications →

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

Full Supreme Treble specifications →

Common questions

What is the difference between the Equi-Trek Equinox Excel 3,500kg and the Richardson Trailers Supreme Treble?

The Richardson Trailers Supreme Treble is 1,180kg lighter empty. The Equi-Trek Equinox Excel 3,500kg is rated 800kg heavier gross. The Equi-Trek Equinox Excel 3,500kg is a higher-specification trim of the Equinox 3,500kg 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 Excel 3,500kg or the Richardson Trailers Supreme Treble?

The Richardson Trailers Supreme Treble. It is 1,180kg lighter empty than the Equi-Trek Equinox Excel 3,500kg.

Can I tow the Equi-Trek Equinox Excel 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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