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Head to head

Ifor Williams GD85 vs Richardson Trailers Supreme Treble

The Ifor Williams GD85 is 865kg lighter empty. The Richardson Trailers Supreme Treble is rated 1.3 tonnes heavier gross.

Last reviewed 13 September 2026

Ifor Williams GD85
Ifor Williams GD85 - image: West Wood Trailers
Supreme Treble
Richardson Trailers Supreme Treble

Key differences

Specifications side by side

Ifor Williams GD85Richardson Trailers Supreme Treble
Gross weight1,400kg single axle / 2,700kg twin axle2,700kg
Unladen weight395kg single axle / 485kg twin axle1,260kg
Internal bed2.5m x 1.58m (8ft 2in x 5ft 2in)-
BrakesBraked, auto-reverse over-run-
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: Ifor Williams GD85, Richardson Trailers Supreme Treble. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the GD85 if...

  • you want one that is 865kg lighter empty

The entry point of the Ifor Williams general duty range and one of the most common working trailers in Britain. Smallholders, gardeners and tradespeople buy it for everyday hauling without needing a heavy tow vehicle, and the twin-axle version roughly doubles the payload for a modest gain in unladen weight.

Full GD85 specifications →

Buy or hire the Supreme Treble if...

  • you want one that is rated 1.3 tonnes heavier gross

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.

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Full Supreme Treble specifications →

Common questions

What is the difference between the Ifor Williams GD85 and the Richardson Trailers Supreme Treble?

The Ifor Williams GD85 is 865kg lighter empty. The Richardson Trailers Supreme Treble is rated 1.3 tonnes heavier gross. The Ifor Williams GD85 is a general duty box trailer, single or twin axle; the Richardson Trailers Supreme Treble is a trailer for two horses and a pony, one forward one reversed.

Which is lighter, the Ifor Williams GD85 or the Richardson Trailers Supreme Treble?

The Ifor Williams GD85. It is 865kg lighter empty than the Richardson Trailers Supreme Treble.

Can I tow the Ifor Williams GD85 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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