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Ifor Williams General Duty vs Richardson Trailers Supreme Treble

The Richardson Trailers Supreme Treble is rated 1.3 tonnes heavier gross.

Last reviewed 13 September 2026

Key differences

Specifications side by side

Ifor Williams General DutyRichardson Trailers Supreme Treble
Gross weight1400kg to 2700kg depending on model2,700kg
Internal length1.84m (6ft) to 3.71m (12ft 2in)-
Internal width1.23m (4ft) to 1.71m (5ft 6in)-
AxlesSingle or twin axle-
Capacity-2 horses forward, 1 pony reversed
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: Ifor Williams General Duty, Richardson Trailers Supreme Treble. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the General Duty if...

Ifor Williams's entry-level flatbed range, bought by householders, gardeners and small trades for tip runs, garden waste and general loads. It is the trailer most UK hire yards keep several of, since one size or another suits almost any small job.

Listed by

Full General Duty 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.

Listed by

Full Supreme Treble specifications →

Common questions

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

The Richardson Trailers Supreme Treble is rated 1.3 tonnes heavier gross. The Ifor Williams General Duty is a small flatbed/general purpose trailer range; the Richardson Trailers Supreme Treble is a trailer for two horses and a pony, one forward one reversed.

Can I tow the Ifor Williams General Duty 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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