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Ifor Williams CT136 vs Richardson Trailers Supreme Treble

The Ifor Williams CT136 is 860kg lighter empty. The Richardson Trailers Supreme Treble is rated 1.3 tonnes heavier gross.

Last reviewed 13 September 2026

Ifor Williams CT136
Ifor Williams CT136 - image: Blains Trailers & Tyres
Supreme Treble
Richardson Trailers Supreme Treble

Key differences

Specifications side by side

Ifor Williams CT136Richardson Trailers Supreme Treble
Gross weight1,400kg single axle / 2,000kg twin axle / 2,600kg CT136HD2,700kg
Unladen weight400kg single axle / 495kg twin axle1,260kg
Bed4.00m x 1.84m-
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 CT136, Richardson Trailers Supreme Treble. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the CT136 if...

  • you want one that is 860kg lighter empty

The accessible end of car transport, for towing a road car, a track-day car or a small classic. Motorsport and classic-car owners tend toward the twin-axle and HD versions for the higher gross weight and the tie-down provision.

Full CT136 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 CT136 and the Richardson Trailers Supreme Treble?

The Ifor Williams CT136 is 860kg lighter empty. The Richardson Trailers Supreme Treble is rated 1.3 tonnes heavier gross. The Ifor Williams CT136 is a flatbed car transporter, 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 CT136 or the Richardson Trailers Supreme Treble?

The Ifor Williams CT136. It is 860kg lighter empty than the Richardson Trailers Supreme Treble.

Can I tow the Ifor Williams CT136 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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