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Head to head

Ifor Williams CT177 vs Richardson Trailers Supreme Ultra

The Ifor Williams CT177 is 295kg lighter empty.

Last reviewed 13 September 2026

Ifor Williams CT177
Ifor Williams CT177 - image: Norfolk Trailers
Supreme Ultra
Richardson Trailers Supreme Ultra

Key differences

Specifications side by side

Ifor Williams CT177Richardson Trailers Supreme Ultra
Overall length6.70m / 22'0"5.00 m (16 ft 5 in)
Unladen weight805kg1100 kg
Bed5.00m / 16'4" ((internal) length); 1.91m / 6'3" ((internal) width)-
Gross weight3500kg-
Payloadapprox. 2695kg-
Maximum gross weight-3200 kg
Internal length-3.54 m (11 ft 7 in)
Internal width-1.80 m (5 ft 11 in)

Sources: Ifor Williams CT177, Richardson Trailers Supreme Ultra. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the CT177 if...

  • you want one that is 295kg lighter empty

The CT177 is built to be wide enough for most light commercial vehicles while remaining narrow enough for smaller cars, making it a common choice for vehicle recovery firms and the motor trade. Its long bed and 3500kg GVW keep it within standard car-licence towing limits for a single vehicle plus ramps.

Listed by

Full CT177 specifications →

Buy or hire the Supreme Ultra if...

The Supreme Ultra suits owners looking for a well-established British-built two-horse trailer able to carry a pair of taller horses, since sellers describe it as taking two horses up to about 17.2hh. As a long-running Richardson model it is more often found on the used market now than ordered new.

Listed by

Full Supreme Ultra specifications →

Common questions

What is the difference between the Ifor Williams CT177 and the Richardson Trailers Supreme Ultra?

The Ifor Williams CT177 is 295kg lighter empty. The Ifor Williams CT177 is a a twin-axle car transporter trailer with a long, narrow bed for single-vehicle recovery and trade use.; the Richardson Trailers Supreme Ultra is a a two-horse trailer from British manufacturer Richardson, part of its Supreme range of horse trailers..

Which is lighter, the Ifor Williams CT177 or the Richardson Trailers Supreme Ultra?

The Ifor Williams CT177. It is 295kg lighter empty than the Richardson Trailers Supreme Ultra.

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