Head to head
Ifor Williams GD85 vs Richardson Trailers Supreme Ultra
The Ifor Williams GD85 is 705kg lighter empty.
Last reviewed 13 September 2026

Key differences
- Unladen weight: the Richardson Trailers Supreme Ultra weighs 705kg more empty.
Specifications side by side
| Ifor Williams GD85 | Richardson Trailers Supreme Ultra | |
|---|---|---|
| Unladen weight | 395kg single axle / 485kg twin axle | 1100 kg |
| Gross weight | 1,400kg single axle / 2,700kg twin axle | - |
| Internal bed | 2.5m x 1.58m (8ft 2in x 5ft 2in) | - |
| Brakes | Braked, auto-reverse over-run | - |
| Maximum gross weight | - | 3200 kg |
| Overall length | - | 5.00 m (16 ft 5 in) |
| Internal length | - | 3.54 m (11 ft 7 in) |
| Internal width | - | 1.80 m (5 ft 11 in) |
Sources: Ifor Williams GD85, Richardson Trailers Supreme Ultra. 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 705kg 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 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
- Horse Trailer Sales - Robertsbridge, Staplecross
Common questions
What is the difference between the Ifor Williams GD85 and the Richardson Trailers Supreme Ultra?
The Ifor Williams GD85 is 705kg lighter empty. The Ifor Williams GD85 is a general duty box trailer, single or twin axle; 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 GD85 or the Richardson Trailers Supreme Ultra?
The Ifor Williams GD85. It is 705kg lighter empty than the Richardson Trailers Supreme Ultra.
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