Head to head
Ifor Williams GD85 vs Ifor Williams HB403
The Ifor Williams GD85 is 372kg lighter empty. The Ifor Williams HB403 is rated 200kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB403 weighs 372kg more empty.
- Gross weight: the Ifor Williams HB403 is rated 200kg heavier gross.
Specifications side by side
| Ifor Williams GD85 | Ifor Williams HB403 | |
|---|---|---|
| Gross weight | 1,400kg single axle / 2,700kg twin axle | 1600kg |
| Unladen weight | 395kg single axle / 485kg twin axle | 767kg |
| Internal bed | 2.5m x 1.58m (8ft 2in x 5ft 2in) | - |
| Brakes | Braked, auto-reverse over-run | - |
| Payload | - | 833kg |
| Internal length | - | 3.08m |
| Internal width | - | 1.30m |
Sources: Ifor Williams GD85, Ifor Williams HB403. 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 372kg 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 HB403 if...
- you want one that is rated 200kg heavier gross
The smallest trailer in the HB horsebox range, bought by owners of a single horse or a couple of ponies who want the lightest legal option that can still be towed by a mid-size car.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Ifor Williams GD85 and the Ifor Williams HB403?
The Ifor Williams GD85 is 372kg lighter empty. The Ifor Williams HB403 is rated 200kg heavier gross. The Ifor Williams GD85 is a general duty box trailer, single or twin axle; the Ifor Williams HB403 is a a compact single-horse or two-pony horsebox trailer.
Which is lighter, the Ifor Williams GD85 or the Ifor Williams HB403?
The Ifor Williams GD85. It is 372kg lighter empty than the Ifor Williams HB403.
Can I tow the Ifor Williams GD85 or the Ifor Williams HB403 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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