Head to head
Ifor Williams General Duty vs Ifor Williams HB403
The Ifor Williams HB403 is 1.24m (4ft) longer inside and is rated 200kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Internal length: the Ifor Williams HB403 is 1.24m (4ft) longer inside.
- Gross weight: the Ifor Williams HB403 is rated 200kg heavier gross.
- Internal width: the Ifor Williams HB403 is 7cm wider inside.
Specifications side by side
| Ifor Williams General Duty | Ifor Williams HB403 | |
|---|---|---|
| Gross weight | 1400kg to 2700kg depending on model | 1600kg |
| Internal length | 1.84m (6ft) to 3.71m (12ft 2in) | 3.08m |
| Internal width | 1.23m (4ft) to 1.71m (5ft 6in) | 1.30m |
| Axles | Single or twin axle | - |
| Unladen weight | - | 767kg |
| Payload | - | 833kg |
Sources: Ifor Williams General Duty, Ifor Williams HB403. 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
- John Page Trailers Ltd - Ashford, Biddenden
Buy or hire the HB403 if...
- you want one that is 1.24m (4ft) longer inside
- you want one that is rated 200kg heavier gross
- you want one that is 7cm wider inside
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 General Duty and the Ifor Williams HB403?
The Ifor Williams HB403 is 1.24m (4ft) longer inside and is rated 200kg heavier gross. The Ifor Williams General Duty is a small flatbed/general purpose trailer range; the Ifor Williams HB403 is a a compact single-horse or two-pony horsebox trailer.
Can I tow the Ifor Williams General Duty 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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