Head to head
Ifor Williams General Duty vs Ifor Williams HBX506
The Ifor Williams HBX506 is rated 1.2 tonnes heavier gross and is 1.42m (4.5ft) longer inside.
Last reviewed 13 September 2026

Key differences
- Gross weight: the Ifor Williams HBX506 is rated 1.2 tonnes heavier gross.
- Internal length: the Ifor Williams HBX506 is 1.42m (4.5ft) longer inside.
- Internal width: the Ifor Williams HBX506 is 44cm (1.5ft) wider inside.
Specifications side by side
| Ifor Williams General Duty | Ifor Williams HBX506 | |
|---|---|---|
| Gross weight | 1400kg to 2700kg depending on model | 2600kg |
| Internal length | 1.84m (6ft) to 3.71m (12ft 2in) | 3.26m |
| Internal width | 1.23m (4ft) to 1.71m (5ft 6in) | 1.67m |
| Axles | Single or twin axle | - |
| Unladen weight | - | 865kg |
| Payload | - | 1735kg |
Sources: Ifor Williams General Duty, Ifor Williams HBX506. 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 HBX506 if...
- you want one that is rated 1.2 tonnes heavier gross
- you want one that is 1.42m (4.5ft) longer inside
- you want one that is 44cm (1.5ft) wider inside
A mid-size horsebox for owners moving one or two horses who want the updated HBX styling and features rather than the standard HB range trailer.
Listed by
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
- East Midlands Trailers - Leicester, Thrussington
- R M Trailer Centre - Middlesbrough, North Ormesby
Common questions
What is the difference between the Ifor Williams General Duty and the Ifor Williams HBX506?
The Ifor Williams HBX506 is rated 1.2 tonnes heavier gross and is 1.42m (4.5ft) longer inside. The Ifor Williams General Duty is a small flatbed/general purpose trailer range; the Ifor Williams HBX506 is a a double horsebox trailer from Ifor Williams' HBX range.
Can I tow the Ifor Williams General Duty or the Ifor Williams HBX506 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.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.
