Head to head
Ifor Williams HB111 vs Ifor Williams HB511
The Ifor Williams HB111 is a horsebox or horse trailer. The Ifor Williams HB511 is a two-horse trailer, twin axle, wider body.
Last reviewed 13 September 2026
Specifications side by side
| Ifor Williams HB111 | Ifor Williams HB511 | |
|---|---|---|
| Gross weight | 2700kg | 2,700kg |
| Size | 15ft3in x 7ft3in x 9ft | - |
| Unladen weight | - | 1,000kg |
| Internal length | - | 3.52m |
| Internal width | - | 1.79m |
| Brakes | - | Braked |
Sources: Ifor Williams HB111, Ifor Williams HB511. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HB111 if...
Ifor Williams HB111, carried by UK dealers and hire companies listed on GetBrent for hire. Horseboxes and horse trailers like this are chosen by private owners and competition yards moving horses to shows, vets and new yards.
Listed by
- R M Trailer Centre - Middlesbrough, North Ormesby
Buy or hire the HB511 if...
The wider step up from the HB506, for larger horses or owners who want more room in transit. The extra 12cm of internal width and 36cm of length cost 80kg unladen, which is worth checking against your tow vehicle before choosing it over the HB506.
Listed by
- Trek-Trailers Lincolnshire - Doncaster, Belton
- Trek-Trailers Suffolk - Bury Saint Edmunds
- R M Trailer Centre - Middlesbrough, North Ormesby
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- Horse Trailer Sales - Robertsbridge, Staplecross
- Trek-Trailers Three Counties - Hereford
Common questions
What is the difference between the Ifor Williams HB111 and the Ifor Williams HB511?
The Ifor Williams HB111 is a horsebox or horse trailer; the Ifor Williams HB511 is a two-horse trailer, twin axle, wider body.
Can I tow the Ifor Williams HB111 or the Ifor Williams HB511 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.