Head to head
Ifor Williams HB511 vs Ifor Williams HBE506
The Ifor Williams HB511 is rated 700kg heavier gross and is 26cm longer inside. The Ifor Williams HBE506 is 225kg lighter empty.
Last reviewed 13 September 2026

Key differences
- Gross weight: the Ifor Williams HB511 is rated 700kg heavier gross.
- Unladen weight: the Ifor Williams HB511 weighs 225kg more empty.
- Internal length: the Ifor Williams HB511 is 26cm longer inside.
- Internal width: the Ifor Williams HB511 is 12cm wider inside.
Specifications side by side
| Ifor Williams HB511 | Ifor Williams HBE506 | |
|---|---|---|
| Gross weight | 2,700kg | 2000kg |
| Unladen weight | 1,000kg | 775kg |
| Internal length | 3.52m | 3.26m |
| Internal width | 1.79m | 1.67m |
| Brakes | Braked | - |
| Payload | - | 1225kg |
Sources: Ifor Williams HB511, Ifor Williams HBE506. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HB511 if...
- you want one that is rated 700kg heavier gross
- you want one that is 26cm longer inside
- you want one that is 12cm wider inside
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
Buy or hire the HBE506 if...
- you want one that is 225kg lighter empty
Aimed at owners who want HB506-sized space for two horses or ponies but need a lower gross weight to stay within a smaller car's towing limit.
Listed by
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Ifor Williams HB511 and the Ifor Williams HBE506?
The Ifor Williams HB511 is rated 700kg heavier gross and is 26cm longer inside. The Ifor Williams HBE506 is 225kg lighter empty. The Ifor Williams HB511 is a two-horse trailer, twin axle, wider body; the Ifor Williams HBE506 is a a lighter-weight version of the HB506 double horsebox.
Which is lighter, the Ifor Williams HB511 or the Ifor Williams HBE506?
The Ifor Williams HBE506. It is 225kg lighter empty than the Ifor Williams HB511.
Can I tow the Ifor Williams HB511 or the Ifor Williams HBE506 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.
