Head to head
Ifor Williams HB511 vs Ifor Williams HB610
The Ifor Williams HB511 is 450kg lighter empty. The Ifor Williams HB610 is rated 800kg heavier gross and is 73cm (2.5ft) longer inside.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB610 weighs 450kg more empty.
- Gross weight: the Ifor Williams HB610 is rated 800kg heavier gross.
- Internal length: the Ifor Williams HB610 is 73cm (2.5ft) longer inside.
- Internal width: the Ifor Williams HB610 is 28cm wider inside.
Specifications side by side
| Ifor Williams HB511 | Ifor Williams HB610 | |
|---|---|---|
| Gross weight | 2,700kg | 3500kg |
| Unladen weight | 1,000kg | 1450kg |
| Internal length | 3.52m | 4.25m |
| Internal width | 1.79m | 2.07m |
| Brakes | Braked | - |
| Payload | - | 2050kg |
Sources: Ifor Williams HB511, Ifor Williams HB610. 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 450kg lighter empty
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 HB610 if...
- you want one that is rated 800kg heavier gross
- you want one that is 73cm (2.5ft) longer inside
- you want one that is 28cm wider inside
Bought by owners with two large horses, up to 17.2hh, who need the widest and roomiest trailer Ifor Williams builds at 3500kg, rather than stepping up to a horsebox lorry.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
Common questions
What is the difference between the Ifor Williams HB511 and the Ifor Williams HB610?
The Ifor Williams HB511 is 450kg lighter empty. The Ifor Williams HB610 is rated 800kg heavier gross and is 73cm (2.5ft) longer inside. The Ifor Williams HB511 is a two-horse trailer, twin axle, wider body; the Ifor Williams HB610 is a ifor Williams' largest standard double horsebox trailer.
Which is lighter, the Ifor Williams HB511 or the Ifor Williams HB610?
The Ifor Williams HB511. It is 450kg lighter empty than the Ifor Williams HB610.
Can I tow the Ifor Williams HB511 or the Ifor Williams HB610 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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