Head to head
Ifor Williams HB510XL vs Ifor Williams HB610
The Ifor Williams HB610 is 33cm (1ft) wider inside. The Ifor Williams HB510XL is 160kg lighter empty and carries 160kg more.
Last reviewed 2 November 2026
Key differences
- Internal width: the Ifor Williams HB610 is 33cm (1ft) wider inside.
- Unladen weight: the Ifor Williams HB610 weighs 160kg more empty.
- Payload: the Ifor Williams HB510XL carries 160kg more.
Specifications side by side
| Ifor Williams HB510XL | Ifor Williams HB610 | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 1290kg | 1450kg |
| Payload | 2210kg | 2050kg |
| Internal length | 4.25m | 4.25m |
| Internal width | 1.74m | 2.07m |
Sources: Ifor Williams HB510XL, Ifor Williams HB610. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HB510XL if...
- you want one that is 160kg lighter empty
- you want one that carries 160kg more
For owners of taller or longer horses who find the standard HB511 too tight, giving extra internal length on the same 3500kg chassis so it stays towable by a suitably rated 4x4.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
Buy or hire the HB610 if...
- you want one that is 33cm (1ft) 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 HB510XL and the Ifor Williams HB610?
The Ifor Williams HB610 is 33cm (1ft) wider inside. The Ifor Williams HB510XL is 160kg lighter empty and carries 160kg more. The Ifor Williams HB510XL is a an extra-length double horsebox trailer; the Ifor Williams HB610 is a ifor Williams' largest standard double horsebox trailer.
Which is lighter, the Ifor Williams HB510XL or the Ifor Williams HB610?
The Ifor Williams HB510XL. It is 160kg lighter empty than the Ifor Williams HB610.
Which carries more, the Ifor Williams HB510XL or the Ifor Williams HB610?
The Ifor Williams HB510XL, by 160kg.
Can I tow the Ifor Williams HB510XL 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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