Head to head
Bockmann VA 3520/35 P vs Ifor Williams HB510XL
The Ifor Williams HB510XL is 71cm (2.5ft) longer inside. The Bockmann VA 3520/35 P is 26cm wider inside and carries 54kg more.
Last reviewed 13 September 2026
Key differences
- Internal length: the Ifor Williams HB510XL is 71cm (2.5ft) longer inside.
- Internal width: the Bockmann VA 3520/35 P is 26cm wider inside.
- Payload: the Bockmann VA 3520/35 P carries 54kg more.
Specifications side by side
| Bockmann VA 3520/35 P | Ifor Williams HB510XL | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Payload | 2264kg | 2210kg |
| Internal length | 3545mm | 4.25m |
| Internal width | 2000mm | 1.74m |
| Internal height | 2090mm | - |
| Unladen weight | - | 1290kg |
Sources: Bockmann VA 3520/35 P, Ifor Williams HB510XL. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the VA 3520/35 P if...
- you want one that is 26cm wider inside
- you want one that carries 54kg more
A mid-size livestock trailer from Bockmann's cattle range, sized for moving a handful of cattle or similar stock at once. It suits smaller livestock farms that do not need the largest 8.6m2 body.
Listed by
- Böckmann UK Trailers & Horseboxes - Cinderford, Littledean
Buy or hire the HB510XL if...
- you want one that is 71cm (2.5ft) longer inside
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
Common questions
What is the difference between the Bockmann VA 3520/35 P and the Ifor Williams HB510XL?
The Ifor Williams HB510XL is 71cm (2.5ft) longer inside. The Bockmann VA 3520/35 P is 26cm wider inside and carries 54kg more. The Bockmann VA 3520/35 P is a 6.6m2 cattle trailer; the Ifor Williams HB510XL is a an extra-length double horsebox trailer.
Which carries more, the Bockmann VA 3520/35 P or the Ifor Williams HB510XL?
The Bockmann VA 3520/35 P, by 54kg.
Can I tow the Bockmann VA 3520/35 P or the Ifor Williams HB510XL 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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