Head to head
Bockmann 4.2t Compact vs Ifor Williams HB511
The Bockmann 4.2t Compact 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
| Bockmann 4.2t Compact | Ifor Williams HB511 | |
|---|---|---|
| Brakes | Braked | Braked |
| Size | 2114mm x 6170mm x 3130mm | - |
| Gross weight | - | 2,700kg |
| Unladen weight | - | 1,000kg |
| Internal length | - | 3.52m |
| Internal width | - | 1.79m |
Sources: Bockmann 4.2t Compact, Ifor Williams HB511. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the 4.2t Compact if...
Bockmann 4.2t Compact, carried by UK dealers and hire companies listed on GetBrent for sale. Horseboxes and horse trailers like this are chosen by private owners and competition yards moving horses to shows, vets and new yards.
Listed by
- Böckmann UK Trailers & Horseboxes - Cinderford, Littledean
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 Bockmann 4.2t Compact and the Ifor Williams HB511?
The Bockmann 4.2t Compact is a horsebox or horse trailer; the Ifor Williams HB511 is a two-horse trailer, twin axle, wider body.
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