Head to head
Bockmann Grand Master SR vs Ifor Williams HBX506
The Bockmann Grand Master SR is 64cm (2ft) longer inside and is 8cm wider inside. The Ifor Williams HBX506 carries 273kg more.
Last reviewed 13 September 2026
Key differences
- Internal length: the Bockmann Grand Master SR is 64cm (2ft) longer inside.
- Payload: the Ifor Williams HBX506 carries 273kg more.
- Internal width: the Bockmann Grand Master SR is 8cm wider inside.
- Gross weight: the Bockmann Grand Master SR is rated 100kg heavier gross.
Specifications side by side
| Bockmann Grand Master SR | Ifor Williams HBX506 | |
|---|---|---|
| Gross weight | 2700kg | 2600kg |
| Payload | 1462kg | 1735kg |
| Internal length | 3900mm | 3.26m |
| Internal width | 1750mm | 1.67m |
| Internal height | 2300mm | - |
| Unladen weight | - | 865kg |
Sources: Bockmann Grand Master SR, Ifor Williams HBX506. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Grand Master SR if...
- you want one that is 64cm (2ft) longer inside
- you want one that is 8cm wider inside
- you want one that is rated 100kg heavier gross
The top trim of the Master line, with a walk-in tack room and centre-post partition for owners who want more storage and easier loading than the basic Master. Suits liveries and competition riders travelling one or two larger horses.
Listed by
- Böckmann UK Trailers & Horseboxes - Cinderford, Littledean
Buy or hire the HBX506 if...
- you want one that carries 273kg more
A mid-size horsebox for owners moving one or two horses who want the updated HBX styling and features rather than the standard HB range trailer.
Listed by
- R M Trailer Centre - Middlesbrough, North Ormesby
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Bockmann Grand Master SR and the Ifor Williams HBX506?
The Bockmann Grand Master SR is 64cm (2ft) longer inside and is 8cm wider inside. The Ifor Williams HBX506 carries 273kg more. The Bockmann Grand Master SR is a larger polyester 2-horse trailer with walk-in tack room; the Ifor Williams HBX506 is a a double horsebox trailer from Ifor Williams' HBX range.
Which carries more, the Bockmann Grand Master SR or the Ifor Williams HBX506?
The Ifor Williams HBX506, by 273kg.
Can I tow the Bockmann Grand Master SR or the Ifor Williams HBX506 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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