Head to head
Bockmann Grand Master SR vs Brian James A Transporter (A4)
The Bockmann Grand Master SR is rated 700kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Bockmann Grand Master SR is rated 700kg heavier gross.
Specifications side by side
| Bockmann Grand Master SR | Brian James A Transporter (A4) | |
|---|---|---|
| Gross weight | 2700kg | 2,000kg to 3,000kg depending on variant |
| Payload | 1462kg | - |
| Internal length | 3900mm | - |
| Internal width | 1750mm | - |
| Internal height | 2300mm | - |
| Bed | - | 3.7m x 1.8m up to 5.0m x 2.0m depending on variant |
| Brakes | - | Braked, tandem axle |
Sources: Bockmann Grand Master SR, Brian James A Transporter (A4). 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 rated 700kg 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 A Transporter (A4) if...
One of the most common car trailers in Britain, bought by trade and private owners for moving road cars, project cars and small vans. The reason it sells is the spread of bed length and gross weight combinations, which lets you match the trailer to the tow car rather than the other way round.
Listed by
- Fieldfare Trailer Centre - Salisbury
- Bicester Trailer Centre - Bicester
- Trek-Trailers Three Counties - Hereford
Common questions
What is the difference between the Bockmann Grand Master SR and the Brian James A Transporter (A4)?
The Bockmann Grand Master SR is rated 700kg heavier gross. The Bockmann Grand Master SR is a larger polyester 2-horse trailer with walk-in tack room; the Brian James A Transporter (A4) is a open flatbed car transporter, twin axle.
Can I tow the Bockmann Grand Master SR or the Brian James A Transporter (A4) 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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