Head to head
Bockmann Grand Master SR vs Brian James C4 Transporter
The Bockmann Grand Master SR is a larger polyester 2-horse trailer with walk-in tack room. The Brian James C4 Transporter is a car transporter trailer.
Last reviewed 13 September 2026
Specifications side by side
| Bockmann Grand Master SR | Brian James C4 Transporter | |
|---|---|---|
| Gross weight | 2700kg | 2000-2600kg (range across C4 variants) |
| Payload | 1462kg | - |
| Internal length | 3900mm | - |
| Internal width | 1750mm | - |
| Internal height | 2300mm | - |
| Deck length | - | 12ft 2in (3.7m) loading area, up to 16ft overall |
| Deck width | - | 5ft 10in - 6ft |
| Axles | - | 2 |
| Ramps | - | 8ft loading ramps included |
Sources: Bockmann Grand Master SR, Brian James C4 Transporter. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Grand Master SR if...
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 C4 Transporter if...
A twin-axle trailer for moving a single car, van or small plant item, used by garages, racers and recovery firms. It is light enough for many family cars to tow while still carrying a saloon or hatchback on its own wheels.
Listed by
- Lancaster trailer hire - ELY
- Derby Trailer Hire Limited - Derby
Common questions
What is the difference between the Bockmann Grand Master SR and the Brian James C4 Transporter?
The Bockmann Grand Master SR is a larger polyester 2-horse trailer with walk-in tack room; the Brian James C4 Transporter is a car transporter trailer.
Can I tow the Bockmann Grand Master SR or the Brian James C4 Transporter 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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