Head to head
Bockmann Grand Master SR vs Richardson Trailers Supreme Treble
The Bockmann Grand Master SR is a larger polyester 2-horse trailer with walk-in tack room. The Richardson Trailers Supreme Treble is a trailer for two horses and a pony, one forward one reversed.
Last reviewed 13 September 2026
Specifications side by side
| Bockmann Grand Master SR | Richardson Trailers Supreme Treble | |
|---|---|---|
| Gross weight | 2700kg | 2,700kg |
| Payload | 1462kg | - |
| Internal length | 3900mm | - |
| Internal width | 1750mm | - |
| Internal height | 2300mm | - |
| Capacity | - | 2 horses forward, 1 pony reversed |
| Unladen weight | - | 1,260kg |
| External dimensions | - | 5.40m long x 2.29m wide x 2.75m high |
| Internal dimensions | - | 3.54m long x 1.80m wide x 2.33m high |
Sources: Bockmann Grand Master SR, Richardson Trailers Supreme Treble. 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 Supreme Treble if...
A three-berth Richardson trailer built for a household with two horses and a pony rather than a full string. The reversed pony bay keeps overall length down compared with three forward-facing berths, which suits smaller yards and tow vehicles.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
Common questions
What is the difference between the Bockmann Grand Master SR and the Richardson Trailers Supreme Treble?
The Bockmann Grand Master SR is a larger polyester 2-horse trailer with walk-in tack room; the Richardson Trailers Supreme Treble is a trailer for two horses and a pony, one forward one reversed.
Can I tow the Bockmann Grand Master SR or the Richardson Trailers Supreme Treble 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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