Head to head
Bockmann Grand Master SR vs Bockmann Portax K
The Bockmann Grand Master SR carries 197kg more and is rated 300kg heavier gross. The Bockmann Portax K is 5cm taller inside.
Last reviewed 13 September 2026
Key differences
- Payload: the Bockmann Grand Master SR carries 197kg more.
- Gross weight: the Bockmann Grand Master SR is rated 300kg heavier gross.
- Internal length: the Bockmann Grand Master SR is 34cm (1ft) longer inside.
- Internal height: the Bockmann Portax K is 5cm taller inside.
Specifications side by side
| Bockmann Grand Master SR | Bockmann Portax K | |
|---|---|---|
| Gross weight | 2700kg | 2400kg |
| Payload | 1462kg | 1265kg |
| Internal length | 3900mm | 3560mm |
| Internal width | 1750mm | 1750mm |
| Internal height | 2300mm | 2350mm |
Sources: Bockmann Grand Master SR, Bockmann Portax K. 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 carries 197kg more
- you want one that is rated 300kg heavier gross
- you want one that is 34cm (1ft) longer inside
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 Portax K if...
- you want one that is 5cm taller inside
A mid-range Portax with a front unloading ramp, bought by owners who value being able to lead a horse out the front rather than reversing it out. It sits below the Big Portax models in size and price.
Listed by
- Böckmann UK Trailers & Horseboxes - Cinderford, Littledean
Common questions
What is the difference between the Bockmann Grand Master SR and the Bockmann Portax K?
The Bockmann Grand Master SR carries 197kg more and is rated 300kg heavier gross. The Bockmann Portax K is 5cm taller inside. The Bockmann Grand Master SR is a larger polyester 2-horse trailer with walk-in tack room; the Bockmann Portax K is a aluminium 2-horse trailer with front exit.
Which carries more, the Bockmann Grand Master SR or the Bockmann Portax K?
The Bockmann Grand Master SR, by 197kg.
Can I tow the Bockmann Grand Master SR or the Bockmann Portax K 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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