Head to head
Bockmann Portax L K vs Richardson Trailers Supreme Treble
The Richardson Trailers Supreme Treble is rated 200kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Richardson Trailers Supreme Treble is rated 200kg heavier gross.
Specifications side by side
| Bockmann Portax L K | Richardson Trailers Supreme Treble | |
|---|---|---|
| Gross weight | 2500kg | 2,700kg |
| Payload | 1318kg | - |
| Internal length | 4125mm | - |
| 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 Portax L K, Richardson Trailers Supreme Treble. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Portax L K if...
The longer 'L' version of the Portax K, giving taller or bigger horses more room while keeping the front-exit layout. It appeals to owners of warmbloods or cobs who found the standard Portax K too tight.
Listed by
- Böckmann UK Trailers & Horseboxes - Cinderford, Littledean
Buy or hire the Supreme Treble if...
- you want one that is rated 200kg heavier gross
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 Portax L K and the Richardson Trailers Supreme Treble?
The Richardson Trailers Supreme Treble is rated 200kg heavier gross. The Bockmann Portax L K is a long-wheelbase aluminium 2-horse trailer with front exit; the Richardson Trailers Supreme Treble is a trailer for two horses and a pony, one forward one reversed.
Can I tow the Bockmann Portax L K 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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