Head to head
Bockmann Portax L K vs Brian James C Transporter
The Bockmann Portax L K is rated 1 tonnes heavier gross.
Last reviewed 13 September 2026

Key differences
- Gross weight: the Bockmann Portax L K is rated 1 tonnes heavier gross.
Specifications side by side
| Bockmann Portax L K | Brian James C Transporter | |
|---|---|---|
| Gross weight | 2500kg | 1,500kg |
| Payload | 1318kg | - |
| Internal length | 4125mm | - |
| Internal width | 1750mm | - |
| Internal height | 2300mm | - |
| Load capacity | - | 1,010kg |
| Bed length | - | 3.20m |
| Bed width | - | 1.80m |
| Axles | - | Single |
Sources: Bockmann Portax L K, Brian James C Transporter. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Portax L K if...
- you want one that is rated 1 tonnes heavier gross
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 C Transporter if...
Brian James's entry-level open car transporter, a single-axle trailer that a family car can tow. Its 1,010kg load capacity suits a small classic car, track-day hatchback or ride-on mower rather than a modern SUV or performance car.
Listed by
- Bicester Trailer Centre - Bicester
Common questions
What is the difference between the Bockmann Portax L K and the Brian James C Transporter?
The Bockmann Portax L K is rated 1 tonnes heavier gross. The Bockmann Portax L K is a long-wheelbase aluminium 2-horse trailer with front exit; the Brian James C Transporter is a single axle open car transporter trailer.
Can I tow the Bockmann Portax L K or the Brian James C 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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