Head to head
Bockmann Portax L K vs Brian James A-Max 305
The Brian James A-Max 305 carries 717kg more and is rated 100kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Payload: the Brian James A-Max 305 carries 717kg more.
- Gross weight: the Brian James A-Max 305 is rated 100kg heavier gross.
Specifications side by side
| Bockmann Portax L K | Brian James A-Max 305 | |
|---|---|---|
| Gross weight | 2500kg | 2600kg |
| Payload | 1318kg | 2035kg |
| Internal length | 4125mm | - |
| Internal width | 1750mm | - |
| Internal height | 2300mm | - |
| Internal bed | - | 4.3m x 1.96m |
Sources: Bockmann Portax L K, Brian James A-Max 305. 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 A-Max 305 if...
- you want one that carries 717kg more
- you want one that is rated 100kg heavier gross
Suits owners of larger saloons or estate cars who have outgrown the shorter A-Max 210 but do not need a full car-transporter range trailer. The extra bed length and payload give more margin for a heavier road car.
Listed by
- A47 Barwell Trailers Sales Hire Service Ltd - Leicester, Barwell
Common questions
What is the difference between the Bockmann Portax L K and the Brian James A-Max 305?
The Brian James A-Max 305 carries 717kg more and is rated 100kg heavier gross. The Bockmann Portax L K is a long-wheelbase aluminium 2-horse trailer with front exit; the Brian James A-Max 305 is a a longer, higher-capacity version of the A-Max flatbed car trailer.
Which carries more, the Bockmann Portax L K or the Brian James A-Max 305?
The Brian James A-Max 305, by 717kg.
Can I tow the Bockmann Portax L K or the Brian James A-Max 305 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.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.