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

Key differences
- Gross weight: the Brian James Digger Plant is rated 1 tonnes heavier gross.
Specifications side by side
| Bockmann Portax L K | Brian James Digger Plant | |
|---|---|---|
| Gross weight | 2500kg | 3500kg |
| Payload | 1318kg | - |
| Internal length | 4125mm | - |
| Internal width | 1750mm | - |
| Internal height | 2300mm | - |
| Internal bed | - | 3.2m x 1.7m |
| Axles | - | Twin (12in wheels) |
Sources: Bockmann Portax L K, Brian James Digger Plant. 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 Digger Plant if...
- you want one that is rated 1 tonnes heavier gross
Used by groundworkers and plant hire firms to move a mini digger between sites behind a pickup or 4x4. Its bed size and gross weight target machines around the 3 to 3.5 tonne mark rather than heavier plant.
Listed by
- Formula Trailers,, Brian-James Trailers Main Dealer in the SW UK - Wellington, Poole
Common questions
What is the difference between the Bockmann Portax L K and the Brian James Digger Plant?
The Brian James Digger Plant 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 Digger Plant is a a twin-axle plant trailer built for carrying a mini excavator or similar machine.
Can I tow the Bockmann Portax L K or the Brian James Digger Plant 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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