Head to head
Bockmann Portax L K vs Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS)
The Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS) carries 1,437kg more and is rated 1 tonnes heavier gross.
Last reviewed 13 September 2026
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Key differences
- Payload: the Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS) carries 1,437kg more.
- Gross weight: the Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS) is rated 1 tonnes heavier gross.
Specifications side by side
| Bockmann Portax L K | Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS) | |
|---|---|---|
| Gross weight | 2500kg | 3500kg |
| Payload | 1318kg | 2755kg |
| Internal length | 4125mm | - |
| Internal width | 1750mm | - |
| Internal height | 2300mm | - |
| Unladen weight | - | 745kg |
| Internal size | - | 3.04 x 1.68 |
| Bed height | - | 430mm |
Sources: Bockmann Portax L K, Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS). 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 Challenger 50 Beavertail 10 x 5 (AD35105BTS) if...
- you want one that carries 1,437kg more
- you want one that is rated 1 tonnes heavier gross
A UK built galvanised plant trailer with a low loading beavertail for mini diggers, scissor lifts and rollers. Common on mini digger hire fleets and with small groundworks firms.
Full Challenger 50 Beavertail 10 x 5 (AD35105BTS) specifications →Common questions
What is the difference between the Bockmann Portax L K and the Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS)?
The Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS) carries 1,437kg more and is rated 1 tonnes heavier gross. The Bockmann Portax L K is a long-wheelbase aluminium 2-horse trailer with front exit; the Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS) is a 10 ft x 5 ft 3.5 tonne beavertail plant trailer.
Which carries more, the Bockmann Portax L K or the Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS)?
The Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS), by 1,437kg.
Can I tow the Bockmann Portax L K or the Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS) 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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