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Bockmann TL-ALK 2513/135 vs Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS)

The Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS) is rated 2,150kg heavier gross and carries 1,649kg more.

Last reviewed 13 September 2026

Bockmann TL-ALK 2513/135
Bockmann TL-ALK 2513/135 - image: Bckmann UK Trailers & Horseboxes
Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS)
Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS) - image: Indespension

Key differences

Specifications side by side

Bockmann TL-ALK 2513/135Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS)
Gross weight1350kg3500kg
Payload1106kg2755kg
Internal bed2515mm x 1300mm-
Axles1-
BrakesBraked (overrun)-
Unladen weight-745kg
Internal size-3.04 x 1.68
Bed height-430mm

Sources: Bockmann TL-ALK 2513/135, 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 TL-ALK 2513/135 if...

A single-axle box trailer that also tips, giving private and trade users a lightweight option for both general loads and loose materials. It fits within a car's braked towing limit for many vehicles.

Listed by

Full TL-ALK 2513/135 specifications →

Buy or hire the Challenger 50 Beavertail 10 x 5 (AD35105BTS) if...

  • you want one that is rated 2,150kg heavier gross
  • you want one that carries 1,649kg more

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 TL-ALK 2513/135 and the Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS)?

The Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS) is rated 2,150kg heavier gross and carries 1,649kg more. The Bockmann TL-ALK 2513/135 is a small tipping low-loader box trailer; 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 TL-ALK 2513/135 or the Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS)?

The Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS), by 1,649kg.

Can I tow the Bockmann TL-ALK 2513/135 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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