Head to head
Brian James C4 Blue vs Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)
The Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) is rated 900kg heavier gross. The Brian James C4 Blue is 120kg lighter empty.
Last reviewed 13 September 2026


Key differences
- Gross weight: the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) is rated 900kg heavier gross.
- Unladen weight: the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) weighs 120kg more empty.
Specifications side by side
| Brian James C4 Blue | Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) | |
|---|---|---|
| Gross weight | 2,600kg | 3500kg |
| Unladen weight | 695kg | 815kg |
| Bed length | 5.0m | - |
| Bed width | 2.0m | - |
| Payload | - | 2685kg |
| Internal size | - | 3.65 x 1.83 |
| Bed height | - | 430mm |
Sources: Brian James C4 Blue, Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED). Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the C4 Blue if...
- you want one that is 120kg lighter empty
A twin-axle open car transporter built to carry one road or track car behind a family car or 4x4. Track-day drivers and small vehicle traders hire it for moving a single car without the cost of an enclosed trailer.
Full C4 Blue specifications →Buy or hire the Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) if...
- you want one that is rated 900kg heavier gross
The larger Challenger 50 beavertail for bigger mini excavators and compact plant. Used by groundworks firms and hire fleets that need extra bed length.
Full Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) specifications →Common questions
What is the difference between the Brian James C4 Blue and the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?
The Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) is rated 900kg heavier gross. The Brian James C4 Blue is 120kg lighter empty. The Brian James C4 Blue is a twin-axle car transporter trailer; the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) is a 12 ft x 6 ft 3.5 tonne beavertail plant trailer.
Which is lighter, the Brian James C4 Blue or the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?
The Brian James C4 Blue. It is 120kg lighter empty than the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED).
Can I tow the Brian James C4 Blue or the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) 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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