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Brian James C4 Transporter vs Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS)

The Brian James C4 Transporter is a car transporter trailer. The Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS) is a 10 ft x 5 ft 3.5 tonne beavertail plant trailer.

Last reviewed 13 September 2026

Brian James C4 Transporter
Brian James C4 Transporter - image: other Brian James model shown; image from threeshirestrailers.co.uk
Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS)
Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS) - image: Indespension

Specifications side by side

Brian James C4 TransporterIndespension Challenger 50 Beavertail 10 x 5 (AD35105BTS)
Gross weight2000-2600kg (range across C4 variants)3500kg
Deck length12ft 2in (3.7m) loading area, up to 16ft overall-
Deck width5ft 10in - 6ft-
Axles2-
Ramps8ft loading ramps included-
Unladen weight-745kg
Payload-2755kg
Internal size-3.04 x 1.68
Bed height-430mm

Sources: Brian James C4 Transporter, 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 C4 Transporter if...

A twin-axle trailer for moving a single car, van or small plant item, used by garages, racers and recovery firms. It is light enough for many family cars to tow while still carrying a saloon or hatchback on its own wheels.

Full C4 Transporter specifications →

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

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 Brian James C4 Transporter and the Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS)?

The Brian James C4 Transporter is a car transporter trailer; the Indespension Challenger 50 Beavertail 10 x 5 (AD35105BTS) is a 10 ft x 5 ft 3.5 tonne beavertail plant trailer.

Can I tow the Brian James C4 Transporter 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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