Head to head
Brian James A4 Transporter vs Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)
The Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) carries 455kg more and is rated 500kg heavier gross. The Brian James A4 Transporter is 45kg lighter empty.
Last reviewed 13 September 2026


Key differences
- Payload: the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) carries 455kg more.
- Gross weight: the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) is rated 500kg heavier gross.
- Unladen weight: the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) weighs 45kg more empty.
Specifications side by side
| Brian James A4 Transporter | Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) | |
|---|---|---|
| Gross weight | 3000kg | 3500kg |
| Unladen weight | 770kg | 815kg |
| Payload | 2230kg | 2685kg |
| Internal bed | 4.5m x 2.0m | - |
| Axles | Twin axle | - |
| Internal size | - | 3.65 x 1.83 |
| Bed height | - | 430mm |
Sources: Brian James A4 Transporter, 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 A4 Transporter if...
- you want one that is 45kg lighter empty
The A4 Transporter suits driving schools, small dealers and enthusiasts who need to move one car at a time behind a car-derived tow vehicle, offering a simple twin-axle bed without the cost of a beavertail or enclosed body. Its compact size makes it easier to store and manoeuvre than the longer trailers in the A Transporter range.
Listed by
- Compass Trailers - Lewes, Ringmer
- Saxons Trailers - Westerham, Biggin Hill
- R M Trailer Centre - Middlesbrough, North Ormesby
- Formula Trailers,, Brian-James Trailers Main Dealer in the SW UK - Wellington, Poole
Buy or hire the Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) if...
- you want one that carries 455kg more
- you want one that is rated 500kg 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 A4 Transporter and the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?
The Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED) carries 455kg more and is rated 500kg heavier gross. The Brian James A4 Transporter is 45kg lighter empty. The Brian James A4 Transporter is a twin-axle open car transporter trailer from Brian James' A Transporter range, built for towing one car on a 4.5m bed.; 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 A4 Transporter or the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?
The Brian James A4 Transporter. It is 45kg lighter empty than the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED).
Which carries more, the Brian James A4 Transporter or the Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED)?
The Indespension Challenger 50 Beavertail 12 x 6 (AD35126BTSLED), by 455kg.
Can I tow the Brian James A4 Transporter 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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