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Brian James A Transporter (A4) vs PRG Trailers ProLine Beavertail

The PRG Trailers ProLine Beavertail is rated 1 tonnes heavier gross.

Last reviewed 13 September 2026

A Transporter (A4)
Brian James A Transporter (A4)
PRG Trailers ProLine Beavertail
PRG Trailers ProLine Beavertail - image: prgtrailers.co.uk

Key differences

Specifications side by side

Brian James A Transporter (A4)PRG Trailers ProLine Beavertail
Gross weight2,000kg to 3,000kg depending on variant3,000kg (twin axle, 10in wheels) up to 3,500kg (twin axle 13in wheels, and all tri axle models)
BrakesBraked, tandem axleBraked (Alko AAA self-adjusting brakes)
Bed3.7m x 1.8m up to 5.0m x 2.0m depending on variant-
Payload-1,975kg to 2,550kg depending on configuration
Internal bed-4.88m to 6.40m long, 2.13m or 2.28m wide
Axles-Twin or Tri

Sources: Brian James A Transporter (A4), PRG Trailers ProLine Beavertail. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the A Transporter (A4) if...

One of the most common car trailers in Britain, bought by trade and private owners for moving road cars, project cars and small vans. The reason it sells is the spread of bed length and gross weight combinations, which lets you match the trailer to the tow car rather than the other way round.

Full A Transporter (A4) specifications →

Buy or hire the ProLine Beavertail if...

  • you want one that is rated 1 tonnes heavier gross

The ProLine Beavertail suits owners of low-ground-clearance cars, since its beavertail ramp lets a car drive on and off without grounding, unlike a flat-bed transporter. PRG offers it across twin and tri-axle chassis so buyers can match the trailer to a 3000kg or 3500kg tow limit.

Listed by

Full ProLine Beavertail specifications →

Common questions

What is the difference between the Brian James A Transporter (A4) and the PRG Trailers ProLine Beavertail?

The PRG Trailers ProLine Beavertail is rated 1 tonnes heavier gross. The Brian James A Transporter (A4) is a open flatbed car transporter, twin axle; the PRG Trailers ProLine Beavertail is a pRG Trailers' open beavertail car trailer range, built with a hinged tail ramp for loading low cars..

Can I tow the Brian James A Transporter (A4) or the PRG Trailers ProLine Beavertail 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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