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Head to head

Brian James A Transporter (A4) vs Ifor Williams GH126 BT

The Ifor Williams GH126 BT is rated 1.5 tonnes heavier gross.

Last reviewed 13 September 2026

A Transporter (A4)
Brian James A Transporter (A4)
Ifor Williams GH126 BT
Ifor Williams GH126 BT - image: barnwelltrailers.co.uk

Key differences

Specifications side by side

Brian James A Transporter (A4)Ifor Williams GH126 BT
Gross weight2,000kg to 3,000kg depending on variant3500kg
BrakesBraked, tandem axleBraked
Bed3.7m x 1.8m up to 5.0m x 2.0m depending on variant-
Axles-Single
Size-12ft x 6ft

Sources: Brian James A Transporter (A4), Ifor Williams GH126 BT. 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 GH126 BT if...

  • you want one that is rated 1.5 tonnes heavier gross

Ifor Williams GH126 BT, carried by UK dealers and hire companies listed on GetBrent for sale. General purpose trailers are the everyday choice for garden waste, tip runs, DIY materials and moving house.

Listed by

Full GH126 BT specifications →

Common questions

What is the difference between the Brian James A Transporter (A4) and the Ifor Williams GH126 BT?

The Ifor Williams GH126 BT is rated 1.5 tonnes heavier gross. The Brian James A Transporter (A4) is a open flatbed car transporter, twin axle; the Ifor Williams GH126 BT is a general purpose trailer.

Can I tow the Brian James A Transporter (A4) or the Ifor Williams GH126 BT 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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