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Head to head

Brian James A Transporter (A4) vs Ifor Williams GH94BT

The Ifor Williams GH94BT is rated 700kg heavier gross.

Last reviewed 13 September 2026

A Transporter (A4)
Brian James A Transporter (A4)
Ifor Williams GH94BT
Ifor Williams GH94BT - image: Barnwell Trailers Ltd

Key differences

Specifications side by side

Brian James A Transporter (A4)Ifor Williams GH94BT
Gross weight2,000kg to 3,000kg depending on variant2700kg
Bed3.7m x 1.8m up to 5.0m x 2.0m depending on variant-
BrakesBraked, tandem axle-
Unladen weight-530kg
Payload-2170kg
Internal bed-2.79m x 1.31m

Sources: Brian James A Transporter (A4), Ifor Williams GH94BT. 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 GH94BT if...

  • you want one that is rated 700kg heavier gross

Chosen over the standard GH94 by operators who want the heavier-duty BT chassis and tyres for regular loaded towing rather than occasional use, at the cost of a little unladen weight and payload.

Listed by

Full GH94BT specifications →

Common questions

What is the difference between the Brian James A Transporter (A4) and the Ifor Williams GH94BT?

The Ifor Williams GH94BT is rated 700kg heavier gross. The Brian James A Transporter (A4) is a open flatbed car transporter, twin axle; the Ifor Williams GH94BT is a a braked-tandem version of the GH94 plant trailer.

Can I tow the Brian James A Transporter (A4) or the Ifor Williams GH94BT 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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