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Head to head

Brian James Race Transporter 4 vs Ifor Williams GX84

The Ifor Williams GX84 is 640kg lighter empty. The Brian James Race Transporter 4 has a bed 2.55m (8.5ft) longer and is rated 800kg heavier gross.

Last reviewed 13 September 2026

Race Transporter 4
Brian James Race Transporter 4
Ifor Williams GX84
Ifor Williams GX84 - image: blains.co.uk

Key differences

Specifications side by side

Brian James Race Transporter 4Ifor Williams GX84
Gross weight3500kg2700kg
Unladen weightfrom 1180kg540kg
Payloadup to 2320kg2160kg
Internal bed5.0m / 5.5m long2.45m x 1.27m
Internal width2.12m-
AxlesTwin-

Sources: Brian James Race Transporter 4, Ifor Williams GX84. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the Race Transporter 4 if...

  • you want one that has a bed 2.55m (8.5ft) longer
  • you want one that is rated 800kg heavier gross
  • you want one that carries 160kg more

Aimed at motorsport teams and vehicle recovery operators who need a hydraulic tilt-bed for easy low loading of a single car. It is the entry point into the numbered Race Transporter range, below the 5, 6 and 7.

Listed by

Full Race Transporter 4 specifications →

Buy or hire the GX84 if...

  • you want one that is 640kg lighter empty

An entry-level plant trailer for landscapers and groundworkers moving a single small excavator or compact roller who do not need the longer beds further up the GX range.

Listed by

Full GX84 specifications →

Common questions

What is the difference between the Brian James Race Transporter 4 and the Ifor Williams GX84?

The Ifor Williams GX84 is 640kg lighter empty. The Brian James Race Transporter 4 has a bed 2.55m (8.5ft) longer and is rated 800kg heavier gross. The Brian James Race Transporter 4 is a an open twin-axle hydraulic tilt-bed car transporter; the Ifor Williams GX84 is a the smallest trailer in the GX plant range.

Which is lighter, the Brian James Race Transporter 4 or the Ifor Williams GX84?

The Ifor Williams GX84. It is 640kg lighter empty than the Brian James Race Transporter 4.

Which carries more, the Brian James Race Transporter 4 or the Ifor Williams GX84?

The Brian James Race Transporter 4, by 160kg.

Can I tow the Brian James Race Transporter 4 or the Ifor Williams GX84 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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