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Head to head

Brian James Race Transporter 6 vs Stewart GX 18-23 S

The Stewart GX 18-23 S is rated 16.5 tonnes heavier gross.

Last reviewed 13 September 2026

Brian James Race Transporter 6
Brian James Race Transporter 6 - image: Racecarsdirect
GX 18-23 S
Stewart GX 18-23 S

Key differences

Specifications side by side

Brian James Race Transporter 6Stewart GX 18-23 S
Gross weight3500kg20,000kg
AxlesTri-axle125mm dia., 10-stud, 420x180mm brakes
Unladen weightfrom 1440kg-
Payloadup to 2060kg-
Internal width2.13m / 2.35m-
Internal bed5.5m / 6.0m / 6.5m long-
Body size-6,700 x 2,450 x 1,500mm
Cubic capacity-23m3 grain, 39m3 silage
Tare weight-5,900kg

Sources: Brian James Race Transporter 6, Stewart GX 18-23 S. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the Race Transporter 6 if...

Chosen by professional race and recovery outfits carrying wider GT or modified cars that need the extra internal width over the Race Transporter 4 and 5. The tri-axle chassis and electric tilt-bed suit frequent, heavier-duty use.

Listed by

Full Race Transporter 6 specifications →

Buy or hire the GX 18-23 S if...

  • you want one that is rated 16.5 tonnes heavier gross

An 18-23 tonne tipping trailer built for grain and silage haulage, with an easy-sheet system so one person can cover a loaded trailer without climbing on top. Its monocoque steel body gives it the extra capacity over Stewart's standard flat trailers.

Listed by

Full GX 18-23 S specifications →

Common questions

What is the difference between the Brian James Race Transporter 6 and the Stewart GX 18-23 S?

The Stewart GX 18-23 S is rated 16.5 tonnes heavier gross. The Brian James Race Transporter 6 is a a tri-axle electric tilt-bed car transporter for heavier or wider vehicles; the Stewart GX 18-23 S is a twin-axle tipping grain and silage trailer with an easy-sheet cover system.

Can I tow the Brian James Race Transporter 6 or the Stewart GX 18-23 S on a car licence?

Stewart GX 18-23 S is rated over 3,500kg gross, which is beyond what a car can tow in the UK.

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