Head to head
Brian James Race Transporter 6 vs Stewart GX 15 FT
The Stewart GX 15 FT is rated 11.5 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Stewart GX 15 FT is rated 11.5 tonnes heavier gross.
Specifications side by side
| Brian James Race Transporter 6 | Stewart GX 15 FT | |
|---|---|---|
| Gross weight | 3500kg | 15,000kg |
| Axles | Tri-axle | 125mm dia., 10-stud, 420x180mm brakes |
| Unladen weight | from 1440kg | - |
| Payload | up to 2060kg | - |
| Internal width | 2.13m / 2.35m | - |
| Internal bed | 5.5m / 6.0m / 6.5m long | - |
| Length | - | 7,900-9,700mm (26-32ft) |
| Tare weight | - | 3,980kg |
| Tyres | - | 385/65Rx22.5 standard, 435/50Rx19.5 flotation option |
Sources: Brian James Race Transporter 6, Stewart GX 15 FT. 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
- Bicester Trailer Centre - Bicester
Buy or hire the GX 15 FT if...
- you want one that is rated 11.5 tonnes heavier gross
A 15-tonne flat trailer from Scottish maker Stewart Trailers, built for farms and hire fleets moving bulky loads such as bales or machinery. The choice of standard or flotation tyres lets it be set up for road use or softer ground.
Listed by
- Rising Sun Trailer Hire - York
Common questions
What is the difference between the Brian James Race Transporter 6 and the Stewart GX 15 FT?
The Stewart GX 15 FT is rated 11.5 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 15 FT is a twin-axle flat trailer for agricultural and general haulage use.
Can I tow the Brian James Race Transporter 6 or the Stewart GX 15 FT on a car licence?
Stewart GX 15 FT is rated over 3,500kg gross, which is beyond what a car can tow in the UK.
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