Head to head
Brian James Race Transporter 7 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 7 | Stewart GX 15 FT | |
|---|---|---|
| Gross weight | 3500kg | 15,000kg |
| Axles | Twin or Tri | 125mm dia., 10-stud, 420x180mm brakes |
| Payload | up to 2235kg | - |
| Internal bed | 5.5m / 6.0m long | - |
| Internal width | 2.1m / 2.3m | - |
| 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 7, 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 7 if...
Sits at the top of the Race Transporter range for teams hauling larger or wider vehicles where the Race Transporter 6 is still not wide enough. The twin/tri-axle choice lets buyers trade a little unladen weight against stability at the widest bed option.
Listed by
- Formula Trailers,, Brian-James Trailers Main Dealer in the SW UK - Wellington, Poole
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 7 and the Stewart GX 15 FT?
The Stewart GX 15 FT is rated 11.5 tonnes heavier gross. The Brian James Race Transporter 7 is a the largest Race Transporter, offered in twin or tri-axle form for heavier 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 7 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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