Head to head
Brian James A4 Transporter vs Stewart GX 15 FT
The Stewart GX 15 FT is rated 12 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Stewart GX 15 FT is rated 12 tonnes heavier gross.
Specifications side by side
| Brian James A4 Transporter | Stewart GX 15 FT | |
|---|---|---|
| Gross weight | 3000kg | 15,000kg |
| Axles | Twin axle | 125mm dia., 10-stud, 420x180mm brakes |
| Unladen weight | 770kg | - |
| Payload | 2230kg | - |
| Internal bed | 4.5m x 2.0m | - |
| Length | - | 7,900-9,700mm (26-32ft) |
| Tare weight | - | 3,980kg |
| Tyres | - | 385/65Rx22.5 standard, 435/50Rx19.5 flotation option |
Sources: Brian James A4 Transporter, Stewart GX 15 FT. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the A4 Transporter if...
The A4 Transporter suits driving schools, small dealers and enthusiasts who need to move one car at a time behind a car-derived tow vehicle, offering a simple twin-axle bed without the cost of a beavertail or enclosed body. Its compact size makes it easier to store and manoeuvre than the longer trailers in the A Transporter range.
Listed by
- Compass Trailers - Lewes, Ringmer
- Saxons Trailers - Westerham, Biggin Hill
- R M Trailer Centre - Middlesbrough, North Ormesby
- 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 12 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 A4 Transporter and the Stewart GX 15 FT?
The Stewart GX 15 FT is rated 12 tonnes heavier gross. The Brian James A4 Transporter is a twin-axle open car transporter trailer from Brian James' A Transporter range, built for towing one car on a 4.5m bed.; the Stewart GX 15 FT is a twin-axle flat trailer for agricultural and general haulage use.
Can I tow the Brian James A4 Transporter 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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