Head to head
Brian James A4 Transporter vs Stewart GX 18-23 S
The Stewart GX 18-23 S is rated 17 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Stewart GX 18-23 S is rated 17 tonnes heavier gross.
Specifications side by side
| Brian James A4 Transporter | Stewart GX 18-23 S | |
|---|---|---|
| Gross weight | 3000kg | 20,000kg |
| Axles | Twin axle | 125mm dia., 10-stud, 420x180mm brakes |
| Unladen weight | 770kg | - |
| Payload | 2230kg | - |
| Internal bed | 4.5m x 2.0m | - |
| Body size | - | 6,700 x 2,450 x 1,500mm |
| Cubic capacity | - | 23m3 grain, 39m3 silage |
| Tare weight | - | 5,900kg |
Sources: Brian James A4 Transporter, Stewart GX 18-23 S. 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 18-23 S if...
- you want one that is rated 17 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
- Rising Sun Trailer Hire - York
Common questions
What is the difference between the Brian James A4 Transporter and the Stewart GX 18-23 S?
The Stewart GX 18-23 S is rated 17 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 18-23 S is a twin-axle tipping grain and silage trailer with an easy-sheet cover system.
Can I tow the Brian James A4 Transporter 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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