Head to head
Ifor Williams GX vs Stewart GX 18-23 S
The Ifor Williams GX is a plant trailer range. The Stewart GX 18-23 S is a twin-axle tipping grain and silage trailer with an easy-sheet cover system.
Last reviewed 13 September 2026
Specifications side by side
| Ifor Williams GX | Stewart GX 18-23 S | |
|---|---|---|
| Gross weight | 2700-3500kg | 20,000kg |
| Body size | - | 6,700 x 2,450 x 1,500mm |
| Cubic capacity | - | 23m3 grain, 39m3 silage |
| Tare weight | - | 5,900kg |
| Axles | - | 125mm dia., 10-stud, 420x180mm brakes |
Sources: Ifor Williams GX, Stewart GX 18-23 S. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GX if...
Ifor Williams GX, carried by UK dealers and hire companies listed on GetBrent for sale. Plant trailers are the working end of groundworks: contractors and hire firms use them to move mini diggers, dumpers and rollers between sites.
Listed by
- R M Trailer Centre - Middlesbrough, North Ormesby
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Buy or hire the GX 18-23 S if...
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 Ifor Williams GX and the Stewart GX 18-23 S?
The Ifor Williams GX is a plant trailer range; 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 Ifor Williams GX 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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