Head to head
Ifor Williams GX105 vs Stewart GX 18-23 S
The Stewart GX 18-23 S is rated 17.3 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Stewart GX 18-23 S is rated 17.3 tonnes heavier gross.
Specifications side by side
| Ifor Williams GX105 | Stewart GX 18-23 S | |
|---|---|---|
| Gross weight | 2700kg | 20,000kg |
| Unladen weight | 675kg | - |
| Payload | 2025kg | - |
| Internal bed | 3.03m x 1.57m | - |
| 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 GX105, Stewart GX 18-23 S. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GX105 if...
A plant hire and groundworks trailer for skid-steers or mini excavators that need a longer bed than the GX84 but not the higher 3500kg gross weight of the GX105HD.
Listed by
- East Midlands Trailers - Leicester, Thrussington
Buy or hire the GX 18-23 S if...
- you want one that is rated 17.3 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 Ifor Williams GX105 and the Stewart GX 18-23 S?
The Stewart GX 18-23 S is rated 17.3 tonnes heavier gross. The Ifor Williams GX105 is a a mid-size plant trailer with a skid or ramp loading option; 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 GX105 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.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.