Head to head
Ifor Williams DP120 vs Stewart GX 18-23 S
The Stewart GX 18-23 S is rated 16.5 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Stewart GX 18-23 S is rated 16.5 tonnes heavier gross.
Specifications side by side
| Ifor Williams DP120 | Stewart GX 18-23 S | |
|---|---|---|
| Gross weight | 3500kg | 20,000kg |
| Axles | Tri-axle | 125mm dia., 10-stud, 420x180mm brakes |
| Brakes | Braked | - |
| Size | 14ft x 6ft | - |
| Body size | - | 6,700 x 2,450 x 1,500mm |
| Cubic capacity | - | 23m3 grain, 39m3 silage |
| Tare weight | - | 5,900kg |
Sources: Ifor Williams DP120, Stewart GX 18-23 S. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the DP120 if...
Ifor Williams DP120, carried by UK dealers and hire companies listed on GetBrent for sale. The big Ifor Williams livestock trailer. At 14ft on three axles it carries a full load of cattle or sheep, and it is bought by farms and contractors moving stock in numbers to market and between holdings.
Listed by
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Buy or hire the GX 18-23 S if...
- you want one that is rated 16.5 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 DP120 and the Stewart GX 18-23 S?
The Stewart GX 18-23 S is rated 16.5 tonnes heavier gross. The Ifor Williams DP120 is a livestock trailer, tri-axle, 14ft x 6ft; 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 DP120 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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