Head to head
Bockmann KK 3018/27 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
| Bockmann KK 3018/27 | Stewart GX 18-23 S | |
|---|---|---|
| Gross weight | 2700kg | 20,000kg |
| Axles | 2 | 125mm dia., 10-stud, 420x180mm brakes |
| Payload | 1886kg | - |
| Internal length | 2970mm | - |
| Internal width | 1820mm | - |
| Brakes | Braked (overrun) | - |
| Body size | - | 6,700 x 2,450 x 1,500mm |
| Cubic capacity | - | 23m3 grain, 39m3 silage |
| Tare weight | - | 5,900kg |
Sources: Bockmann KK 3018/27, Stewart GX 18-23 S. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the KK 3018/27 if...
An insulated, temperature-controlled box trailer for moving chilled or frozen goods, used by caterers, market traders and small food businesses. Its own cooling unit lets it hold a set temperature independent of the tow vehicle.
Listed by
- Böckmann UK Trailers & Horseboxes - Cinderford, Littledean
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 Bockmann KK 3018/27 and the Stewart GX 18-23 S?
The Stewart GX 18-23 S is rated 17.3 tonnes heavier gross. The Bockmann KK 3018/27 is a refrigerated box trailer; 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 Bockmann KK 3018/27 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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