Head to head
Ifor Williams TT3621 vs Stewart GX 18-23 S
The Ifor Williams TT3621 is 4,910kg lighter empty.
Last reviewed 9 November 2026
Key differences
- Unladen weight: the Stewart GX 18-23 S weighs 4,910kg more empty.
Specifications side by side
| Ifor Williams TT3621 | Stewart GX 18-23 S | |
|---|---|---|
| Unladen weight | 990kg (195/60R12C tyres) or 1000kg (185/70R13C tyres) | 5,900kg |
| Gross weight | 3500kg | - |
| Payload | 2510kg (195/60R12C) or 2500kg (185/70R13C) | - |
| Internal length | 3.62m / 11'9" | - |
| Internal width | 1.95m / 6'5" | - |
| Carrying capacity | - | 20,000kg |
| Cubic capacity | - | grain 23m3, silage 39m3 |
| Body | - | 6700 x 2450 x 1500mm |
Sources: Ifor Williams TT3621, Stewart GX 18-23 S. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the TT3621 if...
- you want one that is 4,910kg lighter empty
The largest Ifor Williams tipper. A 3.6m by 1.95m body is chosen for bulky, lighter loads - green waste, clearance and bark - where volume runs out before weight does, and it is a staple of plant and tool hire fleets. Formerly sold as the TT126.
Listed by
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
- Lancaster trailer hire - ELY
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 TT3621 and the Stewart GX 18-23 S?
The Ifor Williams TT3621 is 4,910kg lighter empty. The Ifor Williams TT3621 is a twin axle tipping trailer, 12ft body, electric tipping; the Stewart GX 18-23 S is a twin-axle tipping grain and silage trailer with an easy-sheet cover system.
Which is lighter, the Ifor Williams TT3621 or the Stewart GX 18-23 S?
The Ifor Williams TT3621. It is 4,910kg lighter empty than the Stewart GX 18-23 S.
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