Head to head
Ifor Williams TT3621 vs Stewart GX16-21 L
The Ifor Williams TT3621 is 4,510kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Stewart GX16-21 L weighs 4,510kg more empty.
Specifications side by side
| Ifor Williams TT3621 | Stewart GX16-21 L | |
|---|---|---|
| Unladen weight | 990kg (195/60R12C tyres) or 1000kg (185/70R13C tyres) | 5,500kg |
| 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 | - | 16,000kg |
| Cubic capacity | - | grain 21m3, silage 37m3 |
| Body | - | 6700 x 2450 x 1370mm |
Sources: Ifor Williams TT3621, Stewart GX16-21 L. 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 4,510kg 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 GX16-21 L if...
A large bulk trailer used to cart grain and root crops at harvest, with an easy sheet system to cover the load without climbing on top. Farmers hire extra units like this at harvest to move crop faster than their own trailers allow.
Listed by
- Rising Sun Trailer Hire - York
Common questions
What is the difference between the Ifor Williams TT3621 and the Stewart GX16-21 L?
The Ifor Williams TT3621 is 4,510kg lighter empty. The Ifor Williams TT3621 is a twin axle tipping trailer, 12ft body, electric tipping; the Stewart GX16-21 L is a bulk agricultural trailer with easy sheet cover.
Which is lighter, the Ifor Williams TT3621 or the Stewart GX16-21 L?
The Ifor Williams TT3621. It is 4,510kg lighter empty than the Stewart GX16-21 L.
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