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Head to head

Ifor Williams GX125 HD vs Stewart GX16-21 L

The Ifor Williams GX125 HD is 4,740kg lighter empty.

Last reviewed 13 September 2026

Ifor Williams GX125 HD
Ifor Williams GX125 HD - image: Blains Trailers & Tyres
Stewart GX16-21 L
Stewart GX16-21 L - image: Rising Sun Trailer Hire

Key differences

Specifications side by side

Ifor Williams GX125 HDStewart GX16-21 L
Unladen weight760kg5,500kg
Gross weight3500kg-
Payload2740kg-
Internal bed3.66m x 1.57m-
Carrying capacity-16,000kg
Cubic capacity-grain 21m3, silage 37m3
Body-6700 x 2450 x 1370mm

Sources: Ifor Williams GX125 HD, Stewart GX16-21 L. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the GX125 HD if...

  • you want one that is 4,740kg lighter empty

For plant hire firms carrying longer machines such as excavators with extended dipper arms or tracked dumpers that need the extra bed length over the GX105HD.

Listed by

Full GX125 HD specifications →

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

Full GX16-21 L specifications →

Common questions

What is the difference between the Ifor Williams GX125 HD and the Stewart GX16-21 L?

The Ifor Williams GX125 HD is 4,740kg lighter empty. The Ifor Williams GX125 HD is a a longer heavy-duty plant trailer; the Stewart GX16-21 L is a bulk agricultural trailer with easy sheet cover.

Which is lighter, the Ifor Williams GX125 HD or the Stewart GX16-21 L?

The Ifor Williams GX125 HD. It is 4,740kg lighter empty than the Stewart GX16-21 L.

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