Head to head
Bockmann Portax K vs Ifor Williams GX125 HD
The Ifor Williams GX125 HD carries 1,475kg more and is rated 1.1 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Payload: the Ifor Williams GX125 HD carries 1,475kg more.
- Gross weight: the Ifor Williams GX125 HD is rated 1.1 tonnes heavier gross.
Specifications side by side
| Bockmann Portax K | Ifor Williams GX125 HD | |
|---|---|---|
| Gross weight | 2400kg | 3500kg |
| Payload | 1265kg | 2740kg |
| Internal length | 3560mm | - |
| Internal width | 1750mm | - |
| Internal height | 2350mm | - |
| Unladen weight | - | 760kg |
| Internal bed | - | 3.66m x 1.57m |
Sources: Bockmann Portax K, Ifor Williams GX125 HD. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Portax K if...
A mid-range Portax with a front unloading ramp, bought by owners who value being able to lead a horse out the front rather than reversing it out. It sits below the Big Portax models in size and price.
Listed by
- Böckmann UK Trailers & Horseboxes - Cinderford, Littledean
Buy or hire the GX125 HD if...
- you want one that carries 1,475kg more
- you want one that is rated 1.1 tonnes heavier gross
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
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Common questions
What is the difference between the Bockmann Portax K and the Ifor Williams GX125 HD?
The Ifor Williams GX125 HD carries 1,475kg more and is rated 1.1 tonnes heavier gross. The Bockmann Portax K is a aluminium 2-horse trailer with front exit; the Ifor Williams GX125 HD is a a longer heavy-duty plant trailer.
Which carries more, the Bockmann Portax K or the Ifor Williams GX125 HD?
The Ifor Williams GX125 HD, by 1,475kg.
Can I tow the Bockmann Portax K or the Ifor Williams GX125 HD on a car licence?
Yes, as far as the licence goes. Both are rated at or under 3,500kg gross, and a car (B) licence has covered towing up to 3,500kg since 16 December 2021. Your car still has to be rated to tow the loaded weight - check the handbook or the VIN plate.
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