Head to head
Bockmann Portax K vs Ifor Williams GX105
The Ifor Williams GX105 carries 760kg more and is rated 300kg heavier gross.
Last reviewed 13 September 2026


Key differences
- Payload: the Ifor Williams GX105 carries 760kg more.
- Gross weight: the Ifor Williams GX105 is rated 300kg heavier gross.
Specifications side by side
| Bockmann Portax K | Ifor Williams GX105 | |
|---|---|---|
| Gross weight | 2400kg | 2700kg |
| Payload | 1265kg | 2025kg |
| Internal length | 3560mm | - |
| Internal width | 1750mm | - |
| Internal height | 2350mm | - |
| Unladen weight | - | 675kg |
| Internal bed | - | 3.03m x 1.57m |
Sources: Bockmann Portax K, Ifor Williams GX105. 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 GX105 if...
- you want one that carries 760kg more
- you want one that is rated 300kg heavier gross
A plant hire and groundworks trailer for skid-steers or mini excavators that need a longer bed than the GX84 but not the higher 3500kg gross weight of the GX105HD.
Listed by
- East Midlands Trailers - Leicester, Thrussington
Common questions
What is the difference between the Bockmann Portax K and the Ifor Williams GX105?
The Ifor Williams GX105 carries 760kg more and is rated 300kg heavier gross. The Bockmann Portax K is a aluminium 2-horse trailer with front exit; the Ifor Williams GX105 is a a mid-size plant trailer with a skid or ramp loading option.
Which carries more, the Bockmann Portax K or the Ifor Williams GX105?
The Ifor Williams GX105, by 760kg.
Can I tow the Bockmann Portax K or the Ifor Williams GX105 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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