Head to head
Bockmann Portax K vs Ifor Williams GX105 HD
The Ifor Williams GX105 HD carries 1,545kg more and is rated 1.1 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Payload: the Ifor Williams GX105 HD carries 1,545kg more.
- Gross weight: the Ifor Williams GX105 HD is rated 1.1 tonnes heavier gross.
Specifications side by side
| Bockmann Portax K | Ifor Williams GX105 HD | |
|---|---|---|
| Gross weight | 2400kg | 3500kg |
| Payload | 1265kg | 2810kg |
| Internal length | 3560mm | - |
| Internal width | 1750mm | - |
| Internal height | 2350mm | - |
| Unladen weight | - | 690kg |
| Internal bed | - | 3.03m x 1.57m |
Sources: Bockmann Portax K, Ifor Williams GX105 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 GX105 HD if...
- you want one that carries 1,545kg more
- you want one that is rated 1.1 tonnes heavier gross
For plant hire operators moving heavier compact machinery on the same bed footprint as the GX105, where the standard trailer's 2700kg gross weight would leave too little payload.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Common questions
What is the difference between the Bockmann Portax K and the Ifor Williams GX105 HD?
The Ifor Williams GX105 HD carries 1,545kg 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 GX105 HD is a a heavy-duty version of the GX105 plant trailer.
Which carries more, the Bockmann Portax K or the Ifor Williams GX105 HD?
The Ifor Williams GX105 HD, by 1,545kg.
Can I tow the Bockmann Portax K or the Ifor Williams GX105 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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