Head to head
Bockmann Portax K vs Ifor Williams Transporta
The Ifor Williams Transporta is 1.66m (5.5ft) longer inside and is rated 1.1 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Internal length: the Ifor Williams Transporta is 1.66m (5.5ft) longer inside.
- Gross weight: the Ifor Williams Transporta is rated 1.1 tonnes heavier gross.
- Internal width: the Ifor Williams Transporta is 49cm (1.5ft) wider inside.
Specifications side by side
| Bockmann Portax K | Ifor Williams Transporta | |
|---|---|---|
| Gross weight | 2400kg | 3500kg |
| Internal length | 3560mm | 5220mm |
| Internal width | 1750mm | 2236mm |
| Payload | 1265kg | - |
| Internal height | 2350mm | - |
| Unladen weight | - | 1480kg |
| Overall length | - | 6595mm |
Sources: Bockmann Portax K, Ifor Williams Transporta. 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 Transporta if...
- you want one that is 1.66m (5.5ft) longer inside
- you want one that is rated 1.1 tonnes heavier gross
- you want one that is 49cm (1.5ft) wider inside
A car transporter trailer aimed at racers and track day drivers moving a single competition car, sitting within Ifor Williams's wider car transporter range alongside its tiltbed and beavertail designs.
Listed by
- John Page Trailers Ltd - Ashford, Biddenden
Common questions
What is the difference between the Bockmann Portax K and the Ifor Williams Transporta?
The Ifor Williams Transporta is 1.66m (5.5ft) longer inside and is rated 1.1 tonnes heavier gross. The Bockmann Portax K is a aluminium 2-horse trailer with front exit; the Ifor Williams Transporta is a motorsport car transporter trailer.
Can I tow the Bockmann Portax K or the Ifor Williams Transporta 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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