Head to head
Bockmann Portax K vs Ifor Williams CT136
The Bockmann Portax K is rated 1 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Bockmann Portax K is rated 1 tonnes heavier gross.
Specifications side by side
| Bockmann Portax K | Ifor Williams CT136 | |
|---|---|---|
| Gross weight | 2400kg | 1,400kg single axle / 2,000kg twin axle / 2,600kg CT136HD |
| Payload | 1265kg | - |
| Internal length | 3560mm | - |
| Internal width | 1750mm | - |
| Internal height | 2350mm | - |
| Unladen weight | - | 400kg single axle / 495kg twin axle |
| Bed | - | 4.00m x 1.84m |
Sources: Bockmann Portax K, Ifor Williams CT136. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Portax K if...
- you want one that is rated 1 tonnes heavier gross
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 CT136 if...
The accessible end of car transport, for towing a road car, a track-day car or a small classic. Motorsport and classic-car owners tend toward the twin-axle and HD versions for the higher gross weight and the tie-down provision.
Full CT136 specifications →Common questions
What is the difference between the Bockmann Portax K and the Ifor Williams CT136?
The Bockmann Portax K is rated 1 tonnes heavier gross. The Bockmann Portax K is a aluminium 2-horse trailer with front exit; the Ifor Williams CT136 is a flatbed car transporter, single or twin axle.
Can I tow the Bockmann Portax K or the Ifor Williams CT136 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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