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Head to head

Bockmann Portax L K vs Ifor Williams CT136

The Bockmann Portax L K is rated 1.1 tonnes heavier gross.

Last reviewed 13 September 2026

Bockmann Portax L K
Bockmann Portax L K - image: jswhorseboxes.co.uk
CT136
Ifor Williams CT136

Key differences

Specifications side by side

Bockmann Portax L KIfor Williams CT136
Gross weight2500kg1,400kg single axle / 2,000kg twin axle / 2,600kg CT136HD
Payload1318kg-
Internal length4125mm-
Internal width1750mm-
Internal height2300mm-
Unladen weight-400kg single axle / 495kg twin axle
Bed-4.00m x 1.84m

Sources: Bockmann Portax L K, Ifor Williams CT136. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the Portax L K if...

  • you want one that is rated 1.1 tonnes heavier gross

The longer 'L' version of the Portax K, giving taller or bigger horses more room while keeping the front-exit layout. It appeals to owners of warmbloods or cobs who found the standard Portax K too tight.

Listed by

Full Portax L K specifications →

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 L K and the Ifor Williams CT136?

The Bockmann Portax L K is rated 1.1 tonnes heavier gross. The Bockmann Portax L K is a long-wheelbase 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 L 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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