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Head to head

Ifor Williams CT136HD vs Race Box 610

The Race Box 610 is rated 400kg heavier gross.

Last reviewed 13 September 2026

Ifor Williams CT136HD
Ifor Williams CT136HD - image: GT Towing
610
Race Box 610

Key differences

Specifications side by side

Ifor Williams CT136HDRace Box 610
Gross weight2,600kg3,000kg
Unladen weight510kg-
Internal length4.0m-
Internal width1.84m-
Bed size-4.50m x 1.95m
Axles-Twin

Sources: Ifor Williams CT136HD, Race Box 610. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the CT136HD if...

The CT136HD suits recovery operators, racers and dealers who need a tougher car transporter than the standard CT136, thanks to its heavy-duty beam axles and multi-leaf suspension. Its 4.0m bed and 2.6 tonne gross weight cover most road cars without the cost of a beavertail trailer.

Listed by

Full CT136HD specifications →

Buy or hire the 610 if...

  • you want one that is rated 400kg heavier gross

An enclosed twin axle box trailer used to carry tools, motorsport equipment or goods securely and out of the weather. Its 3,000kg rating covers a loaded box without needing a heavier commercial trailer.

Listed by

Full 610 specifications →

Common questions

What is the difference between the Ifor Williams CT136HD and the Race Box 610?

The Race Box 610 is rated 400kg heavier gross. The Ifor Williams CT136HD is a ifor Williams' heavy-duty twin-axle car transporter trailer in the CT136 range, built for moving a single vehicle.; the Race Box 610 is a twin axle enclosed box trailer.

Can I tow the Ifor Williams CT136HD or the Race Box 610 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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