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Ifor Williams CT136HD vs Woodford Eco Box

The Ifor Williams CT136HD is rated 2.1 tonnes heavier gross.

Last reviewed 13 September 2026

Ifor Williams CT136HD
Ifor Williams CT136HD - image: GT Towing
Eco Box
Woodford Eco Box

Key differences

Specifications side by side

Ifor Williams CT136HDWoodford Eco Box
Gross weight2,600kg500kg or 750kg options
Unladen weight510kg205-275kg depending on size
Internal length4.0m-
Internal width1.84m-
Dimensions-3,080 x 1,595 x 1,960mm external (largest, ECO745)
Internal load space-2,100 x 1,175 x 1,470mm (ECO745)
Axle-Single axle, unbraked

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

Buy or hire the CT136HD if...

  • you want one that is rated 2.1 tonnes heavier gross

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 Eco Box if...

A lightweight box trailer built to order in Norfolk, bought by tradesmen and small businesses who want secure, lockable load space without the running costs of a van. It comes in four sizes so buyers can match it to what they need to carry.

Listed by

Full Eco Box specifications →

Common questions

What is the difference between the Ifor Williams CT136HD and the Woodford Eco Box?

The Ifor Williams CT136HD is rated 2.1 tonnes 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 Woodford Eco Box is a lightweight single-axle box trailer for general and van-replacement use.

Can I tow the Ifor Williams CT136HD or the Woodford Eco Box 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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