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Brian James C4 Transporter vs Ifor Williams CT136HD

The Brian James C4 Transporter is a car transporter trailer. 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..

Last reviewed 13 September 2026

C4 Transporter
Brian James C4 Transporter
Ifor Williams CT136HD
Ifor Williams CT136HD - image: GT Towing

Specifications side by side

Brian James C4 TransporterIfor Williams CT136HD
Gross weight2000-2600kg (range across C4 variants)2,600kg
Deck length12ft 2in (3.7m) loading area, up to 16ft overall-
Deck width5ft 10in - 6ft-
Axles2-
Ramps8ft loading ramps included-
Unladen weight-510kg
Internal length-4.0m
Internal width-1.84m

Sources: Brian James C4 Transporter, Ifor Williams CT136HD. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the C4 Transporter if...

A twin-axle trailer for moving a single car, van or small plant item, used by garages, racers and recovery firms. It is light enough for many family cars to tow while still carrying a saloon or hatchback on its own wheels.

Full C4 Transporter specifications →

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.

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Full CT136HD specifications →

Common questions

What is the difference between the Brian James C4 Transporter and the Ifor Williams CT136HD?

The Brian James C4 Transporter is a car transporter trailer; 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..

Can I tow the Brian James C4 Transporter or the Ifor Williams CT136HD 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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