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Brian James C4 Transporter vs Ifor Williams CT136

The Brian James C4 Transporter is a car transporter trailer. The Ifor Williams CT136 is a flatbed car transporter, single or twin axle.

Last reviewed 13 September 2026

C4 Transporter
Brian James C4 Transporter
Ifor Williams CT136
Ifor Williams CT136 - image: Blains Trailers & Tyres

Specifications side by side

Brian James C4 TransporterIfor Williams CT136
Gross weight2000-2600kg (range across C4 variants)1,400kg single axle / 2,000kg twin axle / 2,600kg CT136HD
Deck length12ft 2in (3.7m) loading area, up to 16ft overall-
Deck width5ft 10in - 6ft-
Axles2-
Ramps8ft loading ramps included-
Unladen weight-400kg single axle / 495kg twin axle
Bed-4.00m x 1.84m

Sources: Brian James C4 Transporter, Ifor Williams CT136. 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 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 Brian James C4 Transporter and the Ifor Williams CT136?

The Brian James C4 Transporter is a car transporter trailer; the Ifor Williams CT136 is a flatbed car transporter, single or twin axle.

Can I tow the Brian James C4 Transporter 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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