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Brian James C4 Transporter vs Ifor Williams CT177

The Brian James C4 Transporter is a car transporter trailer. The Ifor Williams CT177 is a a twin-axle car transporter trailer with a long, narrow bed for single-vehicle recovery and trade use..

Last reviewed 13 September 2026

C4 Transporter
Brian James C4 Transporter
Ifor Williams CT177
Ifor Williams CT177 - image: Norfolk Trailers

Specifications side by side

Brian James C4 TransporterIfor Williams CT177
Gross weight2000-2600kg (range across C4 variants)3500kg
Deck length12ft 2in (3.7m) loading area, up to 16ft overall-
Deck width5ft 10in - 6ft-
Axles2-
Ramps8ft loading ramps included-
Overall length-6.70m / 22'0"
Bed-5.00m / 16'4" ((internal) length); 1.91m / 6'3" ((internal) width)
Unladen weight-805kg
Payload-approx. 2695kg

Sources: Brian James C4 Transporter, Ifor Williams CT177. 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 CT177 if...

The CT177 is built to be wide enough for most light commercial vehicles while remaining narrow enough for smaller cars, making it a common choice for vehicle recovery firms and the motor trade. Its long bed and 3500kg GVW keep it within standard car-licence towing limits for a single vehicle plus ramps.

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Full CT177 specifications →

Common questions

What is the difference between the Brian James C4 Transporter and the Ifor Williams CT177?

The Brian James C4 Transporter is a car transporter trailer; the Ifor Williams CT177 is a a twin-axle car transporter trailer with a long, narrow bed for single-vehicle recovery and trade use..

Can I tow the Brian James C4 Transporter or the Ifor Williams CT177 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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