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Ifor Williams CT166 vs Ifor Williams P6

The Ifor Williams CT166 is rated 2.5 tonnes heavier gross.

Last reviewed 13 September 2026

Ifor Williams CT166
Ifor Williams CT166 - image: Shropshire Trailer Hire
P6
Ifor Williams P6

Key differences

Specifications side by side

Ifor Williams CT166Ifor Williams P6
Gross weight3500kg1000kg
Unladen weight885kg-
Payload2615kg-
Internal bed4.87m x 1.90m-
Axles-Single
Brakes-Braked
Size-6ft x 4ft

Sources: Ifor Williams CT166, Ifor Williams P6. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the CT166 if...

  • you want one that is rated 2.5 tonnes heavier gross

Bought by garages, recovery operators and plant hire firms who load low vehicles or compact machinery by tilting the deck to ground level instead of driving up loading ramps. The narrower CT166 bed suits standard cars and single machines.

Listed by

Full CT166 specifications →

Buy or hire the P6 if...

Ifor Williams P6, carried by UK dealers and hire companies listed on GetBrent for sale. The small Ifor Williams general purpose trailer and the forerunner of the current P6e. Householders and gardeners use it for tip runs, garden waste and DIY materials behind almost any car.

Full P6 specifications →

Common questions

What is the difference between the Ifor Williams CT166 and the Ifor Williams P6?

The Ifor Williams CT166 is rated 2.5 tonnes heavier gross. The Ifor Williams CT166 is a a tilt-bed car and machinery transporter trailer; the Ifor Williams P6 is a small general purpose trailer, 6ft x 4ft.

Can I tow the Ifor Williams CT166 or the Ifor Williams P6 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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