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Head to head

Ifor Williams CT166 vs Ifor Williams TT2515

The Ifor Williams CT166 has a bed 2.41m (8ft) longer and carries 615kg more. The Ifor Williams TT2515 is 185kg lighter empty.

Last reviewed 13 September 2026

Ifor Williams CT166
Ifor Williams CT166 - image: Shropshire Trailer Hire
Ifor Williams TT2515
Ifor Williams TT2515 - image: John Page Trailers Ltd

Key differences

Specifications side by side

Ifor Williams CT166Ifor Williams TT2515
Gross weight3500kg2700kg
Unladen weight885kg700kg
Payload2615kg2000kg
Internal bed4.87m x 1.90m2.46m x 1.49m
Axles-Twin

Sources: Ifor Williams CT166, Ifor Williams TT2515. 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 has a bed 2.41m (8ft) longer
  • you want one that carries 615kg more
  • you want one that is rated 800kg 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 TT2515 if...

  • you want one that is 185kg lighter empty

A general farm and groundworks tipper for muck, aggregate or spoil, sized for towing behind a pickup or 4x4 rather than the larger 3500kg TT3017/TT3621 models.

Listed by

Full TT2515 specifications →

Common questions

What is the difference between the Ifor Williams CT166 and the Ifor Williams TT2515?

The Ifor Williams CT166 has a bed 2.41m (8ft) longer and carries 615kg more. The Ifor Williams TT2515 is 185kg lighter empty. The Ifor Williams CT166 is a a tilt-bed car and machinery transporter trailer; the Ifor Williams TT2515 is a a twin-axle power tipping trailer.

Which is lighter, the Ifor Williams CT166 or the Ifor Williams TT2515?

The Ifor Williams TT2515. It is 185kg lighter empty than the Ifor Williams CT166.

Which carries more, the Ifor Williams CT166 or the Ifor Williams TT2515?

The Ifor Williams CT166, by 615kg.

Can I tow the Ifor Williams CT166 or the Ifor Williams TT2515 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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