Head to head
Humbaur HTK vs Ifor Williams CT166
The Ifor Williams CT166 has a bed 1.73m (5.5ft) longer and carries 65kg more.
Last reviewed 13 September 2026
Key differences
- Internal bed: the Ifor Williams CT166 has a bed 1.73m (5.5ft) longer.
- Payload: the Ifor Williams CT166 carries 65kg more.
Specifications side by side
| Humbaur HTK | Ifor Williams CT166 | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Payload | 2550kg | 2615kg |
| Internal bed | 3.14m x 1.75m | 4.87m x 1.90m |
| Axles | Twin | - |
| Brakes | Braked | - |
| Unladen weight | - | 885kg |
Sources: Humbaur HTK, Ifor Williams CT166. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HTK if...
A heavy-duty three-way tipper for builders' merchants and groundworkers who need to tip to either side as well as the rear. The wide model line (2000kg to 3500kg gross) lets buyers pick a size without moving to a different range.
Listed by
- Trek-Trailers Lincolnshire - Doncaster, Belton
- Trek-Trailers Suffolk - Bury Saint Edmunds
- Trek-Trailers Three Counties - Hereford
Buy or hire the CT166 if...
- you want one that has a bed 1.73m (5.5ft) longer
- you want one that carries 65kg more
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
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Common questions
What is the difference between the Humbaur HTK and the Ifor Williams CT166?
The Ifor Williams CT166 has a bed 1.73m (5.5ft) longer and carries 65kg more. The Humbaur HTK is a a tandem-axle three-way tipping trailer for construction and agricultural use; the Ifor Williams CT166 is a a tilt-bed car and machinery transporter trailer.
Which carries more, the Humbaur HTK or the Ifor Williams CT166?
The Ifor Williams CT166, by 65kg.
Can I tow the Humbaur HTK or the Ifor Williams CT166 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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