Head to head
Ifor Williams CT177 vs Ifor Williams LM166
The Ifor Williams LM166 is 10kg lighter empty and carries 10kg more.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams CT177 weighs 10kg more empty.
- Payload: the Ifor Williams LM166 carries 10kg more.
Specifications side by side
| Ifor Williams CT177 | Ifor Williams LM166 | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 805kg | 795kg |
| Payload | approx. 2695kg | 2705kg |
| Overall length | 6.70m / 22'0" | - |
| Bed | 5.00m / 16'4" ((internal) length); 1.91m / 6'3" ((internal) width) | - |
| Internal bed | - | 4.77m x 1.98m |
Sources: Ifor Williams CT177, Ifor Williams LM166. Figures vary by model year and options, so check with the supplier before you commit.
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.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Buy or hire the LM166 if...
- you want one that is 10kg lighter empty
- you want one that carries 10kg more
Bought by contractors and hauliers who regularly carry longer loads, such as fencing materials or several pallets, and need more deck length than the LM106 or LM126 provide.
Listed by
- G-Tec Trailers - Thetford, Holme Hale
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Common questions
What is the difference between the Ifor Williams CT177 and the Ifor Williams LM166?
The Ifor Williams LM166 is 10kg lighter empty and carries 10kg more. The Ifor Williams CT177 is a a twin-axle car transporter trailer with a long, narrow bed for single-vehicle recovery and trade use.; the Ifor Williams LM166 is a a long-bed flatbed trailer.
Which is lighter, the Ifor Williams CT177 or the Ifor Williams LM166?
The Ifor Williams LM166. It is 10kg lighter empty than the Ifor Williams CT177.
Which carries more, the Ifor Williams CT177 or the Ifor Williams LM166?
The Ifor Williams LM166, by 10kg.
Can I tow the Ifor Williams CT177 or the Ifor Williams LM166 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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