Head to head
Ifor Williams LM166 vs Ifor Williams P6e
The Ifor Williams LM166 carries 2,127kg more and is rated 2,750kg heavier gross. The Ifor Williams P6e is 623kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Payload: the Ifor Williams LM166 carries 2,127kg more.
- Gross weight: the Ifor Williams LM166 is rated 2,750kg heavier gross.
- Unladen weight: the Ifor Williams LM166 weighs 623kg more empty.
- Internal bed: the Ifor Williams LM166 has a bed 2.79m (9ft) longer.
Specifications side by side
| Ifor Williams LM166 | Ifor Williams P6e | |
|---|---|---|
| Gross weight | 3500kg | 750kg |
| Unladen weight | 795kg | 172kg |
| Payload | 2705kg | 578kg |
| Internal bed | 4.77m x 1.98m | 1.98m x 1.21m |
| Brakes | - | Unbraked |
Sources: Ifor Williams LM166, Ifor Williams P6e. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the LM166 if...
- you want one that carries 2,127kg more
- you want one that is rated 2,750kg heavier gross
- you want one that has a bed 2.79m (9ft) longer
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
Buy or hire the P6e if...
- you want one that is 623kg lighter empty
A step up from the P5 for domestic and light trade users who need a slightly bigger bed while staying under the 750kg limit that avoids the need for brakes.
Listed by
- Towy Trailer Centre - Llandeilo, Ffairfach
- G-Tec Trailers - Thetford, Holme Hale
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Common questions
What is the difference between the Ifor Williams LM166 and the Ifor Williams P6e?
The Ifor Williams LM166 carries 2,127kg more and is rated 2,750kg heavier gross. The Ifor Williams P6e is 623kg lighter empty. The Ifor Williams LM166 is a a long-bed flatbed trailer; the Ifor Williams P6e is a a small unbraked general-purpose trailer.
Which is lighter, the Ifor Williams LM166 or the Ifor Williams P6e?
The Ifor Williams P6e. It is 623kg lighter empty than the Ifor Williams LM166.
Which carries more, the Ifor Williams LM166 or the Ifor Williams P6e?
The Ifor Williams LM166, by 2,127kg.
Can I tow the Ifor Williams LM166 or the Ifor Williams P6e 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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