Head to head
Ifor Williams LM146 vs Ifor Williams LM166
The Ifor Williams LM146 is 60kg lighter empty and carries 60kg more.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams LM166 weighs 60kg more empty.
- Payload: the Ifor Williams LM146 carries 60kg more.
Specifications side by side
| Ifor Williams LM146 | Ifor Williams LM166 | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 735kg | 795kg |
| Payload | 2765kg | 2705kg |
| Overall length | 5.60m | - |
| Overall width | 2.10m | - |
| Bed | 4.23m / 13'9" ((internal) length); 1.98m / 6'5" ((internal) width) | - |
| Tyres | 195/60R12C | - |
| Internal bed | - | 4.77m x 1.98m |
Sources: Ifor Williams LM146, Ifor Williams LM166. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the LM146 if...
- you want one that is 60kg lighter empty
- you want one that carries 60kg more
The LM146 is a general-purpose flatbed aimed at landscaping, construction and plumbing trades that need a long, wide load bed with a high payload on a single 3500kg-braked chassis. It is used where loads are bulky or awkwardly shaped rather than plant machinery, which typically goes on the ramped GX range instead.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- G-Tec Trailers - Thetford, Holme Hale
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Buy or hire the LM166 if...
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 LM146 and the Ifor Williams LM166?
The Ifor Williams LM146 is 60kg lighter empty and carries 60kg more. The Ifor Williams LM146 is a a twin-axle flatbed goods trailer in the heavier-duty LM range.; the Ifor Williams LM166 is a a long-bed flatbed trailer.
Which is lighter, the Ifor Williams LM146 or the Ifor Williams LM166?
The Ifor Williams LM146. It is 60kg lighter empty than the Ifor Williams LM166.
Which carries more, the Ifor Williams LM146 or the Ifor Williams LM166?
The Ifor Williams LM146, by 60kg.
Can I tow the Ifor Williams LM146 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.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.