Head to head
Ifor Williams GX105 HD vs Ifor Williams LM166
The Ifor Williams LM166 has a bed 1.74m (5.5ft) longer. The Ifor Williams GX105 HD is 105kg lighter empty and carries 105kg more.
Last reviewed 13 September 2026
Key differences
- Internal bed: the Ifor Williams LM166 has a bed 1.74m (5.5ft) longer.
- Unladen weight: the Ifor Williams LM166 weighs 105kg more empty.
- Payload: the Ifor Williams GX105 HD carries 105kg more.
Specifications side by side
| Ifor Williams GX105 HD | Ifor Williams LM166 | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 690kg | 795kg |
| Payload | 2810kg | 2705kg |
| Internal bed | 3.03m x 1.57m | 4.77m x 1.98m |
Sources: Ifor Williams GX105 HD, Ifor Williams LM166. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GX105 HD if...
- you want one that is 105kg lighter empty
- you want one that carries 105kg more
For plant hire operators moving heavier compact machinery on the same bed footprint as the GX105, where the standard trailer's 2700kg gross weight would leave too little payload.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Buy or hire the LM166 if...
- you want one that has a bed 1.74m (5.5ft) 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
Common questions
What is the difference between the Ifor Williams GX105 HD and the Ifor Williams LM166?
The Ifor Williams LM166 has a bed 1.74m (5.5ft) longer. The Ifor Williams GX105 HD is 105kg lighter empty and carries 105kg more. The Ifor Williams GX105 HD is a a heavy-duty version of the GX105 plant trailer; the Ifor Williams LM166 is a a long-bed flatbed trailer.
Which is lighter, the Ifor Williams GX105 HD or the Ifor Williams LM166?
The Ifor Williams GX105 HD. It is 105kg lighter empty than the Ifor Williams LM166.
Which carries more, the Ifor Williams GX105 HD or the Ifor Williams LM166?
The Ifor Williams GX105 HD, by 105kg.
Can I tow the Ifor Williams GX105 HD 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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