Head to head
Ifor Williams LM166 vs Stewart GX14-19 S
The Ifor Williams LM166 is 4,155kg lighter empty.
Last reviewed 13 September 2026

Key differences
- Unladen weight: the Stewart GX14-19 S weighs 4,155kg more empty.
Specifications side by side
| Ifor Williams LM166 | Stewart GX14-19 S | |
|---|---|---|
| Unladen weight | 795kg | 4950kg |
| Gross weight | 3500kg | - |
| Payload | 2705kg | - |
| Internal bed | 4.77m x 1.98m | - |
| Carrying capacity | - | 14,000kg |
| Cubic capacity | - | grain 19m3, silage 33 m3 |
| Body | - | 6100 x 2450 x 1370mm (GX 14 19 S) |
| Tipped height | - | 6300mm |
Sources: Ifor Williams LM166, Stewart GX14-19 S. 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 is 4,155kg lighter empty
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
- East Midlands Trailers - Leicester, Thrussington
- G-Tec Trailers - Thetford, Holme Hale
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Buy or hire the GX14-19 S if...
A large tipping trailer in Stewart's GX range, sized for muck-away and aggregate work in the 14-19 tonne bracket, fitted with an easy sheet system to cover loads without climbing on the trailer.
Listed by
- Rising Sun Trailer Hire - York
Common questions
What is the difference between the Ifor Williams LM166 and the Stewart GX14-19 S?
The Ifor Williams LM166 is 4,155kg lighter empty. The Ifor Williams LM166 is a a long-bed flatbed trailer; the Stewart GX14-19 S is a 14 to 19 tonne tipping trailer with easy sheet.
Which is lighter, the Ifor Williams LM166 or the Stewart GX14-19 S?
The Ifor Williams LM166. It is 4,155kg lighter empty than the Stewart GX14-19 S.
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.
