Head to head
Ifor Williams GH Plant with DigaDoc vs Ifor Williams LM166
The Ifor Williams LM166 has a bed 1.98m (6.5ft) longer and is rated 800kg heavier gross. The Ifor Williams GH Plant with DigaDoc is 186kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Internal bed: the Ifor Williams LM166 has a bed 1.98m (6.5ft) longer.
- Unladen weight: the Ifor Williams LM166 weighs 186kg more empty.
- Gross weight: the Ifor Williams LM166 is rated 800kg heavier gross.
Specifications side by side
| Ifor Williams GH Plant with DigaDoc | Ifor Williams LM166 | |
|---|---|---|
| Gross weight | 2700kg | 3500kg |
| Unladen weight | 609kg | 795kg |
| Internal bed | 2.79m x 1.31m | 4.77m x 1.98m |
| Payload | - | 2705kg |
Sources: Ifor Williams GH Plant with DigaDoc, Ifor Williams LM166. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GH Plant with DigaDoc if...
- you want one that is 186kg lighter empty
Bought by plant hire and groundworks firms that need to prove what left the yard and where it went, since DigaDoc records load movements electronically on top of the standard GH plant trailer chassis. It is the same GH94 base trailer as the plain GH94, with the tracking hardware added.
Listed by
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Buy or hire the LM166 if...
- you want one that has a bed 1.98m (6.5ft) longer
- you want one that is rated 800kg heavier gross
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 GH Plant with DigaDoc and the Ifor Williams LM166?
The Ifor Williams LM166 has a bed 1.98m (6.5ft) longer and is rated 800kg heavier gross. The Ifor Williams GH Plant with DigaDoc is 186kg lighter empty. The Ifor Williams GH Plant with DigaDoc is a a plant trailer fitted with the manufacturer's DigaDoc load-tracking system; the Ifor Williams LM166 is a a long-bed flatbed trailer.
Which is lighter, the Ifor Williams GH Plant with DigaDoc or the Ifor Williams LM166?
The Ifor Williams GH Plant with DigaDoc. It is 186kg lighter empty than the Ifor Williams LM166.
Can I tow the Ifor Williams GH Plant with DigaDoc 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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