Head to head
Ifor Williams GH Plant with DigaDoc vs Stewart GX 15 FT
The Stewart GX 15 FT is rated 12.3 tonnes heavier gross.
Last reviewed 13 September 2026

Key differences
- Gross weight: the Stewart GX 15 FT is rated 12.3 tonnes heavier gross.
Specifications side by side
| Ifor Williams GH Plant with DigaDoc | Stewart GX 15 FT | |
|---|---|---|
| Gross weight | 2700kg | 15,000kg |
| Unladen weight | 609kg | - |
| Internal bed | 2.79m x 1.31m | - |
| Length | - | 7,900-9,700mm (26-32ft) |
| Tare weight | - | 3,980kg |
| Axles | - | 125mm dia., 10-stud, 420x180mm brakes |
| Tyres | - | 385/65Rx22.5 standard, 435/50Rx19.5 flotation option |
Sources: Ifor Williams GH Plant with DigaDoc, Stewart GX 15 FT. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GH Plant with DigaDoc if...
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 GX 15 FT if...
- you want one that is rated 12.3 tonnes heavier gross
A 15-tonne flat trailer from Scottish maker Stewart Trailers, built for farms and hire fleets moving bulky loads such as bales or machinery. The choice of standard or flotation tyres lets it be set up for road use or softer ground.
Listed by
- Rising Sun Trailer Hire - York
Common questions
What is the difference between the Ifor Williams GH Plant with DigaDoc and the Stewart GX 15 FT?
The Stewart GX 15 FT is rated 12.3 tonnes heavier gross. The Ifor Williams GH Plant with DigaDoc is a a plant trailer fitted with the manufacturer's DigaDoc load-tracking system; the Stewart GX 15 FT is a twin-axle flat trailer for agricultural and general haulage use.
Can I tow the Ifor Williams GH Plant with DigaDoc or the Stewart GX 15 FT on a car licence?
Stewart GX 15 FT is rated over 3,500kg gross, which is beyond what a car can tow in the UK.
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