Head to head
Ifor Williams General Duty vs Stewart GX 15 FT
The Stewart GX 15 FT is rated 13.6 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Stewart GX 15 FT is rated 13.6 tonnes heavier gross.
Specifications side by side
| Ifor Williams General Duty | Stewart GX 15 FT | |
|---|---|---|
| Gross weight | 1400kg to 2700kg depending on model | 15,000kg |
| Axles | Single or twin axle | 125mm dia., 10-stud, 420x180mm brakes |
| Internal length | 1.84m (6ft) to 3.71m (12ft 2in) | - |
| Internal width | 1.23m (4ft) to 1.71m (5ft 6in) | - |
| Length | - | 7,900-9,700mm (26-32ft) |
| Tare weight | - | 3,980kg |
| Tyres | - | 385/65Rx22.5 standard, 435/50Rx19.5 flotation option |
Sources: Ifor Williams General Duty, Stewart GX 15 FT. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the General Duty if...
Ifor Williams's entry-level flatbed range, bought by householders, gardeners and small trades for tip runs, garden waste and general loads. It is the trailer most UK hire yards keep several of, since one size or another suits almost any small job.
Listed by
- John Page Trailers Ltd - Ashford, Biddenden
Buy or hire the GX 15 FT if...
- you want one that is rated 13.6 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 General Duty and the Stewart GX 15 FT?
The Stewart GX 15 FT is rated 13.6 tonnes heavier gross. The Ifor Williams General Duty is a small flatbed/general purpose trailer range; the Stewart GX 15 FT is a twin-axle flat trailer for agricultural and general haulage use.
Can I tow the Ifor Williams General Duty 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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