Head to head
Ifor Williams GD105 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 GD105 | Stewart GX 15 FT | |
|---|---|---|
| Gross weight | 2,700kg | 15,000kg |
| Unladen weight | 585kg | - |
| Internal bed | 3.11m x 1.58m (10ft 2in x 5ft 2in) | - |
| Brakes | Braked | - |
| 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 GD105, Stewart GX 15 FT. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GD105 if...
The same market as the GD85 with about 60cm more bed length, which is the difference between fitting a load and not. Landscapers and anyone moving long materials or a quad choose it for the length rather than the payload, which is unchanged.
Listed by
- Blendworth Trailers - Rowland's Castle
- 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 GD105 and the Stewart GX 15 FT?
The Stewart GX 15 FT is rated 12.3 tonnes heavier gross. The Ifor Williams GD105 is a general duty box trailer, twin axle, longer bed; the Stewart GX 15 FT is a twin-axle flat trailer for agricultural and general haulage use.
Can I tow the Ifor Williams GD105 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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