Head to head
Ifor Williams P6 vs Stewart GX 15 FT
The Stewart GX 15 FT is rated 14 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Stewart GX 15 FT is rated 14 tonnes heavier gross.
Specifications side by side
| Ifor Williams P6 | Stewart GX 15 FT | |
|---|---|---|
| Gross weight | 1000kg | 15,000kg |
| Axles | Single | 125mm dia., 10-stud, 420x180mm brakes |
| Brakes | Braked | - |
| Size | 6ft x 4ft | - |
| Length | - | 7,900-9,700mm (26-32ft) |
| Tare weight | - | 3,980kg |
| Tyres | - | 385/65Rx22.5 standard, 435/50Rx19.5 flotation option |
Sources: Ifor Williams P6, Stewart GX 15 FT. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the P6 if...
Ifor Williams P6, carried by UK dealers and hire companies listed on GetBrent for sale. The small Ifor Williams general purpose trailer and the forerunner of the current P6e. Householders and gardeners use it for tip runs, garden waste and DIY materials behind almost any car.
Full P6 specifications →Buy or hire the GX 15 FT if...
- you want one that is rated 14 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 P6 and the Stewart GX 15 FT?
The Stewart GX 15 FT is rated 14 tonnes heavier gross. The Ifor Williams P6 is a small general purpose trailer, 6ft x 4ft; the Stewart GX 15 FT is a twin-axle flat trailer for agricultural and general haulage use.
Can I tow the Ifor Williams P6 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.
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.