Head to head
Stewart GX 15 FT vs Sun Way Galaxy G510M16
The Stewart GX 15 FT is rated 14.5 tonnes heavier gross and is 3.2m (10.5ft) longer.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Stewart GX 15 FT is rated 14.5 tonnes heavier gross.
- Length: the Stewart GX 15 FT is 3.2m (10.5ft) longer.
Specifications side by side
| Stewart GX 15 FT | Sun Way Galaxy G510M16 | |
|---|---|---|
| Length | 7,900-9,700mm (26-32ft) | 470 - 600 cm |
| Gross weight | 15,000kg | 500 / 600 / 650 / 750 kg (modular rating) |
| Axles | 125mm dia., 10-stud, 420x180mm brakes | Single, unbraked |
| Tare weight | 3,980kg | - |
| Tyres | 385/65Rx22.5 standard, 435/50Rx19.5 flotation option | - |
| Unladen weight | - | 190 kg |
| Payload | - | up to 560 kg |
| Width | - | 181 cm |
| Suitable boat length | - | up to 4.80 m |
Sources: Stewart GX 15 FT, Sun Way Galaxy G510M16. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GX 15 FT if...
- you want one that is rated 14.5 tonnes heavier gross
- you want one that is 3.2m (10.5ft) longer
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
Buy or hire the Galaxy G510M16 if...
The Galaxy G510M16 suits owners of small motorboats up to about 4.8m, using a multi-roller bed rather than bunks so the hull can be winched on and off easily at a slipway. Its modular rating up to 750kg gross weight lets an owner choose the plate that matches their towing licence.
Listed by
- Lider Trailers - Accrington, Blackburn
Common questions
What is the difference between the Stewart GX 15 FT and the Sun Way Galaxy G510M16?
The Stewart GX 15 FT is rated 14.5 tonnes heavier gross and is 3.2m (10.5ft) longer. The Stewart GX 15 FT is a twin-axle flat trailer for agricultural and general haulage use; the Sun Way Galaxy G510M16 is a a single-axle multi-roller boat trailer from French manufacturer Sun Way, built for launching and recovering small motorboats..
Can I tow the Stewart GX 15 FT or the Sun Way Galaxy G510M16 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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