Head to head
Ifor Williams GX125 HD vs Sun Way Galaxy G510M16
The Ifor Williams GX125 HD is rated 3 tonnes heavier gross and carries 2,180kg more. The Sun Way Galaxy G510M16 is 570kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams GX125 HD is rated 3 tonnes heavier gross.
- Payload: the Ifor Williams GX125 HD carries 2,180kg more.
- Unladen weight: the Ifor Williams GX125 HD weighs 570kg more empty.
Specifications side by side
| Ifor Williams GX125 HD | Sun Way Galaxy G510M16 | |
|---|---|---|
| Gross weight | 3500kg | 500 / 600 / 650 / 750 kg (modular rating) |
| Unladen weight | 760kg | 190 kg |
| Payload | 2740kg | up to 560 kg |
| Internal bed | 3.66m x 1.57m | - |
| Length | - | 470 - 600 cm |
| Width | - | 181 cm |
| Axles | - | Single, unbraked |
| Suitable boat length | - | up to 4.80 m |
Sources: Ifor Williams GX125 HD, Sun Way Galaxy G510M16. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GX125 HD if...
- you want one that is rated 3 tonnes heavier gross
- you want one that carries 2,180kg more
For plant hire firms carrying longer machines such as excavators with extended dipper arms or tracked dumpers that need the extra bed length over the GX105HD.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Buy or hire the Galaxy G510M16 if...
- you want one that is 570kg lighter empty
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 Ifor Williams GX125 HD and the Sun Way Galaxy G510M16?
The Ifor Williams GX125 HD is rated 3 tonnes heavier gross and carries 2,180kg more. The Sun Way Galaxy G510M16 is 570kg lighter empty. The Ifor Williams GX125 HD is a a longer heavy-duty plant trailer; 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..
Which is lighter, the Ifor Williams GX125 HD or the Sun Way Galaxy G510M16?
The Sun Way Galaxy G510M16. It is 570kg lighter empty than the Ifor Williams GX125 HD.
Which carries more, the Ifor Williams GX125 HD or the Sun Way Galaxy G510M16?
The Ifor Williams GX125 HD, by 2,180kg.
Can I tow the Ifor Williams GX125 HD or the Sun Way Galaxy G510M16 on a car licence?
Yes, as far as the licence goes. Both are rated at or under 3,500kg gross, and a car (B) licence has covered towing up to 3,500kg since 16 December 2021. Your car still has to be rated to tow the loaded weight - check the handbook or the VIN plate.
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