Head to head
Ifor Williams HBX506 vs Sun Way Galaxy G510M16
The Ifor Williams HBX506 is rated 2.1 tonnes heavier gross and carries 1,175kg more. The Sun Way Galaxy G510M16 is 675kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams HBX506 is rated 2.1 tonnes heavier gross.
- Unladen weight: the Ifor Williams HBX506 weighs 675kg more empty.
- Payload: the Ifor Williams HBX506 carries 1,175kg more.
Specifications side by side
| Ifor Williams HBX506 | Sun Way Galaxy G510M16 | |
|---|---|---|
| Gross weight | 2600kg | 500 / 600 / 650 / 750 kg (modular rating) |
| Unladen weight | 865kg | 190 kg |
| Payload | 1735kg | up to 560 kg |
| Internal length | 3.26m | - |
| Internal width | 1.67m | - |
| Length | - | 470 - 600 cm |
| Width | - | 181 cm |
| Axles | - | Single, unbraked |
| Suitable boat length | - | up to 4.80 m |
Sources: Ifor Williams HBX506, Sun Way Galaxy G510M16. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HBX506 if...
- you want one that is rated 2.1 tonnes heavier gross
- you want one that carries 1,175kg more
A mid-size horsebox for owners moving one or two horses who want the updated HBX styling and features rather than the standard HB range trailer.
Listed by
- R M Trailer Centre - Middlesbrough, North Ormesby
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Buy or hire the Galaxy G510M16 if...
- you want one that is 675kg 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 HBX506 and the Sun Way Galaxy G510M16?
The Ifor Williams HBX506 is rated 2.1 tonnes heavier gross and carries 1,175kg more. The Sun Way Galaxy G510M16 is 675kg lighter empty. The Ifor Williams HBX506 is a a double horsebox trailer from Ifor Williams' HBX range; 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 HBX506 or the Sun Way Galaxy G510M16?
The Sun Way Galaxy G510M16. It is 675kg lighter empty than the Ifor Williams HBX506.
Which carries more, the Ifor Williams HBX506 or the Sun Way Galaxy G510M16?
The Ifor Williams HBX506, by 1,175kg.
Can I tow the Ifor Williams HBX506 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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