Head to head
Bockmann Portax K vs Sun Way Galaxy G510M16
The Bockmann Portax K is rated 1.9 tonnes heavier gross and carries 705kg more.
Last reviewed 13 September 2026


Key differences
- Gross weight: the Bockmann Portax K is rated 1.9 tonnes heavier gross.
- Payload: the Bockmann Portax K carries 705kg more.
Specifications side by side
| Bockmann Portax K | Sun Way Galaxy G510M16 | |
|---|---|---|
| Gross weight | 2400kg | 500 / 600 / 650 / 750 kg (modular rating) |
| Payload | 1265kg | up to 560 kg |
| Internal length | 3560mm | - |
| Internal width | 1750mm | - |
| Internal height | 2350mm | - |
| Unladen weight | - | 190 kg |
| Length | - | 470 - 600 cm |
| Width | - | 181 cm |
| Axles | - | Single, unbraked |
| Suitable boat length | - | up to 4.80 m |
Sources: Bockmann Portax K, Sun Way Galaxy G510M16. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Portax K if...
- you want one that is rated 1.9 tonnes heavier gross
- you want one that carries 705kg more
A mid-range Portax with a front unloading ramp, bought by owners who value being able to lead a horse out the front rather than reversing it out. It sits below the Big Portax models in size and price.
Listed by
- Böckmann UK Trailers & Horseboxes - Cinderford, Littledean
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 Bockmann Portax K and the Sun Way Galaxy G510M16?
The Bockmann Portax K is rated 1.9 tonnes heavier gross and carries 705kg more. The Bockmann Portax K is a aluminium 2-horse trailer with front exit; 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 carries more, the Bockmann Portax K or the Sun Way Galaxy G510M16?
The Bockmann Portax K, by 705kg.
Can I tow the Bockmann Portax K 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.
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.
