Head to head
Ifor Williams HB510XL vs Sun Way Galaxy SW385M16
The Sun Way Galaxy SW385M16 is 1,140kg lighter empty. The Ifor Williams HB510XL is rated 3 tonnes heavier gross and carries 1,860kg more.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB510XL weighs 1,140kg more empty.
- Gross weight: the Ifor Williams HB510XL is rated 3 tonnes heavier gross.
- Payload: the Ifor Williams HB510XL carries 1,860kg more.
Specifications side by side
| Ifor Williams HB510XL | Sun Way Galaxy SW385M16 | |
|---|---|---|
| Gross weight | 3500kg | 500 kg |
| Unladen weight | 1290kg | 150 kg |
| Payload | 2210kg | 350 kg |
| Internal length | 4.25m | - |
| Internal width | 1.74m | - |
| Length | - | 4,195 - 5,880 mm (adjustable) |
| Width | - | 1,600 mm |
| Suitable boat length | - | 4.60 m |
Sources: Ifor Williams HB510XL, Sun Way Galaxy SW385M16. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HB510XL if...
- you want one that is rated 3 tonnes heavier gross
- you want one that carries 1,860kg more
For owners of taller or longer horses who find the standard HB511 too tight, giving extra internal length on the same 3500kg chassis so it stays towable by a suitably rated 4x4.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
Buy or hire the Galaxy SW385M16 if...
- you want one that is 1,140kg lighter empty
The Galaxy SW385M16 suits owners of small motorboats who need some flexibility in trailer length, since its adjustable frame extends to suit different hull lengths up to about 4.6m. Its sliding galvanised axle lets the owner fine-tune nose weight for safer towing behind a smaller car.
Listed by
- Lider Trailers - Accrington, Blackburn
Common questions
What is the difference between the Ifor Williams HB510XL and the Sun Way Galaxy SW385M16?
The Sun Way Galaxy SW385M16 is 1,140kg lighter empty. The Ifor Williams HB510XL is rated 3 tonnes heavier gross and carries 1,860kg more. The Ifor Williams HB510XL is a an extra-length double horsebox trailer; the Sun Way Galaxy SW385M16 is a a small adjustable-length boat trailer in Sun Way's Galaxy range, with a sliding axle to help balance the load when towing..
Which is lighter, the Ifor Williams HB510XL or the Sun Way Galaxy SW385M16?
The Sun Way Galaxy SW385M16. It is 1,140kg lighter empty than the Ifor Williams HB510XL.
Which carries more, the Ifor Williams HB510XL or the Sun Way Galaxy SW385M16?
The Ifor Williams HB510XL, by 1,860kg.
Can I tow the Ifor Williams HB510XL or the Sun Way Galaxy SW385M16 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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