Head to head
Ifor Williams HB511 vs Sun Way Galaxy SW345PN
The Sun Way Galaxy SW345PN is 840kg lighter empty. The Ifor Williams HB511 is rated 2.2 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB511 weighs 840kg more empty.
- Gross weight: the Ifor Williams HB511 is rated 2.2 tonnes heavier gross.
Specifications side by side
| Ifor Williams HB511 | Sun Way Galaxy SW345PN | |
|---|---|---|
| Gross weight | 2,700kg | 500 kg |
| Unladen weight | 1,000kg | 160 kg |
| Internal length | 3.52m | - |
| Internal width | 1.79m | - |
| Brakes | Braked | - |
| Payload | - | 340 kg |
| Length | - | 4.70 m (frame) |
| Width | - | 1.84 m |
| Suitable boat length | - | 4.40 m |
| Axles | - | Single, unbraked |
Sources: Ifor Williams HB511, Sun Way Galaxy SW345PN. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HB511 if...
- you want one that is rated 2.2 tonnes heavier gross
The wider step up from the HB506, for larger horses or owners who want more room in transit. The extra 12cm of internal width and 36cm of length cost 80kg unladen, which is worth checking against your tow vehicle before choosing it over the HB506.
Listed by
- Trek-Trailers Lincolnshire - Doncaster, Belton
- Trek-Trailers Suffolk - Bury Saint Edmunds
- R M Trailer Centre - Middlesbrough, North Ormesby
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- Horse Trailer Sales - Robertsbridge, Staplecross
- Trek-Trailers Three Counties - Hereford
Buy or hire the Galaxy SW345PN if...
- you want one that is 840kg lighter empty
The Galaxy SW345PN suits owners of inflatables and small RIBs who want the lightest trailer that still meets EU type approval, since its 500kg gross weight lets many small cars tow it without extra licence categories. Its multi-roller bed is built for a soft or RIB hull rather than a hard-chine motorboat.
Listed by
- Lider Trailers - Accrington, Blackburn
Common questions
What is the difference between the Ifor Williams HB511 and the Sun Way Galaxy SW345PN?
The Sun Way Galaxy SW345PN is 840kg lighter empty. The Ifor Williams HB511 is rated 2.2 tonnes heavier gross. The Ifor Williams HB511 is a two-horse trailer, twin axle, wider body; the Sun Way Galaxy SW345PN is a a lightweight single-axle boat trailer from Sun Way's Galaxy range, designed for inflatable and rigid inflatable boats..
Which is lighter, the Ifor Williams HB511 or the Sun Way Galaxy SW345PN?
The Sun Way Galaxy SW345PN. It is 840kg lighter empty than the Ifor Williams HB511.
Can I tow the Ifor Williams HB511 or the Sun Way Galaxy SW345PN 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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