Head to head
HM Trailers DC20 vs Sun Way Galaxy G510M16
The HM Trailers DC20 is 74cm (2.5ft) wider.
Last reviewed 13 September 2026

Key differences
- Width: the HM Trailers DC20 is 74cm (2.5ft) wider.
Specifications side by side
| HM Trailers DC20 | Sun Way Galaxy G510M16 | |
|---|---|---|
| Width | 2550mm (8ft 4in) | 181 cm |
| Axles | 2 x 127mm round axles, 385/65 R22.5 wheels | Single, unbraked |
| Capacity | 12 cubic metres | - |
| Body length | 5200mm (17ft) | - |
| Overall length | 7284mm (23ft) | - |
| Max tipped height | 6210mm (20ft 4in) | - |
| Gross weight | - | 500 / 600 / 650 / 750 kg (modular rating) |
| Unladen weight | - | 190 kg |
| Payload | - | up to 560 kg |
| Length | - | 470 - 600 cm |
| Suitable boat length | - | up to 4.80 m |
Sources: HM Trailers DC20, Sun Way Galaxy G510M16. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the DC20 if...
- you want one that is 74cm (2.5ft) wider
A dump trailer for hauling muck, aggregate or waste on a construction site, built to tip clear over a high-sided skip or wagon. Its round-axle running gear and reinforced chassis suit off-road site use rather than road haulage.
Listed by
- H M Trailers - Ongar, Fyfield
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 HM Trailers DC20 and the Sun Way Galaxy G510M16?
The HM Trailers DC20 is 74cm (2.5ft) wider. The HM Trailers DC20 is a 12m3 commercial dump 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..
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.
