We drag our our 3.5m + engine + kit about 300 metres over undulating grass and dunes to a sandy beach on a launching trolley and trailer dolly. Dolly is great but still needs two on the sandy sections.
In a vain attempt to get mechanical assistance for one we are currently considering modifying a cheap Chinese e-bay rotavator;
With the addition of a tow ball and replacing the tines with two extra wheels will provide a micro tractor unit with optional 4wd.
Daft or what! 🚜🚤