Amen to the comments about having an oversize crane equipped with serious outriggers and spreaders. This equipment that hauled my boat a couple of years ago is owned by Lampson Crane International, one of the country's largest crane manufacturers. Cranes for Construction Companies in Houston | Lampson International (Interesting website if you like big cranes. )
Mike and Tina
2008 Monaco Camelot 350hp Cummins
1981 Boston Whaler 13'