Palatka, Fla. (February 28, 2012) — St. Johns Ship Building of Palatka, Fla. delivered two custom  built twin screw push tugs, the Lady Shayne and the Lady Dashelle, for Smithbridge of Brisbane  Australia. These 25-ft tugs feature twin John Deere model diesel engines with a combined rating  of 600hp and conventional shaft drives with reversing gears.