A unique Single Z-Drive Conversion

A tug conversion project recently undertaken by US operator McAllister Towing & Transportation will be of interest to other tug owners contemplating the future of their older, conventional, single screw tugs.

The single Schottel propulsion unit has a CP propeller. Donal G McAllister is one of two former navy tugs converted to single ASD propulsion.

A tug conversion project recently undertaken by US operator McAllister Towing & Transportation will be of interest to other tug owners contemplating the future of their older, conventional, single screw tugs.