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Tug Technology & Business

Tug Technology & Business

Bisso expands fleet with new tractor tug

Tue 10 Oct 2017 by Martyn Wingrove

Bisso expands fleet with new tractor tug
Liz Healy is an ASD tractor tug with 60 tonnes of bollard pull

Bisso Towboat Co has taken delivery of an azimuthing stern drive tug for towage in the Mississippi River in Louisiana, USA. Liz Healy is a tractor tug with 60 tonnes of bollard pull powered by two Caterpillar 3156C engines.

This new addition is the final tug in a series of three identical 4,480 hp vessels built by Main Iron Works of Houma, Louisiana. It completed sea trials on 6 October and entered service, increasing Bisso Towboat’s fleet to 12.

It has two Rolls Royce US205FP Z-drives with pitch stainless steel propellers and stainless steel nozzles. Liz Healy also has two 99 kW Marathon generators powered by two John Deere 4045AFM85 engines.

It is also equipped with a JonRie Series 230 hydraulic bow winch and Simrad navigation and bridge electronics. For safety, Liz Healy has engineroom monitoring and fire and smoke alarm systems approved by the US Coast Guard.

Tankage includes capacity for 30,163 gallons of diesel fuel, 1,826 gallons of lube oil and hydraulic oils and 11,000 gallons of potable water. 

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