Luling, LA- Bisso Towboat Co., Inc. is pleased to announce the delivery of our newest shipassist tug, the 6,008 BHP ASD Tractor Tug’ Andrew S.’ The Andrew S. is the fourth new ASD Tractor Tug buil.t in the past five years by Main Iron Works, LLC, Houma, LA for Bisso.
The 100′ x 38′ x 13.5′ Andrew S. is powered by (2) Caterpillar 3516E Tier 4F main engines, generating 3004 BHP each at 1800 RPM, which drive 2 Rolls Royce US255 FP 2-Drives. The ZDrives feature 98.4″ diameter x 94.3″ pitch four-blade stainless steel propellers set in stainless steel nozzles. Estimated Bollard Pull is 84 Tons.
Electrical service is provided by (2) 99KW Marathon generators powered by (2) John Deere 4045AFM85 engines. The tug is equipped with a JonRie Series 240 Escort Winch featuring 500′ of 3″ diameter Saturn 12 line with 749,000# of breaking strength.
Other features include USCG-approved engine room monitoring and fire/smoke alarm systems, fixed CO2 fire extinguishing system, Simrad navigation/electronics, soundproof insulation throughout engine room/crew quarters, stainless steel bitts and bow staple and four bunk rooms with seven berths.
Tankage includes capacities for 30,162 gallons diesel, 11,000 gallons potable water, 1825 gallons each of lube and hydraulic oil and 3,000 gallons of Diesel Exhaust Fluid (DEF).
The Andrew S. will have a crew complement of four and carries an ABS International Load line in addition to being built to Subchapter M certification and receiving a USCG COi.
The Andrew S. is the first Tier 4 ASD Tractor Tug built for use on the Mississippi River and will be the most powerful ASD Tractor Tug in the Mississippi River ship-assist trade.
The Andrew S. brings the total number of tugs in the Bisso fleet to thirteen and continues Bisso’s new technology leadership of the Mississippi River ship-assist trade with the largest fleet of ASD Tractor Tugs on the Mississippi River, with eight.