Bisso Towboat Co. Inc. announced yesterday it had awarded a contract to Main Iron Works LLC, Houma, La., to begin construction of another 6,008-bhp Tier 4 Coast Guard-inspected ASD tractor tug.
The tug will be nearly identical to the Andrew S, which Main Iron delivered to Bisso in late November 2019. The 6,008-hp Andrew S was the first Tier 4 ASD tractor tug built for use on the Mississippi River. It was also the fourth new ASD tractor tug built by Main Iron Works for New Orleans-based Bisso...