Built in 2023 by Steiner Construction of Bayou La Batre, Alabama (hull #21021) as the Michael J. Kennelly for American Commercial Barge Lines Incorporated of Jeffersonville, Indiana.

The tug is named for the senior vice president of ACBL’s Liquid Division.

Powered by two, Tier IV compliant, Mitsubishi S12R diesel engines, with Twin Disc 5600 reduction gear at a ratio of 6.04:1. She is a twin screw towboat rated at 2,520 horsepower.

The tug's capacities are 28,600 gallons of fuel, 8,400 gallons of potable water, 2,000 gallons of both gear oil and lube oil, 1,000 gallons of both waste oil and hydraulic oil, 3,000 gallons of diesel exhaust fluid (DEF) and 28,680 gallons of ballast.