Built in 1983, the by Dravo Corporation of Neville Island, Pennsylvania (hull #8605) as the Arnold Sobel for the Sobel Barge Lines Incorporated.
In 2003, the tug was acquired by the Marquette Transportation Company of Jefferson, Louisiana. Where she was renamed as the Kelly Rae Erickson.
Powered by two, Tier III compliant, EMD-12-710G7C diesel engines. With Falk reduction gears, at a ratio of 4.741:1. Turning two, Avdl,-114(in) by 115(in), stainless steel, fixed pitch propellers, mounted in kort nozzles. She is a twin screw towboat, rated at 6,140 horsepower.
Her electrical service is provided by two, John Deere 6081, generator sets. The tug's capacities are 113,937 gallons of fuel, and 1,485 gallons of lube oil.