Given the reference text about a towboat, how does the boat work?

The boat measures 99 feet (30 m) long overall, with a hull length of 80 feet (24 m), and an 18-foot (5.5 m) beam. She draws 32 inches (0.8 m). She is powered by a 160-horsepower (120 kW) 1940 Fairbanks-Morse 35E10 direct reversing diesel engine. She measures 51 gross registry tons and displaces approximately 108 long tons (110 t).[5][6] She is fashioned out of steel plates riveted to a steel frame. She has a scow-form bow fitted with special "knees" used in pushing barges, and a flat bottom with no keel

The boat is powered by a 160-horsepower 1940 Fairbanks-Morse 35E10 direct reversing diesel engine.