Marathon modernizes its fleet with three new 4,000-hp towboats

摘要

Three new 4,000-hp towboats have been added recently to the inland transportation fleet of the marine division of Marathon Petroleum. The latest is the 144-foot Marathon, delivered in March from C&G Boat Works of Mobile, Ala. Two others recently delivered are Detroit and Kentucky. These Caterpillar-powered towboats were designed by Corning Townsend of CT Marine of Edgecomb, Maine. The engines are 3516C diesels producing 2,000 hp each at 1,600 rpm. The power train includes Reintjes 7.455:1 marine gears and 100-inch propellers in Harrington nozzles. The engine room also includes Caterpillar auxiliary power generators while the steering flat includes an EMI electro-hydraulic steering system with redundant controls.