In December, Blakeley BoatWorks, Mobile, Ala., delivered the 70'x28', 1,600-hp Green Wave, a fully compliant, Subchapter M inland pushboat, to Plimsoll Marine, LaPlace, La. The vessel will operate within the Cooper Consolidated LLC fleeting footprint, the largest fleeting footprint on the Lower Mississippi River. All three companies are part of the Cooper Group of Companies.

Designed by Farrell & Norton Naval Architects, the towboat is powered by two Caterpillar C32 800-hp Tier 3 diesel marine engines and coupled to two Twin Disc MGX-5222 gears. Electrical power is supplied by two Caterpillar C4.4 Tier 3 generators.

A pair of Southeastern Propeller 70" 4-bladed stainless-steel propellers provide thrust through two J&S Machine Works Inc. 7" ABS Grade two propeller shafts with Thordon shaft bearings, Thordon rudder bearings, and Kemel shaft seals. 

HydraForce LLC supplied the steering system for the two 7" main and four 7" flanking rudders. The towboat has a capacity of 22,000 gals. of fuel and 5,200 gals. of fresh water. The vessel is outfitted with four staterooms housing seven crew, three baths and a full galley.


David Krapf has been editor of WorkBoat, the nation’s leading trade magazine for the inland and coastal waterways industry, since 1999. He is responsible for overseeing the editorial direction of the publication. Krapf has been in the publishing industry since 1987, beginning as a reporter and editor with daily and weekly newspapers in the Houston area. He also was the editor of a transportation industry daily in New Orleans before joining WorkBoat as a contributing editor in 1992. He has been covering the transportation industry since 1989, and has a degree in business administration from the State University of New York at Oswego, and also studied journalism at the University of Houston.

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