01 Jul

Delta Teresa specifications

Professional Mariner StaffAmerican Tugboat Review, Tugboats & Towing
Owner/operator: Baydelta Maritime Builder: Nichols Brothers Boat Builders Designer: Jensen Maritime Consultants     Dimensions: 100’ x 40’ x 19’ Mission: Ship escort and assist Crew size: 4      Propulsion: Engines: (2) Tier 3 Cat 3516, 2,650 hp; (2) Marelli electric motors, 650 hp Bollard pull: 90 tons Vessel speed: ~12.5 knots; 9 knots in electric mode Z-drives: Rolls-Royce/Kongsberg US…
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Power to spare: First Cat hybrid tugs arrive in Lake Charles
01 Jul

Power to spare: First Cat hybrid tugs arrive in Lake Charles

Professional Mariner StaffAmerican Tugboat Review, Maritime News
Harbor Docking & Towing Capt. Scott Lantier eased Ralph off Washburn & Doughty’s dock and steered south in the Damariscotta River. The main engines stayed silent as the tugboat climbed to 8 knots against a 3-foot swell. Down in the engine room, a single Caterpillar C18 engine provided electric power for motors mounted aft of the z-drives. A second C18…
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Square-bowed Samantha S. brings power and flexibility to the Columbia River
01 Jul

Square-bowed Samantha S. brings power and flexibility to the Columbia River

Professional Mariner StaffAmerican Tugboat Review, Tugboats & Towing
Shaver Transportation has added a brawny new tugboat capable of handling just about any work that comes its way. Samantha S. is an 8,432-hp powerhouse built with a striking square bow. With over 110 tons of bollard pull, the tug is easily the most powerful on the Columbia River. It is slated to join Shaver’s fleet based in Portland, Ore.,…
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01 Jul

Samantha S. specifications

Professional Mariner StaffAmerican Tugboat Review, Tugboats & Towing
Owner/operator: Shaver Transportation Co. Builder: Diversified Marine Designer: Jensen Maritime Consultants Dimensions: 112’ x 44’ x 20’ Mission: Ship assist, escort and rescue towing Crew size: 4-6      Propulsion: Engines: (2) Tier 4 GE 12V250, 4,216 hp Bollard pull: ~110 tons Z-drives: (2) Rolls-Royce US 305 with 4-blade propellers Auxiliary generators: (2) John Deere 6090A Deck equipment: Hawser winch:…
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Bay-Houston boosts escort capability with powerful Z-Tech tugs
01 Jul

Bay-Houston boosts escort capability with powerful Z-Tech tugs

Professional Mariner StaffAmerican Tugboat Review, Tugboats & Towing
Containerships and tankers calling U.S. ports are getting bigger. By necessity, tugboats that handle these massive ships are growing, too. Mark E. Kuebler is the first of five Tier 4 tugs built for Bay-Houston Towing Co. of Houston. Gulf Island Shipyards is building the series at its Jennings, La., yard based on the new Z-Tech 30-80 design from Robert Allan…
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01 Jul

Mark E. Kuebler specifications

Professional Mariner StaffAmerican Tugboat Review, Tugboats & Towing
Operator: G&H Towing Co. Owner: Bay-Houston Towing Co. Builder: Gulf Island Shipyards Designer: Robert Allan Ltd. Dimensions: 98’6” x 42’8” x 16’8” Mission: Escort and harbor assist      Propulsion: Engines: (2) Tier 4 Cat 3516E, 3,386 hp Bollard pull: 81.5 metric tons Vessel speed: 13 knots ahead Z-drive: (2) Schottel SRP 510 FP with 2800-mm propellers Gearbox: Lufkin MV1600S,…
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Moran’s latest Tier 4 tug ‘designed to dock ships’
01 Jul

Moran’s latest Tier 4 tug ‘designed to dock ships’

Professional Mariner StaffAmerican Tugboat Review, Tugboats & Towing
Modern tugboats are increasingly designed and outfitted to perform multiple jobs, from barge shifting to ship escorting and docking to rescue towing. Moran’s newest vessel focuses on what it does best: Escorting and docking big ships. Judy Moran, named for the wife of senior vice president Ned Moran, is a sibling to Benson George Moran now working in Port Arthur,…
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01 Jul

Judy Moran specifications

Professional Mariner StaffAmerican Tugboat Review, Tugboats & Towing
Operator: Moran Towing Co. Builder: Washburn & Doughty Designer: Washburn & Doughty Dimensions: 93’ x 38’ x 16.5’ Mission: Ship docking and escort Crew size: 4; berthing for 6      Propulsion: Engines: (2) Tier 4 Caterpillar 3516E, 3,386 hp Bollard pull: 84.1 metric tons Z-drives: (2) Schottel SRP 510 Propellers: (2) 110” stainless-steel props in nozzles Auxiliary generators: (2)…
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The future is now for hybrid propulsion at Great Lakes Towing
01 Jul

The future is now for hybrid propulsion at Great Lakes Towing

Professional Mariner StaffAmerican Tugboat Review, Tugboats & Towing
The Great Lakes Towing Co. operates some of the oldest harbor tugboats in the country, thanks largely to its presence in freshwater ports. Its newest tugs will be some of the most environmentally friendly. Great Lakes Shipyard, a division of the towing company, is building four tugboats at its yard west of downtown Cleveland. Ohio was scheduled to enter service…
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