Master Boat Builders launches advanced hybrid tug for Seabulk

Written by Nick Blenkey
Set for delivery in 2022, tug has a bollard pull of 90 tons.

Set for delivery in 2022, tug has a bollard pull of 90 tons.

Master Boat Builders, Inc. reports that its Coden, Ala., shipyard recently launched the hybrid tugboat Spartan. The first of two vessels of this type ordered in December 2019, it is set for delivery to Seabulk in 2022.

Designed by Vancouver, B.C., headquartered Robert Allan Ltd., the tug has an overall length of 98 feet, beam of 43 feet, and bollard pull of 90 tons. The integrated hybrid propulsion system was provided by Thompson Tractor and includes two EPA Tier 4 certified Caterpillar 3512E main engines, each producing 2,550 horsepower and two Berg MTA 628 azimuth thrusters, three Caterpillar generators and two ABB propulsion motors and associated variable frequency drives.

“Master Boat Builders is proud to launch this technologically-advanced hybrid tugboat, which is the latest in a series of innovative and alternative-powered work boats that we are constructing as the maritime industry continues to modernize its fleet,” said Garrett Rice, President of Master Boat Builders, “With a collaborative design, engineering, and building approach from the start, we were pleased to work with our partners to develop and build this new tugboat for Seabulk.”

“We are pleased to welcome the Spartan hybrid tugboat to our fleet. She represents both the excellent workmanship of Master Boat Builders and Seabulk’s steadfast commitment to improving the sustainability of its operations through technological advancement,” said Daniel Thorogood, CEO of Seabulk. “She is the first of two purpose-built diesel-electric hybrid vessels commissioned to reduce our future carbon emissions.”

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