Brusco Tug & Barge orders two more Robert Allan Ltd. tugs at Diversified Marine

Written by Nick Blenkey
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New vessels will be sisterships to the Noydena, delivered earlier this year.

Portland, Ore., shipbuilder Diversified Marine Inc. has booked an order to build a pair of Robert Allan Ltd. (RAL) RApport 2500 design tugs for Brusco Tug & Barge of Longview, Wash. They will be the ninth and 10th RAL designed tug ordered at Diversified by Brusco. The first, the Wynona Spirit, was ordered back in 1999.

“Bo Brusco is a close, close friend of mine. Over the years, we have done a lot of business together, but I have always seen him as a friend first, customer second,” says Kurt Redd, CEO of Diversified Marine. “These will be our ninth and tenth boat builds for Brusco Tug & Barge. You don’t hear about that kind of relationship between a shipyard and operator often. Our business is built on relationships and we are thankful for the one we have with Brusco. It has allowed us to work on great, cutting edge boats and develop industry leading capabilities. We are excited to start work on the latest tug—it’s going to be a beast.” The tugs are under construction now and will deliver in 2021.

Jim Hyslop, manager of project development and principal at Robert Allan, has been involved with many of the Brusco builds.

“Brusco has been a great, longtime customer of Robert Allan Ltd.,” he says. “We are pleased to see their fleet of RAL tugs continue to grow. The RApport 2500 series is a remarkable vessel and we look forward to the upcoming projects.”

Diversified Marine is the leading builder of RAL design tugs in the U.S. and Hyslop says the long relationship has been a major benefit in the build process.

“We are always happy to work with DMI because of the quality of work they put out and their familiarity with Robert Allan designs,” he says.

The two tugs just ordered will be sisterships of the first RApport 2500 built in the U.S., the Noydena, which was chartered to Crowley by Brusco and renamed the Hercules.

The tugs will be powered by two CAT 3516E Tier IV main engines. Each of the tugs in the three-build series will have more power than the last. The Noydena, delivered earlier this year, boasted 6,008 hp. with 89-ton bollard pull, the second tug will deliver 6,302 hp. and the third 6,772 hp. withan anticipated bollard pull in the mid to high 90-ton range.

BERG PROPULSION Z-DRIVES

The Z-drives on the second tug will be the first to be supplied by Sweden’s Berg Propulsion since it reverted to its original name after several years of being owned by Caterpillar and branded as Caterpillar Propulsion.

Diversified Marine was the leading shipyard installing the systems under the Caterpillar Propulsion name.

Barrett Carpenter, marine sales engineer at Caterpillar dealer Peterson Power Systems, which now represents Berg Propulsion says Diversified Marine and customers like Brusco as a priority.

“DMI is a titan in the industry when it comes to building tugs. Kurt Redd and Bo Brusco are always looking for ambitious projects that push the limits of what is possible. It’s a lot of fun to work with customers that really like to move the needle. Diversified Marine installed the first CAT Propulsion systems in the U.S. and the first CAT Tier 4 marine engines.”

Stefan Sedersten, CEO of Berg Propulsion, looks forward to delivering the first U.S. Berg units.

“I am aware Diversified Marine has been a highly valued customer to Caterpillar Propulsion and I look forward to developing the relationship between Berg Propulsion and Diversified Marine,” he says.

The Berg Z-Drives will be MTA 628 units with Berg controls in the pilot house.

Markey Machinery will outfit the bow of both tugs with DEPC-52, 75 hp., single drum, electric hawser winches. The winch features Markey’s render / recover package which automatically adjusts scope to maintain a preset line tension.

The tugs will also have a fire-fighting capability with a Carver fire pump capable of 1,250 gallons per minute.

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