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If you take a ride on a new Washington State Ferry, it’s likely your vessel’s onboard power is provided by three Volvo Penta generators from Pacific Power Group. Volvo Penta diesel generators have been selected to power two new ferries for the Washington State fleet, including the Chimacum, which was recently delivered, and the Suquamish, currently under construction.

About the Project

Transporting nearly 24 million visitors and residents between 20 different ports each year, the Washington State Ferry (WSF) fleet is trusted as the primary water transport for the Puget Sound
area – from Port Defiance all the way to Vancouver Island in Canada. Seven of 22 current vessels are between 40 and 60 years old and are approaching the end of their service lives. The new Washington State vessels are the Olympic class 144-car ferries, two of which are already in service. Vigor Industrial was contracted to build the new ferries, with PPG providing the crucial onboard power.


Project Timing

The Chimacum will be replacing an older vessel on the Seattle/Bremerton route in late spring 2017. The Suquamish is slated to arrive to WSF in Fall 2018. Two additional ferries built by Vigor have already joined the WSF fleet: the Tokitae joined the Mukilteo/Clinton route in 2014, and the Samish was put into service on the Anacortes/San Juan Islands route in June 2015.


Ferry Power Specs

  • Both will be source on-board power from three Volvo Penta D13 keel-cooled ship service generators
  • Each generator will supply 341 kWe of power
  • PPG also supplied Volvo Penta D13 radiator-cooled emergency generator sets for a custom-fabricated skid to each ferry


Environmental Benefits

Reducing emissions is a critical focus for WSF. The new Volvo Penta generators are EPA Tier 3-certified and will have cleaner operations than previous power sources, helping to reduce impact on Washington’s waterways and air.


More about PPG’s Volvo Penta engines and generators

More about the WSF Project

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Tag Archives: Ferry


Pacific Power Group has engineered a propulsion system with an exhaust treatment system for two new San Francisco Water Emergency Transportation Authority (WETA) ferries that will be the cleanest operating passenger ferries in the U.S.

Third party independent emissions testing completed in January at PPG’s Kent, Wash. location show that the system’s emissions are believed to be lower than any currently-operating passenger ferry in the U.S. The MTU engines are certified to EPA Tier 3 marine emission levels and with the added exhaust after-treatment system, EPA Tier 4 Final level performance is achieved without the use of diesel particulate filters. The independent emissions tests were conducted and verified by Infowedge and The University of California at Riverside Center for Environmental Research and Technology.

PPG’s custom-engineered solution focused on the operating conditions with the greatest emissions outputs with a high priority on vessel operational reliability and keeping weight and space claim to a minimum. The system will reduce an estimated 10 tons of NOx, PM and CO emissions annually through the use of selective catalytic reduction and diesel oxidation catalyst technologies.

The complete propulsion system supplied by Pacific Power Group includes two MTU

12V4000M64 1950 HP engines and ZF 7600 reduction gears. MTU Series 4000 engines provide a clean-running operation that helps lower the ferries’ emissions output. The Series 4000 engines also offer increased safety, lower fuel consumption and greater reliability for the commercial passenger vessels.


PPG’s engineers worked closely with Vigor Industrial’s Kvichak Marine Industries to develop a system that physically fits the vessel design, meets weight goals and provides easy installation and maintenance for WETA.

“As the demand for cleaner-operating vessels continues to grow, we’re proud to offer innovative, environmentally-friendly solutions that meet and exceed the unique demands our customers have for their vessels,” said Bill Mossey, vice president of Pacific Power Group. “The propulsion and exhaust treatment system created by our marine team and partners makes these ferries some of the greenest operating passenger vessels in the nation.”

The ferries will replace two of WETA’s 12-vessel fleet that are nearing the end of their expected 25-year life. Each vessel will carry approximately 400 passengers and will operate at about 27 knots. Designed by Incat Crowther, each will be a 135’ x 38’ all-aluminum catamaran. The ferries are currently under construction at Kvichak’s shipyard and are expected to be in service by the summer of 2017.FerryInfoGraph_Pt3

PPG is a longtime partner of WETA, and has provided propulsion systems, support and ground-breaking environmental solutions for the transit organization for many years. In 2011, Pacific Power Group supplied advanced propulsion systems for WETA’s Gemini and Pisces ferries that exceeded then-current EPA Tier 2 standards by 97 percent.

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Tag Archives: Ferry

washington-state-ferry-volvo-penta- Pacific Power Group

Our marine team is supplying four diesel generator sets for a new Olympic-class ferry named the Suquamish that is currently under construction for Washington State Ferries. Three Volvo Penta D13 keel-cooled ship service generators each will supply 341 kWe of power to the ferry. Our team also supplied a Volvo Penta D13 radiator-cooled emergency generator set rated at 365 kWe.

The engine packages are EPA Tier 3 commercial emissions certified, making them environmentally-friendly, and are assembled on a custom-fabricated steel skid made by our Kent Marine team. The work of our Marine team will be vital to the ferry’s operation as it provides transportation throughout the Puget Sound area.

The Suquamish is currently under construction at Vigor Industrial’s Seattle shipyard. The new ferry is being built as part of a program to replace four of the state’s ferries that are more than 50 years old. Delivery for the project is planned for mid-2018.

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