Cummins announces EPA Tier 3 marine engine line-up

cummins_logoCummins Inc. (NYSE: CMI) has released details of its U.S. EPA compliant Tier 3 marine engines. Improving on the existing EPA Tier 2-certified product line, the company is developing a full range of Tier 3 products from 6.7 to 60 liters and 150 to 2700 HP. Cummins Tier 3 solutions apply advanced combustion technology to reduce emissions in-cylinder without the need for aftertreatment. Cummins Tier 3 marine product line will serve as the platform for meeting future, more stringent emissionslimits in the U.S. and globally.

The EPA's Tier 3 marine emissions regulation require a 50% reduction in particulate matter (PM) and a 20% reduction in nitrogen oxides (NOx) compared to Tier 2 standards. The Tier 3 marine emissions regulation takes effect January 1, 2012 for Cummins engines between 3.5 and 7.0 liters per cylinder and continues through 2014. The QSK60 is the only engine in Cummins marine portfolio requiring EPA Tier 3 certification in 2012; the QSK19, QSK38 and QSK50 are not required to meet EPA Tier 3 until January 1, 2013.

The Tier 3-certified QSK60 features the same base engine hardware and footprint as the existing MCRS product. Further, the lubrication, cooling, air handling, fuel and exhaust systems are the same design as the current 60-liter product ensuring minimum disruption for series-built vessels or replacement engines. As with Tier 2, the Tier 3 engine will be available with Cummins C Command panels, CENTINEL Oil Management System and the ELIMINATOR filter to help monitor and reduce the cost of operation and maintenance.

Cummins is able to achieve Tier 3 emissions levels without sacrificing power density. With Tier 3 certified propulsion, auxiliary and diesel electric ratings between 2,000 and 2,700 hp, the QSK60 is well suited for high-hour demanding applications including offshore support, towing, cargo and passenger transport, as well as ship's service power. Engine production is scheduled to begin in early 2012.

August 23, 2011

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