http://www.marinelink.com/news/cummins-new-qsk60-tier-2-engine/cummins-new-qsk60-tier-2-engine328954
Cummins New QSK60 Tier 2 Engine
Cummins Inc. (NYSE:CMI) has upgraded the QSK60 marine engine for propulsion and auxiliary applications to meet U.S. EPA Tier 2 and…