Page 38: of Marine News Magazine (July 2017)

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PROPULSION

Sizing Up Sizing Up the Market, the Market,

Credit: Ingram Marine Group

Scaling Solutions Scaling Solutions to Sizeto Size

GE Dips its Toes in Inland Waters with its compact and easy to install Tier IV EGR Solution

By Joseph Keefe n October of 2014, news of Oceaneering’s purchase Fast Forward of GE Transportation’s newest marine engine offering Two years later, more compact versions of the environ-

Iwas making waves. These engines – ones which meet mentally advanced engines have been introduced to the

EPA Tier 4i and IMO Tier III Emissions standards – with- inland and workboat sectors. Until recently, the repower out the need for a Selective Catalytic Reduction system or rebuild quandary was largely a question of whether to (SCR) exhaust gas after-treatment, had workboat opera- go with diesel and SCR, dual fuel and/or pure gas engines. tors everywhere looking at new possibilities. Before that, As mid-year 2017 approaches, vessel operators in virtually

Harvey Gulf International Marine also entered into a con- every category have a new choice to consider when it comes tract to construct a new Multipurpose Field Support Vessel to newbuild or repower decisions. The GE Marine 12V250 (MPFSV) at Eastern Shipbuilding, this one also powered Marine diesel engines reduced NOx emissions by 70 per- by GE’s Tier 4 compliant, EGR main engines. That’s im- cent when compared to EPA Tier 2 or IMO Tier II. Com- portant because Harvey Gulf, the recognized North Amer- mon rail fuel injection provides better fuel atomization ican leader in rolling out LNG and dual fuel propulsion through a high-pressure fuel rail feeding solenoid valves vessels, in this case, selected a pure diesel engine. instead of individual high-pressure fuel pumps feeding in-

July 2017

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