Page 39: of Marine News Magazine (July 2017)

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PROPULSION dividual injector units. This injection “Many of our customers operate in remote areas of method also allows for better control

Alaska for extended periods of time, or tow back and of injection timing over the entire op- erating range. Exhaust Gas Recircula- forth to Hawaii. Logistically, supplying DEF to vessels in tion lowers NOx emissions by cooling, these areas could be dif? cult. Certain components of mixing, and recirculating a portion of the exhaust gas with incoming air to the SCR system will require maintenance or replace- reduce stack emissions. This method is ment ahead of a typical engine overhaul cycle – pump, self-contained within the engine.

dosing injector, the catalyst itself.”

Beyond this, GE Marine’s self-de- scribed ‘breakthrough’ engine tech- – Thor Hatton, Hatton Marine nology not only eliminates the need for SCR, but all of the extra costs as- sociated with that extraneous equip- ment. Now, that option also comes in both 6L and 8L versions.

Operators tempted by the LNG route still must decide whether the present infrastructure – and that which is promised – will materialize and if so, will be adequate to their require- ments. For others, the answer, until just recently, was quite clear: eventu- ally you’d need SCR. And in the case of both LNG and SCR assisted diesel arrangements, operators were looking at large infrastructure installs and the potential loss of deadweight and/or ca- pacity. Not anymore, says GE.

GE Engines are offered for direct mechanical propulsion or as gensets for diesel-electric propulsion.

GE’s Newest Marine Engines – up close and personal

In a late May, MarineNews and

Hatton Marine’s Thor Hatton and

Matt Zeitz toured the GE Marine

Engine production facility located in Grove city, PA. Employing 500,

GE produces three Tier 4 compliant,

EGR solution marine engines here.

Seattle-based Hatton Marine, an en- gine distribution shop providing both service and installation work, partners with many OEM’s, none more im- portant at this time than GE Marine.

Firm believers in the GE EGR solu- tion, they’ve gotten in on the ground 39 www.marinelink.com MN