Page 51: of Maritime Reporter Magazine (May 2019)
Propulsion Annual - Green Marine Tech
MARINE PROPULSION • THOUGHT LEADERSHIP
Stiefel, WinGD Quite a challenge Also in 2018, Cummins announced that ? shing and passenger transport. The ma- between 450 horsepower (336 kW) and and raising the bar. I believe a “carbon a version of its popular X15 engine was rine X15 is designed to withstand high 600 horsepower (447 kW), while meet- neutral” future is more realistic for ship- available for commercial marine markets hour, continuous duty operation, offering ing EPA Tier 3 and IMO Tier II emission ping. That in and of itself will be a great including inland waterways, commercial variable speed and ? xed speed ratings standards.
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Brown, Cummins Earlier we men- tioned Enhydra, the large excursion boat now based in San Francisco. Some are calling the 600-seat vessel one of the “greenest” boats in America. It has a lith- ium-ion battery-electric hybrid propul-
The Since1939LEADER sion system that can complete extended cruises completely on electricity. Each of
Sliding Watertight Doors and Custom Closures the vessel’s two screws are connected to generators powered by 410-horsepower
Cummins QSL9 diesel engines.
Also, in March of 2018, Cummins an- nounced that Azam Marine had selected two QSK95 engines to power its next passenger ferry, the Kilimanjaro VII, which will operate between the islands of Zanzibar, Pemba and mainland Tan- zania. The QSK95 is the largest engine diesel engine Cummins makes.
The high-speed diesel engine offers a power output previously exclusive to much larger medium-speed marine en- gines with power ratings from 3,200 to ™
E + E = A W TNGINEERING XPERIENCE INNING RADITION 4,200 horsepower for propulsion, auxil- iary, generator and diesel electric appli- cations. The QSK95 has a lower capital cost, more compact installation and ex-
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MR #5 (50-57).indd 51 5/3/2019 1:48:28 PM