New QSK95 sees Cummins power up for tugs
The new QSK95 marine engine makes its debut recently in the USA.
Commercial marine diesel engine manufacturer Cummins has introduced an engine which takes it into the tugs sector with the new QSK95 model rated at 4,000 hp (2,983 kW) output.
Claiming to be the most powerful high speed diesel configured for marine propulsion and auxiliary generator sets, The 95 litre, 16 cylinder engine is designed ready to meet EPA Tier 4 low emissions regulations taking effect in 2014.
“The QSK95 will allow Cummins to meet our customers’ growing power requirements, while meeting increasingly more stringent global emissions,”
said Jenny Bush, general manager of Cummins Commercial Marine Business at the recent launch in Indiana USA. “It also strengthens Cummins position as a global player in the commercial marine industry by allowing us to enter new market segments.”
The QSK95 offers flexibility in power configurations for propulsion, auxiliary, genset and diesel electric applications, with ratings from 3,200 hp to 4,000 hp (2,386 to 2,983 kW). The QSK95 is thus suitable for vessel applications such as tugs, inland waterway towboats, offshore support vessels, passenger transport, dredgers, short sea cargo ships and coastal tankers.
While achieving a power output previously exclusive to medium speed marine engines, the QSK95 is claimed to bring a lower capital cost, a more compact installation and exceptional fuel efficiency.
The QSK95 is easily integrated with Cummins C Command Elite Premium and Elite Plus class approved instrument panels which include a selection of monitoring and display options to help operators protect and enhance engine operations and manage operating costs. This is achieved by logging critical operating parameters such as engine load, duty cycle, speed and fuel consumption, while providing diagnostic and prognostic capabilities. A common point of connection in the customer interface box simplifies the link between engine electronics and vessel systems.
The QSK95 meets IMO Tier II and EPA Tier 3 emissions standards with highly efficient fuel injection and clean combustion. For highly emissions regulated areas around the world, the QSK95 will enable a 4,000 hp marine engine to achieve EPA Tier 4 emissions using Cummins own exhaust after-treatment systems. This integrated solution offers more efficient packaging, reducing space constraints.
The QSK95 has been engineered to meet Green Passport requirements for zero disposal impact. The Cummins Eliminator oil filtration system eliminates the need for lube oil filters, while on-engine fuel filter replacement cartridges make for more cost effective maintenance and disposal.
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