Rolls-Royce Power Systems has announced a significant advancement in its MTU engine lineup, now offering the Series 1163 and 8000 engines with selective catalytic reduction (SCR) systems to meet the stringent IMO III emission standards. The engines, available in power ratings from 4,800 to 10,000 kW (4,800 to 13,410 hp) and in both 16 and 20V configurations, are designed to facilitate entry into Emission Control Areas (ECA) such as those in the Baltic and North Sea, as well as along the North American coast.
The MTU Series 1163 and 8000 engines have long been trusted for use in various marine applications, including frigates, corvettes, offshore patrol vessels, fast ferries, yachts, and large ocean-going ships. With this new development, Rolls-Royce Power Systems aims to enhance the engines’ environmental performance and future-proof them in line with its sustainability strategy.
Knut Müller, Senior Vice President of Global Governmental Business at Rolls-Royce Power Systems, emphasized the importance of this upgrade: “With this portfolio expansion, we are making our MTU large engines future-proof and more climate-friendly. They have been setting standards in their power range for many years in terms of power density, efficiency, and economy.”
The advanced mtu exhaust gas aftertreatment system features the SCR technology, which reduces nitrogen oxide (NOx) emissions by 75% compared to IMO II limits. The system’s active control continuously monitors emissions before and after the SCR unit, ensuring optimal performance and minimal use of the required reducing agent. Additionally, the system’s flexible installation options—both horizontal and vertical—make it adaptable to various ship designs.
Designed to withstand military-grade shock conditions, the new exhaust gas aftertreatment system can also be equipped with a bypass feature to maintain engine performance and propulsion power during extreme conditions or extended low-load operations.
In a further commitment to sustainability, Rolls-Royce has confirmed that the MTU Series 1163 and 8000 engines are now approved for use with sustainable fuels, including hydrotreated vegetable oil (HVO), without requiring modifications. Denise Kurtulus, Vice President of Global Marine at Rolls-Royce Power Systems, highlighted the growing demand for greener solutions: “There is significant interest from marine industry customers seeking to enhance their carbon footprint, particularly with HVO. Our test results demonstrate substantial reductions in greenhouse gases, NOx, and particulate emissions. We aim to be a reliable partner for our customers, driving the energy transition with our current and future propulsion solutions for sustainable fuels.”
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