MAN Diesel and Turbo (MAN) has launched a new four-stroke marine engine, the 45/60CR. Succeeding the MAN 48/60CR, MAN says future derivatives of the new engine will be available powered by dedicated natural gas or dual-fuel (natural gas / marine diesel oil).
The 45/60CR will initially be available as 12V and 14V versions that boast power outputs, of 15,600 and 18,200 kW respectively, with inline versions following at a later stage.
Wayne Jones, Chief Sales Officer of MAN Diesel & Turbo, said: “The new engine combines the best features of the current 48/60CR, such as MAN’s common-rail system with ECOMAP capability, and adds new technologies such as two-stage turbocharging for an unrivaled Specific Fuel Oil Consumption. The resultant reduction in operating expenses and positive environmental impact are sure to attract strong market interest.”
MAN Diesel & Turbo states that the 45/60CR’s power increase and low consumption are particularly aimed at such key, lifecycle-cost-oriented applications as cruise liners, RoPax ferries, RoRo vessels, and dredgers. The company is making the 45/60CR engine available first as 12V and 14V versions with 6L to 10L variants to follow later. It reports that the engine has been conceived from the beginning as a family concept that will accommodate future derivatives, for example, such as a dual-fuel derivative.
The first set of V-type engines will be available from end-2020 with delivery of the first L-type engines due from 2022.
MAN V45/60CR: the perfect fit for shipping
Modern shipping faces constant demands to increase efficiency and comply with ever more stringent emissions regulations, amid growing public awareness of its environmental role. The MAN V45/60CR engine enables owners and operators to meet such demands, while simultaneously optimizing operating expenses with unrivaled, low levels of fuel-consumption. Through increasing standardization and using modular sub-components, the new V45/60CR engine also allows faster installation and easier maintenance.
The new four-stroke unit meets IMO Tier II, while IMO Tier III is met with MAN’s in-house, compact SCR system; the engine is shortly scheduled for approval by all major classification societies.
Cost Benefit
Using marine diesel oil and based on a representative load-profile of a cruise vessel, calculations show that a ship operating with an MAN 45/60CR engine can enjoy a fuel-oil cost benefit of 5 to 12% in comparison with a vessel powered by an equivalent engine from other manufacturers. For a cruise vessel of around 120,000 – 150,000 gross tonnage with 60 – 65 MW of installed power and an assumed fuel price of 500 EUR/t, this translates into annual savings of 0.9 to 2.4m EUR when employing the 45/60CR.
The 45/60CR can also be combined with the innovative MAN ECOMAP 2.0 technology that grants operators the flexibility to run an engine following different SFOC power characteristics, facilitating optimal efficiency at different load points. The latest development with this innovative technology is the integration of the MAN SCR system into ECOMAP, offering even further possibilities to optimize the efficiency of the propulsion system, taking into account fuel and urea prices.
Source: MAN Diesel & Turbo
