MAN Diesel & Turbo has announced that it has entered a cooperation agreement with JFE, the Japanese engine manufacturer, for its 32/44CR, 35/44DF, 48/60CR and 51/60 DF modern four-stroke engine types.
MAN Diesel said that the agreement applies to marine newbuild projects for ships to be deployed on Japanese domestic trade routes, and where the shipyards and shipowners involved are located in Japan.
The MAN Diesel & Turbo common-rail engines cover a power range of 3600 to 21 600 kW and their fully electronically-controlled, common-rail injection system is suitable for both heavy fuel oil and distillate fuels.
Upon customer request, the common-rail engines can be provided with ECOMAP capability, a feature for the MAN 32/44CR and 48/60CR engines. The flexibility of the CR-system permits the engine to be programmed to follow different SFOC/power characteristics, with each having an optimal efficiency at different load points. As such, the customer is provided with the potential to realise improved fuel economy through changing the engine’s operating profiles. The combination of such CR engines with an intelligent power management system enables the maximal exploitation of the engines’ flexibility potential.
The dual-fuel engines covering the power range of 3180 to 18 000 kW can be operated in the Otto (gas mode) or diesel (diesel mode) cycles from LNG in the former to more traditional HFO, MDO or MGO in the latter mode. Significantly, the dual-fuel engines can switch between these fuels at any engine load between 15% to 100% maximum continuous rating (MCR) without disruption to the power supply. Environmentally friendly operation is achieved in gas mode when using LNG as fuel. Running the engines in gas mode complies with the stringent IMO Tier III levels without the need for any exhaust-gas after-treatment.
Edited from press release by Callum O'Reilly
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