MAN Diesel has developed two new engine variants targeted at the Chinese coast and river segment that represents some of the world's busiest shipping lanes.
The new S35MC-C9 and S40MC-C9 variants are based on the experience gathered from MAN Diesel's existing range of two-stroke, low-speed engines.
The optimal ship size for this Chinese segment ranges from 10,000DWT to 20,000DWT with a propulsion plant that generates between 5,000kW and 8,000kW at an approximate engine speed of 140rpm.
The MC-C9 design represents an upgrade on previous marks and offers improved operational economy, flexibility and manoeuvrability.
For ease of installation, MAN Diesel also provides the engines with a built-on lube oil filter.
The new MC-C9 variants have a stroke-bore ratio of 4.4:1 to facilitate the low propeller speed that translates into 142rpm and 136rpm respectively for the S35MC-C9 and S40MC-C9 engines.
Similarly, the S35MC-C9 and S40MC-C9 engines display mean effective pressures of 21 and 21.4 bar respectively.
The new MC-C9 engines offer optimal engine performance in a powerful, economic, weight-saving and future-oriented diesel engine design, ensuring that they will remain market leaders for decades to come. Based on diesel technology that has been well-proven over many years, the engines are tailored to meet the market requirements for:
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