MAN Diesel Tailors Engines For Chinese Market

MAN Diesel has developed two new engine variants targeted at the Chinese coast and river market segment, representing some of the world’s busiest shipping lanes. The new S35MC-C9 and the S40MC-C9 variants are based on MAN Diesel’s existing range of mechanically-operated, two-stroke, low speed engines.

The optimal ship size for this Chinese segment ranges from 10-20,000 dwt with a propulsion plant that generates between 5-8,000 kW at an approximate engine speed of 140 r/min. 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 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 142 and136 r/min respectively for the S35MC-C9 and the S40MC-C9 engines. Similarly, these engines display mean effective pressures of 21 and 21.4 bar respectively.

The new MC-C9 engines offer optimal engine performance in an economic, lightweight design. The engines are designed to meet the market requirements for: fuel economy, higher power reliability, longer time between intervals, lower propeller speed, better manoeuvrability, low lifecycle costs.

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