9L21/31
Engine design · 30 recorded vessels carry this engine.
Design fleet across 2 catalogue entries and builders. Includes all recorded vessels; the emissions ranking uses only qualifying MRV-reporting main-engine installations.
Recorded installed power: 1,835–11,610 kW. Power available for 17 of 30 vessels; RPM for 17. Reported ranges may contain source inconsistencies and are not certified design limits.
Top recorded vessel types
- General Cargo Ship12
- Container Ship6
- Offshore Vessel5
- Ro Ro Cargo Ship4
- Other1
- Service Ship1
Top recorded sailing areas
- North Sea / Atlantic7
- East Mediterranean & Black Sea6
- South Asia3
- North Pacific2
- North Asia (Japan, Korea)2
- West Africa1
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