Main Engine 4-Stroke · Main Engines (4-Stroke)
The MAN 18VV32/40 is an 18‑cylinder V‑type medium‑speed four‑stroke diesel engine delivering up to 9 MW (≈12 000 hp) at 750 rpm, featuring common‑rail fuel injection and two‑stage intercooling for high efficiency.
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| oil_change | 1000-1500 hours |
|---|---|
| fuel_filter_change | 500-1000 hours |
| air_filter_change | 1000-2000 hours |
| coolant_change | 2000-5000 hours |
| major_overhaul | 30000-50000 hours |
| cylinder_liner | 0.5-1.0 mm wear on liner diameter |
|---|---|
| piston_ring | 0.5-1.0 mm wear on ring diameter |
| exhaust_valve | 0.5-1.0 mm wear on valve seat |
| engine_bearing | 0.1-0.5 mm wear on bearing diameter |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
The class surveyor will typically check the engine's condition, including cylinder liners, piston rings, and exhaust valves, as well as the fuel and lubrication systems, to ensure compliance with regulatory requirements and manufacturer recommendations.
Estimated lifetime: 40000-60000 hours
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