Main Engine 4-Stroke · Main Engines (4-Stroke)
The Pielstick 18VPC4.2B is an 18‑cylinder V‑type, mechanically injected medium‑speed diesel engine delivering roughly 27 MW (≈36,200 hp) for main propulsion of large ocean‑going vessels.
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| oil_change | 1000-1500 hours |
|---|---|
| fuel_filter_change | 500-1000 hours |
| air_filter_change | 1000-2000 hours |
| cylinder_liner_overhaul | 12000-18000 hours |
| major_overhaul | 30000-40000 hours |
| cylinder_liner | 0.5-1.0 mm wear limit |
|---|---|
| piston_ring | 0.2-0.5 mm wear limit |
| main_bearing | 0.1-0.2 mm wear limit |
| crankshaft | 0.1-0.2 mm deflection limit |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Class surveyor typically checks for compliance with classification society rules and regulations, including verification of maintenance records, inspection of critical components, and review of safety procedures and protocols
Estimated lifetime: 30000-40000 hours
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