Main Engine 4-Stroke · Main Engines (4-Stroke)
The MAN 8LL28/32S is an eight‑cylinder, medium‑speed (720–775 rpm) four‑stroke diesel main engine delivering about 1 960 kW, designed for flexible fuel use (MGO/HFO) and equipped with a constant‑pressure turbocharger with intercooling.
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| oil_change | 400-600 hours |
|---|---|
| fuel_filter_change | 1000-1500 hours |
| air_filter_change | 500-1000 hours |
| coolant_change | 2000-3000 hours |
| major_overhaul | 20000-30000 hours |
| cylinder_liner | 0.5-1.0 mm wear limit |
|---|---|
| piston_ring | 0.5-1.0 mm wear limit |
| crankshaft_bearing | 0.1-0.5 mm wear limit |
| valve_seat | 0.1-0.5 mm wear 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 Tier II or Tier III emissions regulations, as well as verification of engine performance and efficiency
Estimated lifetime: 30000-40000 hours
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