Main Engine 4-Stroke · Main Engines (4-Stroke)
The MAN 6LL32/44CR is a six‑cylinder inline medium‑speed diesel main engine delivering up to 3 360 kW at 750 rpm, featuring high‑pressure common‑rail fuel injection and compliance with IMO Tier II emissions.
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| oil_change | every 1000-1500 hours |
|---|---|
| fuel_filter_change | every 250-500 hours |
| air_filter_change | every 500-1000 hours |
| coolant_change | every 2000-3000 hours |
| cylinder_liner | 0.5-1.0 mm wear limit |
|---|---|
| piston_ring | 0.5-1.0 mm wear limit |
| exhaust_valve | 0.5-1.0 mm wear limit |
| fuel_injector | 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 MAN Energy Solutions maintenance and inspection recommendations, as well as verification of critical spare parts and service intervals
Estimated lifetime: 20000-30000 hours before major overhaul
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