Main Engine 4-Stroke · Main Engines (4-Stroke)
The Hanshin 8LLH41L is an 8‑cylinder, inline 4‑stroke marine diesel engine delivering about 5 960 kW at 525 rpm, designed for mid‑speed propulsion with dual‑fuel capability (HFO/MGO).
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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 |
| main_bearing_overhaul | 20000-30000 hours |
| cylinder_liner | 0.5-1.0 mm wear limit |
|---|---|
| piston_ring | 0.5-1.0 mm wear limit |
| main_bearing | 0.1-0.5 mm wear limit |
| crankshaft | 0.1-0.5 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 equipment and procedures
Estimated lifetime: 30000-40000 hours
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