Main Engine 4-Stroke · Main Engines (4-Stroke)
The HiMSEN 14H46DF is a 14‑cylinder inline four‑stroke main engine delivering 16 030 kW at 500 rpm, featuring dual‑fuel capability (LNG or HFO) for flexible operation and reduced emissions.
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| oil_change | 1000-1500 hours |
|---|---|
| fuel_filter_replacement | 500-750 hours |
| air_filter_replacement | 1000-1500 hours |
| cylinder_liner_overhaul | 12000-15000 hours |
| piston_and_ring_overhaul | 15000-20000 hours |
| cylinder_liner | 0.5-1.0 mm wear limit |
|---|---|
| piston_ring | 0.5-1.0 mm wear limit |
| exhaust_valve_seat | 0.5-1.5 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 classification society rules and regulations, including fuel gas system safety, HFO fuel system contamination, and cylinder condition
Estimated lifetime: 30000-40000 hours
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