Main Engine 2-Stroke · Main Engines (2-Stroke)
The Doosan S70ME-C8.5 is a low‑speed, two‑stroke main propulsion engine with a 700 mm bore and 3.256 m stroke, delivering about 8.5 MW at 91 rpm; its defining feature is the ME‑C electronically controlled fuel system (MAN licence).
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| oil_change | 1000-1500 hours |
|---|---|
| fuel_filter_change | 500-1000 hours |
| air_filter_change | 1000-2000 hours |
| cylinder_liner_overhaul | 15000-20000 hours |
| piston_and_ring_overhaul | 20000-25000 hours |
| cylinder_liner | 0.5-1.0 mm wear limit |
|---|---|
| piston_ring | 0.5-1.5 mm wear limit |
| crankpin_bearing | 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 classification society rules and regulations, including verification of engine performance, emissions, and safety equipment
Estimated lifetime: 30000-40000 hours
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