Main Engine 2-Stroke · Main Engines (2-Stroke)
The MAN 5S90ME-C9.6 is a five‑cylinder, low‑speed two‑stroke main engine delivering up to 64 MW at 76 rpm, featuring hydraulic valve train and electronic control for high efficiency and Tier III emissions compliance.
5 = Zylinderzahl, S = Super Long Stroke, 90 = Bohrung 900 mm, ME-C = MAN Electronically controlled Mark C, 9.6 = Mark 9.6 Steuerungsgeneration.
Die S90ME-C mit 3260mm Hub (S/B=3.62) ist die Super-Long-Stroke-Variante der 90er-Plattform. Niedrigstes S/B-Verhaeltnis in der ME-C-Serie. 5 Zylinder bei 900mm ist extrem selten.
| Parameter | Expected | Deviation means |
|---|---|---|
| Abgastemperatur | 320-420 Grad C | >25 Grad C Spread |
| Spuelluftdruck | 2.8-4.0 bar | TC |
| Zylindeloelverbrauch | 0.7-1.2 g/kWh | BN |
| OMD | <2.5% LEL | Stopfbuchse |
Symptoms: Wear 900mm
Causes: Separator
Preventive: <15 ppm.
Symptoms: Wear
Causes: BN
Preventive: BN anpassen.
IMO Tier II. ECA: VLSFO/Scrubber.
Reference content for inspector orientation. Always verify against manufacturer's manual, latest service letters and class society requirements.
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