Main Engine 2-Stroke · Main Engines (2-Stroke)
The MAN 7S90ME-C10.5 is a low‑speed, 2‑stroke marine diesel main engine delivering 41 300 kW at 84 rpm, distinguished by its hydraulic camshaft system and advanced electronic control for lower specific fuel consumption.
7 = Zylinderzahl, S = Super-Long-Stroke, 90 = Bohrung 900 mm, ME = elektronisch gesteuert, C = Compact, 10.5 = Engine Mark (neueste Generation — höchste spezifische Leistung im ME-C-Programm).
Die 7S90ME-C10.5 ist die allerneueste Mark-Version des Großmotors. Mark 10.5 bietet die höchste spezifische Leistung und den neuesten EICU-Stand. MEP 21 bar bei 900 mm Bore — Spitzenleistung. Für die größten VLCCs und ULCVs. Mark 10.5 ist 2025/2026 die modernste verfügbare Konfiguration.
| Parameter | Expected | Deviation means |
|---|---|---|
| Abgastemperatur nach Zylinder | 305-365 °C | >20 °C → sofort Einspritzung |
| P-max | ±5 bar (Mark 10.5) | Timing |
| MEP | ~21 bar | Abweichung → Leistung |
| Kurbelwellen-Deflection | gemäß MAN S90 7-Zyl Mark 10.5 | Überschreitung → Klasse |
| Systemöl-Flammpunkt | >200 °C | Degradation |
Symptoms: Teuerster Schadensfall (>100k € pro Liner)
Causes: Cat-Fines
Preventive: Separator maximal; Fuel-Analyse bei jedem Bunker
Symptoms: Software-Anomalien, Sensor-Kalibrierung
Causes: Neueste Mark, begrenzte Flottenerfahrung
Preventive: EICU-Alarm-Log sorgfältig auswerten; MAN-Support bei Anomalien
Symptoms: Deflection
Causes: Großmotor, Beladung
Preventive: Engmaschig messen; NDT
IMO Tier III (Mark 10.5 Neubau). MARPOL Annex VI. EEDI Phase 3 / EEXI. CII-Rating maximal optimiert für neueste Bauzeit.
Reference content for inspector orientation. Always verify against manufacturer's manual, latest service letters and class society requirements.
Free of charge — send us your request for MAN Energy Solutions equipment. Our team checks it and replies by e-mail.
Other models of the same equipment type, MAN Energy Solutions first.
Tell us what you need for this MAN Energy Solutions 7S90ME-C10.5 — a part, a service call, a second opinion. Are you MAN Energy Solutions? Claim this brand page.
Service engineer? Write the day report for this 7S90ME-C10.5 in OceanSphere Work — photos, hours and parts, as a PDF for the owner. Try it free for 14 days →
Yes. Specifications, documents and service notes for this model are readable without an account. An account adds saved searches and requests, nothing is taken away.
Yes. Tell us the manufacturer, the model and what you need — a person reads every request and replies by e-mail.
Send us the nameplate or the correct value. We check it against the manufacturer datasheet or class-society record and update the page.