OceanSphereFree accountLog inDEENPL
OceanSphereENGINES
Request a part
Library› Engine Room› Main Engines (2-Stroke)› Main Engine 2-Stroke› MAN Energy Solutions 7S65ME-C9.6
MAN Energy Solutions

7S65ME-C9.6

Main Engine 2-Stroke · Main Engines (2-Stroke)

Technical data from manufacturer or class sources · not yet verified by a person
49,000 kWPower
7Cylinders
650 mmBore
2,730 mmStroke
95 rpmMCR RPM

The MAN 7S65ME-C9.6 is a low‑speed, 7‑cylinder two‑stroke marine diesel engine delivering up to 49 MW at 95 rpm, distinguished by its hydraulic camshaft system and advanced electronic control for high fuel efficiency and Tier III NOx compliance.

Inspection

Inspector Detail ✓ verified

Designation decoded

7 = Zylinderzahl, S = Super-Long-Stroke, 65 = Bohrung 650 mm, ME = elektronisch gesteuert, C = Compact, 9.6 = Engine Mark.

Background

Die 7S65ME-C mit 2730 mm Hub (Ratio 4.2) und 7 Zylindern. Super-Long-Stroke-Variante der 65er-Klasse. Höhere Drehzahl als G65 bei gutem Massenausgleich.

Calculated metrics

Stroke to bore ratio4.2

Inspector checklist

Brennstoffsystem
  • 7 Injektoren: Cat-Fines
  • Fuel-System
  • ME Timing
Laufzeug & Tribologie
  • Ratio 4.2: Moderate bis hohe Seitenkräfte
  • Laufbuchsen: Verschleiß
  • Zylinderöl: BN
Steuerung & Hydraulik
  • 7 HCUs
  • EICU
  • Hydrauliköl
Abgassystem
  • TC (2x)
  • Abgaskessel
  • Spülluft-Receiver
Dichtungen
  • 7 Stopfbuchsen
  • Abgasventile
  • Spülluft-Klappen

Logbook reference values

ParameterExpectedDeviation means
Abgastemperatur nach Zylinder320-390 °C>25 °C → Einspritzung
P-max±5 barTiming
Spülluftdruck2.3-3.3 barTC
Zylinderöl-Feed-Rate0.7-1.1 g/kWhFuel-abhängig
Hydrauliköl-Druck200-300 barHCU

Common Failure Modes

  • Cat-Fine-Schäden

    Symptoms: Verschleiß

    Causes: Cat-Fines

    Preventive: Separator

  • Cold Corrosion

    Symptoms: Liner-Verschleiß

    Causes: BN niedrig

    Preventive: BN anpassen

  • Zylinderbalance

    Symptoms: Temperatur-Spreizung

    Causes: Ungleicher Verschleiß

    Preventive: Performance-Monitoring

Expert tips

  • 65er Bore Ersatzteile: Lieferzeiten und Verfügbarkeit prüfen.
  • 7S65 mit Ratio 4.2 und 7 Zylindern: Ausgewogene Konfiguration.
  • TC-Matching bei S65 höherer Drehzahl prüfen.

Related components

  • Turbolader (2x)
  • Separator
  • Alpha Lubricator
  • Fuel-System
  • Ladeluftkühler

Classification & regulatory

IMO Tier II/III. MARPOL Annex VI.

Reference content for inspector orientation. Always verify against manufacturer's manual, latest service letters and class society requirements.

Documentation

Manuals

Need this part?

Request a quote for this model.

Free of charge — send us your request for MAN Energy Solutions equipment. Our team checks it and replies by e-mail.

Makers and authorised dealers rarely quote marine equipment without the vessel. With these details we can check availability and prices faster; without them we may have to ask first, which can cost a few days. If you cannot share the vessel, a photo of the equipment’s rating plate does the same job — attach it below or send it as a reply to our confirmation e-mail.

Your contact details are not published. No account required.
Related models

Also in Main Engine 2-Stroke.

Other models of the same equipment type, MAN Energy Solutions first.

MAN Energy Solutions
10G50ME-C9.6
MAN Energy Solutions
10G50ME-C9.6-GI
MAN Energy Solutions
10G80ME-C9.5
MAN Energy Solutions
10G80ME-C9.5-GA
MAN Energy Solutions
10G80ME-C9.5-GI
MAN Energy Solutions
10G80ME-C9.5-LGI
MAN Energy Solutions
10G90ME-C10.5
MAN Energy Solutions
10G95ME-C10.5
MAN Energy Solutions
10G95ME-C10.5-GI
MAN Energy Solutions
10G95ME-C10.5-LGI
By manufacturer MAN Energy SolutionsWinGDSulzerWärtsiläMitsubishiElectro-Motive DieselHyundaiDoosanHudong-ZhonghuaJapan EngineAkasaka Diesel (Mitsubishi UEC licensed)National Railway EquipmentHSD EngineKawasakiProgress Rail Locomotive, Inc.All manufacturersSpare parts by equipmentNew here? Create a free account Can't read the plate? Try the nameplate scanner All MAN Energy Solutions models More like 7S65ME-C9.6
Would you like to know more?

A person reads every request and replies by e-mail.

Tell us what you need for this MAN Energy Solutions 7S65ME-C9.6 — a part, a service call, a second opinion. Are you MAN Energy Solutions? Claim this brand page.

Request a part for this modelRequest service

Service engineer? Write the day report for this 7S65ME-C9.6 in OceanSphere Work — photos, hours and parts, as a PDF for the owner. Try it free for 14 days →

Frequently asked

Three things people ask first.

Is this model's data free?

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.

Can you find a part for this exact model?

Yes. Tell us the manufacturer, the model and what you need — a person reads every request and replies by e-mail.

The specifications look wrong — what now?

Send us the nameplate or the correct value. We check it against the manufacturer datasheet or class-society record and update the page.