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8G65ME-C9.6

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

Technical data from manufacturer or class sources · not yet verified by a person
46,960 kWPower
8Cylinders
650 mmBore
3,020 mmStroke
95 rpmMCR RPM

The MAN 8G65ME-C9.6 is an 8‑cylinder, low‑speed two‑stroke main propulsion engine delivering 46,960 kW at 95 rpm, distinguished by its hydraulic power supply and advanced electronic control for high efficiency and Tier III NOx compliance.

Inspection

Inspector Detail

Designation decoded

8 = Zylinderzahl, G = Green Ultra Long Stroke, 65 = Bohrung 650 mm, ME-C = MAN Electronically controlled Mark C, 9.6 = Mark 9.6 Steuerungsgeneration.

Background

Die 8G65ME-C mit 3020mm Hub (S/B=4.65) und 8 Zylindern. Maximum-Konfiguration der Nischen-65er-Plattform.

Calculated metrics

Stroke to bore ratio4.65

Inspector checklist

Kraftstoffsystem
  • Spray-Pattern 650mm
  • Cat-Fines: <15 ppm
  • VLSFO
Laufzeug und Tribologie
  • Laufbuchsen 650mm: Wear, BN
  • Kreuzkopf: S/B=4.65, 3020mm Hub, 8 LI
  • Stopfbuchse: 8 Drainage
ME-Steuerung
  • HPS: 8 FIVA
  • Mark 9.6
  • CCU
Turbolader
  • Lagerspiel, Reinigung

Logbook reference values

ParameterExpectedDeviation means
Abgastemperatur320-420 Grad C>25 Grad C Spread
Spuelluftdruck2.0-3.5 barTC
Zylindeloelverbrauch0.7-1.2 g/kWhBN
OMD<2.5% LELStopfbuchse

Common Failure Modes

  • Cat-Fines

    Symptoms: Wear

    Causes: Separator

    Preventive: <15 ppm.

  • Kreuzkopf

    Symptoms: LI

    Causes: S/B=4.65

    Preventive: LI alle 8000 Bh.

Expert tips

  • G65 Nische: Weniger Erfahrungsdaten, Service-Letters beachten.
  • 8 Zylinder: Exzellenter Massenausgleich.

Related components

  • Turbolader
  • Spuelluftkuehler
  • Separatoren
  • Alpha Lubricator (8)
  • HPS

Classification & regulatory

IMO Tier II. ECA: VLSFO/Scrubber.

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

Documentation

Manuals

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