"> MAN Energy Solutions 6L35MC-C8
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MAN Energy Solutions

6L35MC-C8

The MAN 6L35MC-C8 is a six‑cylinder, low‑speed two‑stroke marine diesel engine delivering up to 7 740 kW at 167 rpm, featuring camshaft‑controlled fuel injection and exhaust valve with constant‑pressure turbocharging.

MAN Energy Solutions 6L35MC-C8
7740.0 kW
Power

Engine Specifications

6
Cylinders
350 mm
Bore
1050 mm
Stroke
7,740 kW
MCR Power
167.0 rpm
MCR RPM
2-stroke
Stroke Type
Family: MAN B&W MC/MC-C · Tier: Tier II · Fuel: HFO, VLSFO, MDO

Inspector Detail

▸

Designation decoded

6 Zylinder, L=Long-Stroke (kürzerer Hub), 35=Bohrung 350 mm, MC=mechanisch, C=Compact, 8=Mark 8.

Background

6-Zylinder L-Typ MC-C mit 350 mm Bohrung und 1.050 mm Hub. Hub-Bohrungs-Verhältnis 3.0 — kürzester Hub in der MAN-Palette für diese Bohrung. Für höhere Propellerdrehzahl. Bestandsflotte.

Calculated metrics

Stroke To Bore Ratio
3.0

Inspector checklist

Laufzeug & Tribologie
  • Zylinderlaufbuchsen: Hub-Bohrungs-Verhältnis 3.0 — kurzer Hub für Zweitakter
  • Kolbenringe: Stoßspiele
  • Kreuzkopf: Temperatur
Nockenwellen-Steuerung
  • Nockenwelle: Bei L-Typ höhere Drehzahl
  • Kraftstoffpumpen: Plunger
  • Auslassventil: Mechanisch
Brennstoffsystem
  • Einspritzventile: Düsen
  • Brennstoff-Qualität
Dichtungssysteme
  • Stopfbuchsen: Drainage
  • Auslassventil: Ventilsitz
Turbolader
  • Einzelaggregat, Reinigung

Logbook reference values

Parameter Expected Deviation means
Abgastemperatur nach Zylinder 360-435 °C bei MCR >20 °C Spread
Pmax Gemäß Shop-Test ±3 bar Spread >5 bar
Spülluftdruck 2.0-2.6 bar abs Zu niedrig

Common Failure Modes

Nockenwellen-Verschleiß
Symptoms: Timing-Drift
Causes: Höhere Drehzahl (L-Typ)
Preventive: Nockenprofile bei Docking.
Turbolader-Ausfall
Symptoms: Leistungsverlust
Causes: Verschmutzung
Preventive: Reinigung.

Expert tips

  • 💡 L35MC-C: Hub-Bohrungs-Verhältnis 3.0 ist am unteren Ende für Zweitaktmotoren — weniger effizient als S-Typ, aber Propeller-Matching kann dies erfordern
  • 💡 Kleine MC-C Motoren: Ersatzteile zunehmend knapper — Lagerbestand prüfen

Related components

Nockenwelle Kraftstoffpumpen Turbolader Zylinderschmierung

Classification & regulatory

IMO Tier I/II. EEXI ggf. EPL.

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

Other Cylinder Configurations 50

5L35MC-C8
5 cyl · 6,450 kW
5L42MC-C8
5 cyl · 10,100 kW
5L60MC-C8
5 cyl · 21,000 kW
5L70MC-C8
5 cyl · 31,150 kW
5L80MC-C8
5 cyl · 42,000 kW
5S26MC-C8
5 cyl · 3,700 kW
5S35MC-C8
5 cyl · 7,650 kW
5S42MC-C8
5 cyl · 12,950 kW
5S46MC-C8
5 cyl · 15,500 kW
5S50MC-C8
5 cyl · 18,650 kW
5S60MC-C8
5 cyl · 28,250 kW
5S65MC-C8
5 cyl · 35,000 kW
5S70MC-C8
5 cyl · 40,400 kW
5S80MC-C8
5 cyl · 51,000 kW
5S90MC-C8
5 cyl · 64,350 kW
6K80MC-C8
6 cyl · 43,500 kW
6K90MC-C6
6 cyl · 30,780 kW
6K90MC-C8
6 cyl · 56,700 kW
6K98MC-C8
6 cyl · 85,020 kW
6L42MC-C8
6 cyl · 12,120 kW
6L60MC-C8
6 cyl · 25,200 kW
6L70MC-C8
6 cyl · 37,380 kW
6L80MC-C8
6 cyl · 50,400 kW
6S26MC-C8
6 cyl · 4,440 kW
6S35MC-C8
6 cyl · 9,180 kW
6S42MC-C8
6 cyl · 15,540 kW
6S46MC-C8
6 cyl · 18,600 kW
6S50MC-C8
6 cyl · 22,380 kW
6S50MC-C8.2
6 cyl · 9,960 kW
6S60MC-C8
6 cyl · 33,900 kW
6S65MC-C8
6 cyl · 42,000 kW
6S65MC-C8.2
6 cyl · 16,440 kW
6S70MC-C8
6 cyl · 48,480 kW
6S80MC-C8
6 cyl · 61,200 kW
6S90MC-C8
6 cyl · 77,220 kW
7K80MC-C6
7 cyl · 28,980 kW
7K80MC-C8
7 cyl · 50,750 kW
7K90MC-C8
7 cyl · 66,150 kW
7K98MC-C7.1
7 cyl · 40,040 kW
7K98MC-C8
7 cyl · 99,190 kW
7L35MC-C8
7 cyl · 9,030 kW
7L42MC-C8
7 cyl · 14,140 kW
7L60MC-C8
7 cyl · 29,400 kW
7L70MC-C8
7 cyl · 43,610 kW
7L80MC-C8
7 cyl · 58,800 kW
7S35MC-C8
7 cyl · 10,710 kW
7S42MC-C8
7 cyl · 18,130 kW
7S46MC-C8
7 cyl · 21,700 kW
7S50MC-C8
7 cyl · 26,110 kW
7S60MC-C8
7 cyl · 39,550 kW

Components & Design

Component data being added…

Technical Data

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Manuals

  • operating
    MAN B&W MC/MC-C Engine Operating Manual (OM-MC-C)
  • maintenance
    MAN B&W MC/MC-C Maintenance Manual (MM-MC-C)
  • spare_parts
    MAN B&W MC/MC-C Illustrated Parts Catalogue (IPC-MC-C)
  • project_guide
    MAN B&W Project Guide MC/MC-C (PG-MC-C)
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Equipment Model #38205 · ✓ still in production