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MTU
20V4000 M05-N
The MTU 20V4000 M05‑N is a 20‑cylinder V‑type, four‑stroke marine diesel engine with dual‑fuel capability (LNG spark‑ignited and MDO), delivering up to ~3 100 kW at 1 800 rpm.
3100.0 kW
Power
Engine Specifications
20
Cylinders
165 mm
Bore
190 mm
Stroke
4-stroke
Stroke Type
Components & Design
Component data being added…
Technical Data
Bohrung
165-170 mm je Variante
Hub
190-210 mm je Variante
Leistungsbereich
746-4300 kW
Drehzahl
1600-2100 rpm
Zylinder pro Motor
8/12/16/20 cylinders
Hubraum
32-86 Liter je Konfiguration
Bremsleistung M90
2040 kW (12V), 2720 kW (16V)
Bremsleistung M73
1920 kW (12V), 2560 kW (16V), 3200-3600 kW (20V)
Bremsleistung M93
1680 kW (12V), 2240 kW (16V), 2800-3150 kW (20V)
Bremsleistung M63
1840-2080 kW (16V)
Trockengewicht 12V M93
8410 kg
Trockengewicht 16V M93
9600 kg
Trockengewicht 20V M73
12080 kg
Spezifischer Verbrauch M60
185 g/kWh
Spezifischer Verbrauch M63
195-203 g/kWh
Spezifischer Verbrauch M73
213-216 g/kWh
Spezifischer Verbrauch M93
224-230 g/kWh
Einspritzsystem
Common Rail, elektronisch gesteuert
Ventile pro Zylinder
4 valves per cylinder
Turboaufladung
Sequentielle Turboaufladung mit 2 wassergekuehlten Turboladern
Emissionen
IMO Tier II, EPA-konform, M05 mit SCR (IMO III, EPA Tier 4)
Treibstoff
Marinediesel ISO 8217
power kw
3100
rpm
1800
fuel type
LNG (Spark-Ignited)
configuration
V
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Common failures & inspection points
Raw water pump seals: Leaking raw water pumps lead to saltwater corrosion; leaking water can clog the seal bore and enter the bearing oil
Turbocharger failures: Approximately 90% of turbocharger failures are caused by lubrication problems (oil throttling, contaminated oil, incorrect viscosity)
Fuel contamination: Water in fuel, fouling and biological growth damage high-pressure common-rail injection systems (>2,000 bar)
Water-cooled exhaust elbows: Internal corrosion and blockage of flow passages by corrosion products
Cooling system neglect: Fouled heat exchangers, detached sacrificial anodes (zinc), weak impellers lead to overheat events and cavitation
Type-general inspection and maintenance points for this equipment category — not model-specific.
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Equipment Model #124085
· ✓ still in production