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MTU
16V8000 M71
The MTU 16V8000 M71 is a high‑speed V‑16, four‑stroke marine diesel engine delivering around 6.6–7.3 MW at 1 150 rpm, noted for its compact size and low specific fuel consumption.
6640.0 kW
Power
Engine Specifications
16
Cylinders
265 mm
Bore
315 mm
Stroke
4-stroke
Stroke Type
Components & Design
Component data being added…
Technical Data
Hubraum (20V)
347,4 Liter (21.200 cu in)
Hubraum (16V)
278 Liter (16.964 cu in)
Trockengewicht (20V M71/71L)
45.300 kg (98.870 lbs)
Nassgewicht (20V M71/71L)
47.665 kg (105.080 lbs)
Trockengewicht (16V)
42.000 kg (92.594 lbs)
Spez. Verbrauch M71
189-190 g/kWh @ Nennleistung
Spez. Verbrauch M91L
199 g/kWh (±5% per ISO 3046) @ Nennleistung
Abmessungen (20V)
6645 x 2040 x 3375 mm
Abmessungen (16V)
5698 x 2040 x 3375 mm
Leistung 20V M71
8.200 kW @ 1.150 rpm (Dauerlast)
Leistung 20V M90
9.000 kW @ 1.150 rpm
Leistung 20V M91L
10.000 kW @ 1.150 rpm (ICFN-rated)
Leistung 16V M71L
7.280 kW @ 1.150 rpm (ICFN-rated)
Leistung 16V M91L
8.000 kW @ 1.150 rpm (ICFN-rated)
Time Between Overhauls (TBO)
up to 96,000 operating hours
Schmieröl-Verbrauch
0,25% des Kraftstoffverbrauchs
Turbolader-Typ
Sequential (zweistufig, schaltbar), elektronisch gesteuert
Einspritzanlage
Common-Rail (elektronisch gesteuert), mit Zylinderschnellabschaltung
Zertifizierungen
ABS Naval Vessel Rules (NVR) - 1.500h Test @ 110% Nennleistung (2013); IMO TIER III (mit SCR)
power kw
6640
rpm
1150
fuel type
MDO
configuration
V
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Common failures & inspection points
Turbocharger wear due to contamination and lubricant problems: turbocharger blade erosion, turbine casing cracks, stuck variable geometry mechanism
Kühlmittel-Kompatibilität kritisch: Nur wasserlösliche Korrosionsinhibitoren erlaubt; Korrosions-Antifrostmittel VERBOTEN für Series 8000. Fehlerhafte Additive
Fuel high-pressure system failure risk: lack of oil changes destroys high-pressure pump bearings; fuel pressure loss due to injector system wear leads to
Oil cooler and gasketing leakage: worn seals on oil cooler and leaks at pumps endanger lubricating oil (contamination). Corrosion due to sa
Intake air filter system clogging: salt spray and dust particles reduce turbocharger efficiency; MTU specifies max. 25 inches water column intake pressure. Dirt
Type-general inspection and maintenance points for this equipment category — not model-specific.
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Maritime Network →Manuals
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- project_guide
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Equipment Model #123548
· ✓ still in production