MAN Energy Solutions
7L21/31-GS-60Hz
MAN Energy Solutions L 21/31 — Viertakt-Marinediesel, Bohrung 210 x Hub 310 mm, 900 / 1000 rpm, 950-1980 kW (GenSets 900/1000 rpm); 1290-1935 kW (Propulsion). Brennstoff: Heavy Fuel Oil (HFO), Marine Gas Oil (MGO), Marine Diesel Oil (MDO), Biofuels, Methanol (DF-M Variante). Status: Active production (Mk2 und DF-M Varianten mit Methanol-Retrofit ab 2025); Legacy Engines im Betrieb - über 290 Millionen Betriebsstunden kumulativ mit L27/38. Verifiziert, Datenblatt verlinkt.
1400.0 kW
Power
Engine Specifications
7
Cylinders
210 mm
Bore
310 mm
Stroke
4-stroke
Stroke Type
🔧 Komponenten & Aufbau
Component data being added…
📊 Technische Daten
power kw
1400
rpm
900
fuel type
HFO/MDO
configuration
L
genset kw
1330
genset kva
1662
frequency hz
60
confidence
0.85
needs verification
False
catalog added at
2026-05-22T23:48:32
verified specs
{'Swept volume per cylinder': '10.74 L / 10.7 dm³', 'Compression ratio': '15.5:1', 'Maximum combustion pressure': '200 bar', 'Specific Fuel Oil Consumption (SFOC)': '183-192 g/kWh (genauere Werte: 183 g/kWh bei 85% Last, 180 g/kWh Part-Load optimiert, 189-192 g/kWh je nach Konfiguration)', 'Specific lubrication oil consumption': '<0.8 g/kWh', 'Power per cylinder': '220 kW', 'Stroke/Bore ratio': '1.48:1', 'Turbocharging system': 'MAN TCR constant pressure mit Jet Assist und Interkühlung', 'Power-to-weight ratio': '18.4-22.5 kg/kW', 'Emission compliance': 'IMO Tier II + IMO Tier III (mit MAN SCR)'}
bore mm v
210
stroke mm v
310
rpm v
900 / 1000
fuel v
Heavy Fuel Oil (HFO), Marine Gas Oil (MGO), Marine Diesel Oil (MDO), Biofuels, Methanol (DF-M Variante)
status v
Active production (Mk2 und DF-M Varianten mit Methanol-Retrofit ab 2025); Legacy Engines im Betrieb - über 290 Millionen Betriebsstunden kumulativ mit L27/38
datasheet url
https://www.man-es.com/docs/default-source/document-sync-archive/man-l21-31-mk2-eng.pdf
sources
['https://www.man-es.com/docs/default-source/document-sync-archive/man-l21-31-mk2-eng.pdf', 'https://marine.man-es.com/four-stroke/engines/l21-31/profile', 'https://man-es.com/applications/projectguides/4stroke/manualcontent/Mobile/PG_M-II_L2131.pdf', 'https://www.manualslib.com/products/Man-L21-31-10451244.html', 'https://www.man-es.com/marine/campaigns/man-l21-31-27-38df-m', 'https://pdfcoffee.com/man-b-w-project-guide-l21-31-pdf-free.html']
⚠️ Typische Ausfälle
- ● _hinweis
- ● items
📦 Verschleißteile
Spare parts data being added…
Equipment-Model #124431
· ✓ still in production