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MAN L21/31

Auxiliary Engine (Generator Set) · Auxiliary Engines

Data sheet on file · key figures checked
5L, 6L, 7L, 8L, 9LCylinders
210 mmBore
310 mmStroke
750-1,980 kW (5-9L)Capacity
HFO / VLSFO / MGOMedium
Specifications

Technical data.verified

Every value below comes from the manufacturer datasheet or class-society record on file for this model.

Swept volume per cylinder10.74 L / 10.7 dm³
Compression ratio15.5:1
Maximum combustion pressure200 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 cylinder220 kW
Stroke/Bore ratio1.48:1
Turbocharging systemMAN TCR constant pressure mit Jet Assist und Interkühlung
Power-to-weight ratio18.4-22.5 kg/kW
Emission complianceIMO Tier II + IMO Tier III (mit MAN SCR)
Type4-Stroke Medium-Speed Auxiliary Engine
Sfoc g (kWh)192
TierIMO Tier II
Drive TypeGenerator Drive
ConstructionTrunk piston, inline
Related models

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Service

Service notes.

What our service work and the manufacturer documentation say about keeping this model running.

Service notes

Standard MAN 4-Stroke intervals.

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