MAN Energy Solutions
MAN 21/31
MAN 21/31 medium-speed diesel engine used mainly for marine auxiliary and propulsion duties.
Per Hersteller-Datenblatt
Capacity
HFO/MDO
Medium
Engine Specifications
5L-9L
Cylinders
210 mm
Bore
310 mm
Stroke
4-stroke
Stroke Type
🔧 Komponenten & Aufbau
Component data being added…
📊 Technische Daten
rpm
900/1000
available as genset
True
genset source ids
[36888, 36889, 36886, 36887]
⚠️ Typische Ausfälle
- ● Injector nozzle coking
- ● Exhaust valve wear
- ● Starting air valve leakage
- ● Charge air cooler fouling
🔍 Service & Wartung
Scheduled overhaul includes injectors, valve gear, cylinder head inspection and bearing checks according to MAN schedule.
📦 Verschleißteile
Spare parts data being added…
Common spares: injectors, exhaust valves, starting air valves, head gaskets, filter elements and bearing shells.
Equipment-Model #36807
· ✓ still in production