MAN Energy Solutions
MAN L48/60CR
Der MAN L/V48/60CR ist MANs leistungsstärkster 4-Takt-Hauptmotor für diesel-mechanische und diesel-elektrische Antriebe auf großen Fähren, Kreuzfahrtschiffen und Offshore-Einheiten. Bis 18V: ~14.4 MW pro Motor.
7,200-14,400 kW (6-9L, 12-18V)
Kapazität
HFO / VLSFO / MGO
Medium
Engine Specifications
6L, 7L, 8L, 9L, 12V, 14V, 16V, 18V
Zylinder
480 mm
Bohrung
600 mm
Hub
27.6 bar
MEP
🔧 Komponenten & Aufbau 3
Fuel Pump (Jerk-Type / Common Rail)
MAN Energy Solutions / L'Orange
L48/60CR Common Rail HP Pump
common failures:
['HP pump plunger/barrel wear', 'Fuel leakage at HP connections', 'Drive coupling fatigue failure', 'Suction valve malfunction']
source family:
L48/60CR
💡 Common rail pressure up to 1800 bar. HP pump overhaul at 16,000 hrs. Monitor pump delivery pressure.
Lead time: 10 Wo.
Fuel Valve (Injector Nozzle)
MAN Energy Solutions / L'Orange
L48/60CR Common Rail Injector
common failures:
['Nozzle tip erosion/cavitation', 'Needle valve seat wear', 'Control valve stiction', 'Spring fatigue']
source family:
L48/60CR
💡 Electronically controlled common rail injector. Overhaul at 8,000-12,000 hrs. Nozzle replacement at overhaul.
Lead time: 6 Wo.
Governor (Electronic/Woodward)
Woodward / MAN
L48/60CR Electronic Speed Governor
common failures:
['Speed hunting at low load', 'Actuator position feedback failure', 'PID parameter drift after software update']
source family:
L48/60CR
💡 Integrated with engine management system. Electronic governor controls injection timing and fuel quantity via CR system.
Lead time: 4 Wo.
📊 Technische Daten
type
4-Stroke Medium-Speed Trunk Piston Engine (Common Rail)
rpm range
[500, 514]
power range kw
[7200, 14400]
sfoc g kwh
172
tier
IMO Tier II/III
variant count approx
8
period start year
2010
period end year
None
drive type
Gearbox + CPP or Generator
construction
Trunk piston, inline or V, CR
⚠️ Typische Ausfälle
- ● CR injector issues
- ● Piston crown thermal cracking bei Dauerlast
- ● Turbocharger failures
- ● Main bearing overheating
🔍 Service & Wartung
Standard MAN 4-Stroke CR intervals.
📦 Verschleißteile
Verschleißteile-Daten werden ergänzt…
MAN PrimeServ.
Equipment-Model #38023
· ✓ noch in Produktion