Technical Data
MAN marine diesel engines D2868 LE4.. / D2862 LE4..
108
Diese Anleitung vor Beginn aller Arbeiten sorgfältig durchlesen!
Dies gilt insbesondere für das Kapitel Allgemeine Sicherheitshinweise
und die jeweiligen Sicherheitshinweise in den Kapiteln.
11.3.3 V12-1550 (D2862 LE426), V12-1400 (D2862 LE446)
Engine model
V12-1550 (D2862 LE426), V12-1400 (D2862 LE446)
Design
V 90
°
Operating principle
4-stroke diesel
Combustion system
Direct injection
Supercharging
1-stage exhaust turbocharging with intercooling and charge-air
control (Waste Gate)
Number of cylinders
12
Bore
128 mm
Stroke
157 mm
Swept volume
24 243 cc
Compression ratio
17 : 1
Operating mode
Up to 1000 operating hours per year at a maximum of 20 % of
time at full load and an average load of 50 %
Rating
D2862 LE426
1140 kW / 1550 hp at 2300 rpm
D2862 LE446
1029 kW / 1400 hp at 2300 rpm
Max. torque
D2862 LE426
5180 Nm at 1200 - 2100 rpm
D2862 LE446
4680 Nm at 1200 - 2100 rpm
Firing order
1-12-2-11-3-10-6-7-5-8-4-9, cylinder arrangement, see page 111
Valve clearance (cold engine)
Intake
0.50 mm
Exhaust
0.80 mm
Fuel system
High-pressure pump
Bosch CP 3.4
Injection system
Common rail
Governor
Electronic Diesel Control
(EDC) - Type EDC 7 C32
Injectors
8-hole nozzles
Engine lubrication
Forced lubrication
Oil change quantity (with filter)
92 litres
Oil filter
2 oil modules, each with 2 oil coolers and one oil separator
Engine cooling system
Liquid cooling
Coolant capacity
113 litres
Coolant temperature
80-90
°
C, short term 95
°
C permissible
Electrical equipment
Starter
24 V; 7.0 KW
Alternator
28 V; 1x 120A or 2x 120A
