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General conditions (for maximum power)
ID
1
2
Intake depression (new filter)
A
mbar
27
38
Intake depression, max.
L
mbar
42
53
Model related data (basic design)
ID
1
2
Cylinder arrangement: V angle
Degrees
(°)
90
90
Bore
mm
170
170
Stroke
mm
190
190
Cylinder displacement
Liters
4.31
4.31
Total displacement
Liters
68.96
68.96
Number of inlet valves per cylinder
2
2
Number of exhaust valves per cylinder
2
2
Raw-water circuit (open circuit)
ID
1
2
Raw water pump: Inlet pressure, min.
L
bar
-0.2
-0.2
Raw water pump: Inlet pressure, max.
L
bar
0.5
0.5
Pressure loss in off-engine raw-water system, max.
L
bar
1.0
1.0
Lube oil system
ID
1
2
Lube oil operating temperature before engine, from
R
°C
72*
75*
Lube oil operating temperature before engine, to
R
°C
82
82
Lube oil operating pressure before engine, from
R
bar
6
6
Lube oil operating pressure before engine, to
R
bar
8
8
Lube oil operating pressure (low idle) (meas. point: before engine) R
bar
2.0
2.0
Fuel system
ID
1
2
Fuel pressure at engine inlet connection, min. (when engine is
starting)
L
bar
-0.1
-0.1
Fuel pressure at engine inlet connection, min. (when engine is
running)
L
bar
-0.3
-0.3
Fuel pressure at engine inlet connection, max. (when engine is
starting)
L
bar
1.5
1.5
Fuel supply flow, max. normal operation
R
liters/min 14.4
15.8
General operating data
ID
1
2
Firing speed, from
R
rpm
80
80
Firing speed, to
R
rpm
120
120
52 | Technical Data | MS150123/01E 2017-05
TIM-ID: 0000071902 - 002