Capacities
5L27/38: 300 kW/cyl., 720 rpm,
6-9L27/38: 330 kW/cyl., 720 rpm
5 6 7 8 9
Engine output
Speed
kW
rpm
1500
720
1980
720
2310
720
2640
720
2970
720
Heat to be dissipated
3)
Cooling water cylinder
Charge air cooler; cooling water HT
Charge air cooler; cooling water LT
Lubricating oil cooler
Heat radiation engine
kW
kW
kW
kW
kW
256
466
178
224
63
330
594
216
279
83
385
675
242
325
97
440
750
268
372
111
495
820
297
418
125
Flow rates
4)
Internal (inside engine)
HT circuit (cylinder + charge air cooler HT stage)
LT circuit (lube oil + charge air cooler LT stage)
Lubrication oil
External (from engine to system)
HT water flow (at 40°C inlet)
LT water flow (at 38°C inlet)
m
3
/h
m
3
/h
m
3
/h
m
3
/h
m
3
/h
58
58
64
16
58
58
58
64
20.2
58
58
58
92
23
58
58
58
92
25.5
58
58
58
92
28
58
Air data
Temperature of charge air at charge air cooler outlet
Air flow rate
Charge air pressure
Air required to dissipate heat radiation (eng.)
(t
2
-t
1
= 10°C)
°C
m
3
/h
5)
kg/kWh
bar
m
3
/h
50
9137
6.67
4.01
20414
53
12061
6.67
4.01
26895
55
14071
6.67
4.01
31431
56
16082
6.67
4.01
35968
57
18092
6.67
4.01
40504
Exhaust gas data
6)
Volume flow (temperature turbocharger outlet)
Mass flow
Temperature at turbine outlet
Heat content (190°C)
Permissible exhaust back pressure
Permissible exhaust back pressure (SCR)
m
3
/h
7)
t/h
°C
kW
mbar
mbar
19203
10.3
376
575
< 30
< 50
25348
13.6
376
759
< 30
< 50
29572
15.9
376
886
< 30
< 50
33797
18.1
376
1012
< 30
< 50
38021
20.4
376
1139
< 30
< 50
Pumps
External pumps
8)
Diesel oil pump
Fuel oil supply pump
Fuel oil circulating pump
9)
(5 bar at fuel oil inlet A1)
(4 bar discharge pressure)
(8 bar at fuel oil inlet A1)
m
3
/h
m
3
/h
m
3
/h
1.06
0.51
1.06
1.40
0.67
1.40
1.63
0.79
1.63
1.87
0.90
1.87
2.10
1.01
2.10
Starting air data
Air consumption per start,
incl. air for jet assist (IR/TDI)
Nm
3
2.5 2.9 3.3 3.8 4.3
MAN Diesel & Turbo
1689471-7.4
Page 1 (2)
List of capacities
D 10 05 0
L27/38S, L27/38
2017.03.03 - 330 kW, 720 rpm
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