MTU 12 V 4000 M23F Operating Instructions Manual page 31

Engines with engine-mounted heat exchanger and vertical air intake
1 Raw-water outlet
2 Engine management and
monitoring
3 Oil cooler
4 Plate-core heat exchanger
5 Coolant expansion tank
6 Centrifugal oil filter
7 Crankcase breather
8 Dry-type air filter
9 Exhaust manifold
Overview drawing is also valid for 16V engines.
Engine model designation
Key to the engine model designations 12/16V 4000 Mxy z
12, 16
V
4000
M
x
y
z
10 Recirculation line
11 Exhaust turbocharger
12 Exhaust outlet
13 Air pipe to intercooler
14 Intercooler
15 Charge-air line
16 Engine mounts
17 Oil pan
18 Oil filler neck
Number of cylinders
Cylinder arrangement: V-engine
Series
Application (M= Marine)
Application load profile (0, 1, 2, 3...9)
Design index (0, 1, 2, 3...9)
R (power / speed reduction)
L (enhanced power / speed)
S (60 Hz)
F (50 Hz)
MS150068/01E 2014-01 | Product Summary | 31
19 Crankcase
20 Cylinder head
21 Fuel filter
22 Oil filter
23 HP fuel pump
24 Battery-charging generator
25 Bilge pump (option)
26 Raw-water inlet
KGS Free end