MTU 12 V 4000 Lx4 Operating Instructions Manual page 25

Number of cylinders
Thermostat: Starts to open
Thermostat: Opening stops (thermostat fully open and bypass
closed
Table 9: Coolant system (HT circuit)
Coolant system (LT circuit)
Number of cylinders
Coolant temperature before mixture cooler (at engine connection:
inlet from cooling equipment (w/o antifreeze)
Coolant antifreeze content, max.
Coolant pump: Volumetric flow
Pressure in cooling system, max.
Pressure loss over mixture cooler (at nominal flow rate 8.56)
Table 10: Coolant system (LT circuit)
Lube oil system
Number of cylinders
Lube oil operating temperature after oil heat exchanger, from
Lube oil operating temperature after oil heat exchanger, to
Lube oil operating temperature after oil heat exchanger, warning
Lube oil operating temperature after oil heat exchanger, engine
shutdown
Lube oil pressure after oil filter
Lube oil pressure after oil filter, warning
Lube oil pressure after oil filter, shutdown
Table 11: Lube oil system
Fuel system
Number of cylinders
Gas temperature before engine, min.
Gas temperature before engine, max.
Gas flow pressure before Tecjet, min.
Gas flow pressure before Tecjet, max.
Table 12: Fuel system
General operating data
Number of cylinders
Cold start capability: Air temperature (w/o starting aid, with pre-
heating) - (case C)
Site condition (to case C): Engine coolant temperature
r °C
A °C
A °C
L %
A m³/h
L bar
bar
r °C
r °C
r °C
L °C
bar
r bar
L bar
L °C
L °C
L mbar
L mbar
r °C
r °C
MS15027/00E 2013-10 | Product Summary | 25
12 16
68 68
78 78
12 16
40 40
50 50
32 32
6.0 6.0
0.31 0.3
12 16
82 82
90 90
93 93
97 97
5.4 5.5
5.0 5.0
4.5 4.5
12 16
10 10
40 40
80 80
200 200
12 16
15 15
40 40