Model related data (basic design)
Engine model
12V4000
T94
12V4000
T94L
Engine with exhaust turbocharging (ETC) and charge-air cool‐
ing (CAC)
X
X
Uncooled exhaust lines
X
X
Number of cylinders
12
12
Cylinder arrangement: V angle
De‐
grees (°)
90
90
Bore
mm
170
170
Stroke
mm
210
210
Displacement of a cylinder
Liters
4.77
4.77
Total displacement
Liters
57.2
57.2
Compression ratio
16.7
16.7
Number of inlet valves per cylinder
2
2
Number of exhaust valves per cylinder
2
2
Standard housing connection flange (engine driving end)
SAE
00
00
Combustion air / exhaust gas
Engine model
12V4000
T94
12V4000
T94L
Charge-air pressure before cylinder
R bar abs
4.1
4.9
Exhaust temperature after turbocharger
R °C
520
490
Coolant system (high-temperature circuit)
Engine model
12V4000
T94
12V4000
T94L
Coolant temperature (at engine connection: outlet to cooling
system)
A °C
105
105
Coolant temperature after engine, warning
R °C
112
112
Coolant temperature after engine, shutdown
L °C
114
114
Coolant antifreeze content, max.
L %
50
50
Pressure loss in off-engine cooling system, max.
L bar
1.0
1.0
Thermostat: Starts to open
R °C
79
79
Thermostat: Fully open
R °C
92
92
Coolant system (low-temperature circuit)
Engine model
12V4000
T94
12V4000
T94L
Coolant temperature (at engine connection: outlet to cooling
system)
R °C
-
-
Coolant temperature before intercooler, alarm
R °C
77
77
MS150096/01E 2012-08 | Technical Data | 27
TIM-ID: 0000028754 - 003
