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Technical Engine Data 20V4000 G23 Water charge air cooling (external); 50 Hz - 1.500/min Fuel optimized
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Four stroke Diesel |
Flywheel housing flange |
SAE 00 |
|
combustion system |
Direct injection |
Flywheel interface |
21" |
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Charging method |
Exhaust turbo charger and Water charge air cooling (external) |
starter ring-gear teeth no. |
182 |
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Bore /Stroke |
170/210 mm |
injection system |
Common Rail System with electronically controlled high pressure injection |
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Displacement ,total |
954 Liter |
control/monitoring |
Electronic Engine |
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Number of cylinders |
20 |
engine protection |
Management System " ADEC" |
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Cylinder configuration |
V-90ºC |
　/DIV> |
Engine Site Condition Management System "ESCM" |
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Compression ratio |
16,5: 1 |
Number of intercooler |
1 |
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Discretion of rotation ( views from flywheel side) |
LEFT |
Number of turbocharger |
2 |
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MTU-Application group |
3D (ICFN) |
3B (ICXN) |
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Power (ISO 3046) |
|
kW |
A |
2420 |
2200 |
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Mean piston speed |
|
m/s |
A |
10,5 |
10,5 |
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Mean effective pressure |
|
bar |
A |
20,3 |
18,5 |
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Engine weight (Engine in basic execution) |
dry |
kg |
R |
9640 |
9640 |
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|
wet |
kg |
R |
- |
- |
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Dimensions (Engine only) |
length |
mm |
R |
|
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|
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height |
mm |
R |
see installation drawing |
see installation drawing |
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width |
mm |
R |
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Consumption |
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Specific fuel consumption (be) |
100% CP |
g/kWh |
G |
193 |
195 |
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(Tolerance +5% according to ISO 3046/1) |
75% CP |
g/kWh |
R |
199 |
201 |
|
|
50% CP |
g/kWh |
R |
210 |
213 |
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Lube oil consumption (after run-in) |
|
|
R |
- |
- |
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Capacity |
|
|
|
|
|
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Engine oil capacity, initial filling (standard oil system) |
total |
Liter |
R |
390 |
390 |
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Oil pan capacity, dipstick mark min. |
|
Liter |
L |
245 |
245 |
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Oil pan capacity, dipstick mark max. |
|
Liter |
L |
340 |
340 |
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Engine coolant capacity (without cooling equipment) |
|
Liter |
R |
205 |
205 |
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Intercooler coolant capacity |
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Liter |
R |
55 |
55 |
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Heat dissipation |
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|
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|
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Engine coolant dissipation 100% load |
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kW |
R |
970 |
870 |
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Charge-air heat dissipation 100% load |
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kW |
R |
350 |
300 |
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Radiation and convection heat, engine |
|
kW |
R |
105 |
105 |
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Starter system |
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Electrical Starter |
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|
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|
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Starter, rated voltage |
|
V |
R |
24 |
24 |
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Starter, rated power |
|
kW |
R |
2 x 7,5 |
2 x 7,5 |
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Starter, power requirement max. |
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A |
R |
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Starter, power requirement at firing speed |
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A |
R |
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Recommended battery capacity |
Lead-acid |
Ah/20h |
R |
|
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NiCd |
Ah/5h |
R |
|
|
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Firing speed |
|
1/min |
R |
80 - 120 |
80 - 120 |
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Coolant pre-heating |
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Preheating temperature (min.) |
|
ºC |
R |
32 |
32 |
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Heater performance |
|
kW |
R |
9 |
9 |
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Coolant system, Engine coolant circuit |
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|
　/DIV> |
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Coolant temperature (at engine outlet to cooling equipment) |
ºC |
A |
100 |
100 |
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Coolant temperature after engine, alarm |
ºC |
R |
102 |
102 |
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Coolant temperature after engine, shutdown |
ºC |
L |
104 |
104 |
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Coolant antifreeze content, max. permissible |
% |
L |
50 |
50 |
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Cooling equipment: coolant flow rate |
m3/h |
A |
83 |
83 |
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Coolant pump: inlet pressure, min. |
bar |
L |
0,4 |
0,4 |
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Coolant pump: inlet pressure, max. |
bar |
L |
1,5 |
1,5 |
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Pressure loss in off-engine cooling system, max. permissible |
bar |
L |
0,7 |
0,7 |
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Cooling equipment: height above engine max. permissible |
m |
L |
15,2 |
15,2 |
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Cooling equipment: design pressure |
bar |
A |
2,5 |
2,5 |
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Coolant system, Charge-air coolant circuit |
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|
|
|
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Coolant temperature before intercooler (engine inlet) |
ºC |
A |
55 |
55 |
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Coolant antifreeze content, max. permissible |
% |
L |
50 |
50 |
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Cooling equipment: coolant flow rate |
m3/h |
A |
30 |
30 |
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Pressure loss in off-engine cooling system max. permissible |
bar |
L |
0,7 |
0,7 |
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Cooling equipment: height above engine max. permissible |
m |
L |
15,2 |
15,2 |
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Cooling equipment: design pressure max. permissible |
bar |
A |
2,5 |
2,5 |
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Combustion air |
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|
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Combustion air volume flow |
m³/s |
R |
2,7 |
2,6 |
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Intake air depression new filter |
mbar |
A |
15 |
15 |
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limit value |
mbar |
L |
50 |
50 |
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Fuel system |
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|
|
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Fuel supply flow, max. |
l/min |
R |
25 |
25 |
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Fuel temperature, max. |
ºC |
L |
55ºC |
55ºC |
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Fuel pressure at supply connection on engine, max. admissible |
bar |
L |
1,5 |
1,5 |
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Fuel pressure at supply connection on engine, min. admissible |
bar |
L |
-0,1 |
-0,1 |
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Exhaust system |
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|
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Exhaust volume flow |
m³/s |
R |
7,3 |
6,8 |
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Exhaust temperature after turbocharger |
ºC |
R |
530 |
500 |
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Exhaust backpressure limit value |
mbar |
L |
85 |
85 |
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General operating data |
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Recommended minimum continuous load |
% |
R |
20 |
20 |
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Engine mass moment of inertia, with standard flywheel |
kgm² |
R |
34,67 |
34,67 |
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Noise emission |
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(Free-field sound pressure level, 1m distance) |
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Engine surface noise |
dB(A) |
R |
- |
- |
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Exhaust noise, unsilenced |
dB(A) |
R |
- |
- |
A = Design value; G = Guarenteed value; R = Guideline value
L = Limit value, up to which the engine can be operated w/o change
- = Data not available
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Reference conditions |
　/DIV> |
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　/DIV> |
Standard |
Power available up to |
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Intake air temperature |
25ºC |
40ºC |
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Site altitude above sea level |
100 m |
400 m |
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Charge-air coolant temperature |
55ºC |
70ºC |
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