7
EN
3.2. Derating chart for operation under different conditions
Operate at sea-
height (m)
Ambient temperature (°C)
0
5
10
15
20
25
30
35
40
45
50
55
60
0
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
0.94
0.85
0.76
0.67
500
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
0.91
0.82
0.73
0.64
1000
0.96
0.95
0.93
0.93
0.92
0.91
0.91
0.91
0.88
0.84
0.76
0.67
0.59
1500
0.90
0.89
0.89
0.88
0.87
0.87
0.87
0.86
0.84
0.80
0.73
0.65
0.57
2000
0.84
0.84
0.83
0.82
0.82
0.80
0.80
0.80
0.79
0.76
0.68
0.62
0.55
2500
0.79
0.78
0.78
0.77
0.76
0.75
0.75
0.74
0.74
0.71
0.66
0.60
0.52
3000
0.74
0.73
0.73
0.73
0.71
0.70
0.69
0.69
0.68
0.68
0.63
0.57
0.50
3500
0.70
0.70
0.70
0.69
0.66
0.64
0.64
0.64
0.63
0.63
0.61
0.55
0.48
4000
0.66
0.65
0.65
0.64
0.61
0.59
0.59
0.58
0.58
0.58
0.55
0.52
0.46
4500
0.60
0.60
0.60
0.58
0.56
0.54
0.54
0.53
0.53
0.52
0.50
0.49
0.44
5000
0.55
0.55
0.55
0.53
0.52
0.50
0.50
0.49
0.49
0.47
0.45
0.44
0.40
Multiply the given factor with the relative nominal capacity – ex. ED4-0474 engine: operation with 3.600 min
-1
in 2.000m operational height, at +40 C° ambient tem-
perature. The continuous rating must be around 5,69kW (7,20 kW * 0,79 factor = 5,69 kW).
3.3. Performance Curve
Me = Drehmomentkurve in Nm
P = Leistungskurve in kW
Q = Einspritzmenge pro Hub
ED4-0474
P [ kW ]
Me [ Nm ]
Q [ mm³]
min
-1
24
22
20
18
16
14
12
10
8
6
4
2
0
2.400
2.600
2.800
3.000
3.200
3.400
3.600
min
-1
25
24
23
22
21
20
2.400
2.600
2.800
3.000
3.200
3.400
3.600
10
9
8
7
6
5
4
3
2
1
0
