Approximate Fuel Consumption Chart
This chart approximates the fuel consumption of a diesel generator based on the size of
the generator and the load at which the generator is operating at. Please note that this
table is intended to be used as an estimate of how much fuel a generator uses during
operation and is not an exact representation due to various factors that can increase or
decrease the amount of fuel consumed.
Generator Size (kW)
20
30
40
60
75
100
125
135
150
175
200
230
250
300
350
400
500
600
750
1000
1250
1500
1750
2000
2250
1/4 Load (gal/hr)
0.6
1.3
1.6
1.8
2.4
2.6
3.1
3.3
3.6
4.1
4.7
5.3
5.7
6.8
7.9
8.9
11
13.2
16.3
21.6
26.9
32.2
37.5
42.8
48.1
1/2 Load (gal/hr)
0.9
1.8
2.3
2.9
3.4
4.1
5
5.4
5.9
6.8
7.7
8.8
9.5
11.3
13.1
14.9
18.5
22
27.4
36.4
45.3
54.3
63.2
72.2
81.1
3/4 Load (gal/hr)
1.3
2.4
3.2
3.8
4.6
5.8
7.1
7.6
8.4
9.7
11
12.5
13.6
16.1
18.7
21.3
26.4
31.5
39.3
52.1
65
77.8
90.7
103.5
116.4
Full Load (gal/hr)
1.6
2.9
4
4.8
6.1
7.4
9.1
9.8
10.9
12.7
14.4
16.6
18
21.5
25.1
28.6
35.7
42.8
53.4
71.1
88.8
106.5
124.2
141.9
159.6
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