Consumption Fuel Chart for Diesel Generators

This diesel fuel consumption 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 diesel generator fuel consumption chart 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 disel fuel consumed. Nonetheless, this diesel generator fuel consumption chart in gallons will suffice to help you make an educated decision for your diesel generator. If you are looking for a natural gas generator fuel consumption chart, please do not use this as a reference.  

Generator Size (kW) 1/4 Load (gal/hr) 1/2 Load (gal/hr) 3/4 Load (gal/hr) Full Load (gal/hr)
20 0.6 0.9 1.3 1.6
30 1.3 1.8 2.4 2.9
40 1.6 2.3 3.2 4.0
60 1.8 2.9 3.8 4.8
75 2.4 3.4 4.6 6.1
100 2.6 4.1 5.8 7.4
125 3.1 5 7.1 9.1
135 3.3 5.4 7.6 9.8
150 3.6 5.9 8.4 10.9
175 4.1 6.8 9.7 12.7
200 4.7 7.7 11 14.4
230 5.3 8.8 12.5 16.6
250 5.7 9.5 13.6 18
300 6.8 11.3 16.1 21.5
350 7.9 13.1 18.7 25.1
400 8.9 14.9 21.3 28.6
500 11 18.5 26.4 35.7
600 13.2 22 31.5 42.8
750 16.3 27.4 39.3 53.4
1000 21.6 36.4 52.1 71.1
1250 26.9 45.3 65 88.8
1500 32.2 54.3 77.8 106.5
1750 37.5 63.2 90.7 124.2
2000 42.8 72.2 103.5 141.9
2250 48.1 81.1 116.4 159.6
2500 53.4 91.4 132.9 177.9
2750 58.8 100.6 146.2 195.7
3000 64.1 109.7 159.5 213.5
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