Manufacturer-documented fuel consumption for 5 145–150 kW Diesel generator sets — median 8.70 gal/h at full load, 4.16 gal/h at half load.
Compare 145–150 kW Diesel generator specs side-by-side →
| Model | kW | gal/h @ 50% | gal/h @ 100% | Tank (L) | Runtime @ 50% (h) |
|---|---|---|---|---|---|
| Cummins/Onan C145D6 | 145 | — | 0.40 | 250 | — |
| Generac MDG150 | 145 | 5.23 | 8.70 | 1355 | 68.4 |
| John Deere MDG150DF4 | 145 | 3.09 | 6.21 | 1355 | 115.8 |
| Simson-Maxwell SDW140 T6-T4 | 147 | 7.95 | 12.07 | 1206 | 40.1 |
| Perkins 1106C-E66TAG3 | 148 | 2.64 | 25.80 | — | — |
Figures from each model’s own manufacturer documentation (spec sheets and manuals); runtime = documented tank capacity ÷ consumption at 50% load. Verify against the datasheet for your exact configuration.
Across 5 models with manufacturer data, full-load consumption runs 0.40–25.80 gal/h (median 8.70); at 50% load the median is 4.16 gal/h.
At 50% load, documented tank sizes give 40.1–115.8 hours (median 68.4 h) across 3 models.