Manufacturer-documented fuel consumption for 9 550–555 kW Diesel generator sets — median 29.16 gal/h at full load, 16.97 gal/h at half load.
Compare 550–555 kW Diesel generator specs side-by-side →
| Model | kW | gal/h @ 50% | gal/h @ 100% | Tank (L) | Runtime @ 50% (h) |
|---|---|---|---|---|---|
| Caterpillar C18 | 550 | 16.40 | 1.20 | 699 | 11.3 |
| FG Wilson P688E1 | 550 | — | 34.40 | 863 | — |
| Kohler 5M4030 | 550 | 17.54 | 29.16 | — | — |
| Kohler 5M4032 | 550 | 17.54 | 29.16 | — | — |
| Kohler 5M4164 | 550 | 17.54 | 29.16 | — | — |
| Kohler 5M4272 | 550 | 14.98 | 26.50 | — | — |
| MQ Power 550kW Containerized Diesel Generator Set | 550 | — | 37.70 | 900 | — |
| MTU 12V1600 DS550 | 550 | 1.37 | 2.62 | — | — |
| Volvo Penta TAD 1642 GE | 554 | — | 0.34 | 8 | — |
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 9 models with manufacturer data, full-load consumption runs 0.34–37.70 gal/h (median 29.16); at 50% load the median is 16.97 gal/h.
At 50% load, documented tank sizes give 11.3–11.3 hours (median 11.3 h) across 1 models.