Manufacturer-documented fuel consumption for 11 80–85 kW Bi-Fuel (NG/LP) generator sets — median 2.05 gal/h at full load, 6.30 gal/h at half load.
Compare 80–85 kW Bi-Fuel (NG/LP) generator specs side-by-side →
| Model | kW | gal/h @ 50% | gal/h @ 100% | Tank (L) | Runtime @ 50% (h) |
|---|---|---|---|---|---|
| Cummins/Onan C80 N6 | 80 | — | 2.05 | — | — |
| Generac G80LG4 | 80 | 167.22 | 278.70 | — | — |
| Generac QT080 | 80 | 0.71 | 1.10 | — | — |
| Generac QT08046 | 80 | — | 0.90 | — | — |
| Generac RG080 | 80 | 1.10 | 1.75 | — | — |
| Generac RG08045 | 80 | — | 1.75 | — | — |
| Generac SG080 | 80 | 58.91 | 100.12 | — | — |
| Hipower HGM 100 T6U | 80 | 76.61 | 134.99 | — | — |
| Kohler 80 RZ | 80 | 7.61 | 12.20 | — | — |
| Kohler 80REZG | 81 | 4.99 | 7.58 | — | — |
| SDMO G130 | 84 | 2.11 | 0.46 | 8 | 1.1 |
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 11 models with manufacturer data, full-load consumption runs 0.46–278.70 gal/h (median 2.05); at 50% load the median is 6.30 gal/h.
At 50% load, documented tank sizes give 1.1–1.1 hours (median 1.1 h) across 1 models.