Manufacturer-documented fuel consumption for 60 10–15 kW Diesel generator sets — median 0.87 gal/h at full load, 0.51 gal/h at half load.
Compare 10–15 kW Diesel generator specs side-by-side →
| Model | kW | gal/h @ 50% | gal/h @ 100% | Tank (L) | Runtime @ 50% (h) |
|---|---|---|---|---|---|
| Aurora Generators AGi10P | 10 | 0.36 | 0.54 | 45 | 32.8 |
| Cummins/Onan 10.0 HDKCA | 10 | 0.53 | 0.79 | — | — |
| Cummins/Onan 10HDKAG | 10 | 0.55 | 1.03 | — | — |
| Cummins/Onan HDCAC | 10 | 0.62 | 1.10 | — | — |
| Cummins/Onan HDKA | 10 | 0.46 | 0.80 | — | — |
| Cummins/Onan HDKCA-11506 | 10 | 0.43 | 1.00 | — | — |
| Cummins/Onan MDKAD 10 | 10 | — | 1.29 | — | — |
| Cummins/Onan QD 10000 HDKCC42345 | 10 | 0.43 | 1.00 | — | — |
| Generac SD010 | 10 | 0.66 | 1.06 | — | — |
| Generac SD010T | 10 | 0.92 | 1.08 | — | — |
| Kohler 10EOZ | 10 | 0.45 | 0.66 | — | — |
| Kohler 10REOZD | 10 | 0.50 | 0.13 | 152 | 80.0 |
| Kohler 10ROY | 10 | 0.26 | 0.50 | — | — |
| Stadco CP10 | 10 | 0.40 | 0.80 | — | — |
| Cummins/Onan MDKAA | 10 | 0.37 | 0.69 | — | — |
| Lister Petter HSL 15 | 10 | — | 0.40 | 66 | — |
| FG Wilson P13.5-6 | 11 | — | 0.95 | 62 | — |
| SDMO T 12 KM | 11 | — | 0.45 | 50 | — |
| Cummins/Onan 11.0HDKBN | 11 | — | 1.06 | — | — |
| FG Wilson P11E2S | 11 | — | 0.98 | 45 | — |
| FG Wilson P13.5E2 | 11 | — | 0.98 | 45 | — |
| Kohler 11EFKOZD | 11 | 0.45 | 0.87 | — | — |
| Kohler 11EFOZD | 11 | 0.53 | 1.06 | — | — |
| Kohler 11EKOZD | 11 | 0.50 | 0.90 | — | — |
| Kubota GL11000-USA | 11 | — | 0.63 | 28 | — |
| Kubota J110 | 11 | — | 0.71 | 37 | — |
| SDMO ADRIATIC | 11 | — | 0.45 | 50 | — |
| SDMO T11UC | 11 | — | 0.85 | 18 | — |
| SDMO TM11UC | 11 | — | 4.76 | 18 | — |
| FG Wilson LH14 | 11 | — | 0.87 | 44 | — |
| Generac MLT4080KV | 12 | — | 0.59 | 216 | — |
| Kohler 11.5EFOZD | 12 | 0.63 | 1.14 | — | — |
| Magnum MLT4080 | 12 | — | 0.47 | 114 | — |
| Wildcat Renegade Diesel 10KW | 12 | 0.39 | 0.70 | — | — |
| Wildcat Power Gen Freedom Diesel 10KW | 12 | 0.39 | 0.70 | — | — |
| Cummins/Onan HDCAD | 12 | 0.62 | 1.10 | — | — |
| Cummins/Onan MDJC | 12 | 1.06 | — | — | — |
| Genmac HSD17 | 12 | — | 0.29 | 23 | — |
| Kohler 12EFKOZD | 12 | 0.45 | 0.87 | — | — |
| Kubota GL 9000 | 12 | 0.61 | 0.63 | 28 | 12.2 |
| Northern Lights M843NW3 | 12 | 0.51 | 1.00 | — | — |
| Northern Lights M844 | 12 | 0.82 | 1.23 | — | — |
| Northern Lights ML844 | 12 | — | 1.23 | — | — |
| SDMO K12U | 12 | 0.54 | 1.04 | 50 | 24.6 |
| SDMO T 15 HK | 12 | — | 0.45 | 50 | — |
| kWiet Power DGK11F | 12 | 0.63 | 1.08 | 62 | 25.8 |
| Lister Petter LLD 135 | 12 | — | 0.50 | 66 | — |
| Kubota GL 11000 | 12 | 0.71 | 0.63 | 28 | 10.4 |
| Perkins 403A-15G1 ElectropaK | 12 | — | 66.31 | — | — |
| Cummins/Onan 12.5 HDKCB | 12 | 0.53 | 0.79 | — | — |
| Cummins/Onan 12.5 RDJC | 12 | — | 1.30 | — | — |
| Cummins/Onan HDKC | 12 | 0.32 | 0.79 | — | — |
| Cummins/Onan HDKCB-11506 | 12 | 0.43 | 1.00 | — | — |
| Cummins/Onan MDKAB | 12 | 0.37 | 0.69 | — | — |
| Cummins/Onan MDKAD | 12 | — | 1.29 | — | — |
| Cummins/Onan MDKAD 12.5 | 12 | — | 1.29 | — | — |
| Cummins/Onan RDJC 12.5 | 12 | — | 1.32 | — | — |
| Kohler 12.5EFORZD | 12 | 0.63 | 1.14 | — | — |
| Kohler 15RFOY | 12 | 0.26 | 0.50 | — | — |
| Perkins 403D-15 | 12 | 0.53 | 0.98 | 180 | 90.0 |
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 59 models with manufacturer data, full-load consumption runs 0.13–66.31 gal/h (median 0.87); at 50% load the median is 0.51 gal/h.
At 50% load, documented tank sizes give 10.4–90.0 hours (median 25.8 h) across 7 models.