3 25–30 kw gasoline generator models side by side — power, phase, sound level, weight and fuel tank capacity, compiled from manufacturer specification sheets.
| Model | Standby | Phase | Sound | Weight | Fuel tank |
|---|---|---|---|---|---|
| Cummins/Onan 25EGHAA | 25.0 kW | Single | — | 34.0 kg | 6.0 L |
| Aurora Generators 25HN | 25.0 kW | — | — | — | 75.7 L |
| Kohler 30RFZ | 27.0 kW | 3 | — | — | — |
Among 25–30 kW Gasoline generators in this comparison, the Aurora Generators 25HN has the largest fuel tank at 75.7 L.
Not every model reports every spec — blanks mean the source document didn't state that figure, not that the value is zero.