4 4000–4005 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 1400 | 4000.0 kW | single-phase | — | — | — |
| Cummins/Onan 4MKY | 4000.0 kW | 1 | — | 84.0 kg | — |
| Cummins/Onan 4.0 KY | 4000.0 kW | 1-Phase | — | 78.0 kg | — |
| Cummins/Onan QG 4000 | 4000.0 kW | 1 | 66.0 dBA | 79.83 kg | — |
Among 4000–4005 kW Gasoline generators in this comparison, the Cummins/Onan 4.0 KY is lightest at 78.0 kg dry weight.
Not every model reports every spec — blanks mean the source document didn't state that figure, not that the value is zero.