3 450–455 kw natural gas 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 C450N6 | 450.0 kW | 3 | — | — | — |
| Caterpillar G3412 TA GAS ENGINE | 450.0 kW | 3 phase | — | 6356.0 kg | — |
| Generac SG450 | 450.0 kW | Three-Phase | — | 3745.0 kg | — |
Among 450–455 kW Natural Gas generators in this comparison, the Generac SG450 is lightest at 3745.0 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.