5 500–505 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 |
|---|---|---|---|---|---|
| MTU 12V0265 GS500 | 500.0 kW | 3 | 94.3 dBA | 8500.0 kg | — |
| Cummins/Onan C500N6B | 500.0 kW | 3 | — | — | — |
| Cummins/Onan GTA28 GS | 500.0 kW | 3-phase | — | 5669.0 kg | — |
| Caterpillar DG500 | 500.0 kW | 3 | — | 4689.0 kg | — |
| Generac MG500 | 500.0 kW | Three-Phase | — | 4417.0 kg | — |
Among 500–505 kW Natural Gas generators in this comparison, the Generac MG500 is lightest at 4417.0 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.