3 550–555 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 GFJC | 550.0 kW | Three Phase | — | 8503.0 kg | — |
| MTU 12V0265 GS550 | 550.0 kW | 3 | 94.3 dBA | 8500.0 kg | — |
| MTU 12V500 GS | 550.0 kW | — | — | — | — |
Among 550–555 kW Natural Gas generators in this comparison, the MTU 12V0265 GS550 is lightest at 8500.0 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.