3 45–50 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 |
|---|---|---|---|---|---|
| Kohler 48RCL-NG | 48.0 kW | — | 58.0 dBA | — | — |
| Briggs & Stratton Fortress 076150 | 48.0 kW | 1 | 68.0 dBA | 741.0 kg | — |
| Briggs & Stratton Fortress 076350 | 48.0 kW | 3 | 68.0 dBA | 741.0 kg | — |
Among 45–50 kW Natural Gas generators in this comparison, the Kohler 48RCL-NG is quietest at 58.0 dBA.
Among 45–50 kW Natural Gas generators in this comparison, the Briggs & Stratton Fortress 076150 is lightest at 741.0 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.