9 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 |
|---|---|---|---|---|---|
| Generac Quietsource Series | 45.0 kW | — | — | — | — |
| Generac QT04554 | 45.0 kW | — | — | — | — |
| General Motors 60RZ | 45.0 kW | — | — | — | — |
| Rivera Diésel S.A RG060 | 45.0 kW | Monofásico / Trifásico | 64.0 dBA | 732.0 kg | — |
| Rivera Diésel S.A QT 130 | 45.0 kW | Monofásico / Trifásico | 74.0 dBA | 925.0 kg | — |
| Simson-Maxwell SDW55 T6-T2 | 45.5 kW | 1 | — | — | — |
| Simson-Maxwell SDAC40 T6-T2 | 45.5 kW | 1 | — | — | — |
| Simson-Maxwell SDAC40 T6-T3 | 45.7 kW | 1 | — | — | — |
| Rivera Diésel S.A QT150 | 48.0 kW | Monofásico / Trifásico | 74.0 dBA | 925.0 kg | — |
Among 45–50 kW Natural Gas generators in this comparison, the Rivera Diésel S.A RG060 is quietest at 64.0 dBA.
Among 45–50 kW Natural Gas generators in this comparison, the Rivera Diésel S.A RG060 is lightest at 732.0 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.