13 30–35 kw bi-fuel (ng/lp) 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 |
|---|---|---|---|---|---|
| Olympian G30F3 | 30.0 kW | 1 | 88.0 dBA | — | — |
| Cummins/Onan C30 N6 | 30.0 kW | 1 or 3 | 60.0 dBA | 491.0 kg | — |
| Kohler 30CCL | 30.0 kW | — | 57.0 dBA | 635.0 kg | — |
| Cummins/Onan RS 30 | 30.0 kW | 1 | 60.0 dBA | 558.0 kg | — |
| Cummins/Onan RX 30 | 30.0 kW | 1 | 72.0 dBA | 500.0 kg | — |
| Generac Guardian Series Liquid-Cooled 30 kW unit | 30.0 kW | — | — | — | — |
| Kohler 30RES | 30.0 kW | 1 | 68.0 dBA | 490.0 kg | — |
| Kohler 30RCL | 30.0 kW | 1 | 61.0 dBA | 599.0 kg | — |
| Generac QT030 | 30.0 kW | 1Ø or 3Ø | 73.0 dBA | — | — |
| SDMO G45 | 31.0 kW | 3,3,3,3,1,3,3 | — | 601.0 kg | — |
| Generac XG03245 | 32.0 kW | 1 or 3 | 64.0 dBA | 689.0 kg | — |
| Generac RG032 | 32.0 kW | 1 or 3 | 58.0 dBA | 556.0 kg | — |
| Cummins/Onan GGFB | 32.0 kW | 3 | — | — | 23.8 L |
Among 30–35 kW Bi-Fuel (NG/LP) generators in this comparison, the Kohler 30CCL is quietest at 57.0 dBA.
Among 30–35 kW Bi-Fuel (NG/LP) generators in this comparison, the Kohler 30RES is lightest at 490.0 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.