14 35–40 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 G35F3S | 35.0 kW | 1 | — | — | — |
| Cummins/Onan GGPA | 35.0 kW | 3-phase, 1-phase | — | 795.0 kg | 204.0 L |
| Generac SG035 | 35.0 kW | Three-Phase | — | 997.0 kg | — |
| Generac G35LG2 | 35.0 kW | Three-Phase | — | 714.0 kg | — |
| Generac QT035 | 35.0 kW | — | 74.0 dBA | — | — |
| Cummins/Onan C36 N6 | 36.0 kW | 1 or 3 | 63.0 dBA | 587.0 kg | — |
| Kohler 36CCL | 36.0 kW | 3 | 57.0 dBA | 635.0 kg | — |
| Cummins/Onan RS 36 | 36.0 kW | 1 | 63.0 dBA | 587.0 kg | — |
| Cummins/Onan RX 36 | 36.0 kW | 1 | 72.0 dBA | 546.0 kg | — |
| Generac QT036 | 36.0 kW | — | 64.0 dBA | 685.8 kg | — |
| Generac RG038 | 38.0 kW | 1 or 3 | 64.0 dBA | 560.0 kg | — |
| Kohler 38RCLB | 38.0 kW | — | 61.0 dBA | 621.0 kg | — |
| Kohler 38RCLC | 38.0 kW | 1Ø and 3Ø | 61.0 dBA | 621.0 kg | — |
| Cummins/Onan GG series | 39.0 kW | Single-phase | — | 736.2 kg | — |
Among 35–40 kW Bi-Fuel (NG/LP) generators in this comparison, the Kohler 36CCL is quietest at 57.0 dBA.
Among 35–40 kW Bi-Fuel (NG/LP) generators in this comparison, the Cummins/Onan RX 36 is lightest at 546.0 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.