29 15–20 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 |
|---|---|---|---|---|---|
| Generac 15 kW EcoGen | 15.0 kW | 1 | — | 243.0 kg | — |
| Kohler 15RES | 15.0 kW | Single | 65.0 dBA | 465.0 kg | — |
| Generac EcoGen 6103 | 15.0 kW | 1 | 63.0 dBA | 243.1 kg | — |
| Generac G007163-0 | 15.0 kW | 1 | 66.0 dBA | 209.0 kg | — |
| Generac G007034-0 | 15.0 kW | 1 | 63.0 dBA | 239.0 kg | — |
| Generac 7035 | 16.0 kW | Single | 58.0 dBA | 184.2 kg | — |
| Generac G007035 | 16.0 kW | 1 | 66.0 dBA | 186.0 kg | — |
| Generac G007176-0 | 16.0 kW | 1 | 65.0 dBA | 191.0 kg | — |
| Generac G007177-0 | 16.0 kW | 1 | 65.0 dBA | 191.0 kg | — |
| Generac G007178-0 | 16.0 kW | 1 | 65.0 dBA | 191.0 kg | — |
| Generac G007036 | 16.0 kW | 1 | 66.0 dBA | 186.0 kg | — |
| Generac G007037 | 16.0 kW | 1 | 66.0 dBA | 186.0 kg | — |
| Kohler 17RES | 17.0 kW | 1 | 68.0 dBA | 227.0 kg | — |
| Cummins/Onan RS17A | 17.0 kW | 1 | 65.0 dBA | 241.0 kg | — |
| Cummins/Onan C17 N6H | 17.0 kW | Single Phase | — | 241.0 kg | — |
| Cummins/Onan RS17A C17N6H | 17.0 kW | 1 | 65.0 dBA | 241.0 kg | — |
| Winco PSS20B | 17.0 kW | single | 75.8 dBA | 446.0 kg | — |
| Briggs & Stratton PP17 | 17.0 kW | Single | 68.0 dBA | 200.0 kg | — |
| Generac Guardian Series 7077 | 17.0 kW | 3 | 67.0 dBA | 211.4 kg | — |
| Kohler 18RES | 18.0 kW | 1 | 68.0 dBA | 227.0 kg | — |
| Kohler 18TRES | 18.0 kW | 3 | — | — | — |
| Kohler 18RCAL | 18.0 kW | 1 | 70.0 dBA | 252.0 kg | — |
| Generac 7226 | 18.0 kW | Single | 57.0 dBA | 190.5 kg | — |
| Cummins/Onan 20 GEAE | 18.0 kW | 60 Hertz | — | — | — |
| Generac G007226-0 | 18.0 kW | 1 | 65.0 dBA | 191.0 kg | — |
| Generac G007228-0 | 18.0 kW | 1 | 65.0 dBA | 191.0 kg | — |
| Generac G007259-0 | 18.0 kW | 1 | 65.0 dBA | 193.0 kg | — |
| Generac G007324-0 | 18.0 kW | 1 | 65.0 dBA | 193.0 kg | — |
| Kubota DF972 | 18.6 kW | — | — | 72.0 kg | — |
Among 15–20 kW Bi-Fuel (NG/LP) generators in this comparison, the Generac 7226 is quietest at 57.0 dBA.
Among 15–20 kW Bi-Fuel (NG/LP) generators in this comparison, the Kubota DF972 is lightest at 72.0 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.