21 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 G007163-0 | 15.0 kW | 1 | 66.0 dBA | 209.0 kg | — |
| Kohler 15RYG | 15.0 kW | — | — | — | — |
| Generac G007034-0 | 15.0 kW | 1 | 63.0 dBA | 239.0 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 | — |
| Kohler 18RES | 17.0 kW | — | — | — | — |
| Generac 5504 | 17.0 kW | — | — | — | — |
| Generac 5505 | 17.0 kW | — | — | — | — |
| Generac 5523 | 17.0 kW | — | — | — | — |
| Generac 5524 | 17.0 kW | — | — | — | — |
| Carrier ASPCX1CCA017 | 17.0 kW | 1 | — | 206.7 kg | — |
| Carrier ASPCY1CCA017 | 17.0 kW | 1 | — | 190.7 kg | — |
| 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 | — |
| Sentry V-WIFI | 18.0 kW | — | — | — | — |
| Katolight 20FPG4 | 18.0 kW | 3 | — | 371.0 kg | — |
| Kubota WG972 | 18.6 kW | — | — | 72.0 kg | — |
| Kubota DF972 | 18.6 kW | — | — | 72.0 kg | — |
Among 15–20 kW Bi-Fuel (NG/LP) generators in this comparison, the Generac G007034-0 is quietest at 63.0 dBA.
Among 15–20 kW Bi-Fuel (NG/LP) generators in this comparison, the Kubota WG972 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.