3 125–130 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 |
|---|---|---|---|---|---|
| Cummins/Onan GGHJ | 125.0 kW | 1 | 75.2 dBA | 1441.0 kg | — |
| Kohler 125REZG | 125.0 kW | 3 | 71.0 dBA | 1134.0 kg | — |
| Kohler 125REZGC | 128.0 kW | 3 | — | — | — |
Among 125–130 kW Bi-Fuel (NG/LP) generators in this comparison, the Kohler 125REZG is quietest at 71.0 dBA.
Among 125–130 kW Bi-Fuel (NG/LP) generators in this comparison, the Kohler 125REZG is lightest at 1134.0 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.