3 450–455 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 |
|---|---|---|---|---|---|
| Kohler 450REZXD | 450.0 kW | 3 | — | — | — |
| Power Solutions International PSI 21.9-liter | 450.0 kW | — | — | 1650.0 kg | — |
| MTU 12V1600 GS450 | 450.0 kW | 3 | 90.9 dBA | 4545.0 kg | — |
Among 450–455 kW Bi-Fuel (NG/LP) generators in this comparison, the Power Solutions International PSI 21.9-liter is lightest at 1650.0 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.