5 20–25 kw propane/lpg 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 |
|---|---|---|---|---|---|
| FG Wilson FG20E1S | 20.0 kW | — | 56.9 dBA | 505.0 kg | — |
| FG Wilson FG25E1 | 20.0 kW | — | 55.7 dBA | 492.0 kg | — |
| Caterpillar G20UH3 | 20.0 kW | — | — | — | — |
| FG Wilson UHG30E1 | 24.0 kW | 3 Phase | 63.6 dBA | 405.0 kg | — |
| FG Wilson UHG24E1S | 24.0 kW | 1 Phase | 64.5 dBA | 405.0 kg | 405.0 L |
Among 20–25 kW Propane/LPG generators in this comparison, the FG Wilson FG25E1 is quietest at 55.7 dBA.
Among 20–25 kW Propane/LPG generators in this comparison, the FG Wilson UHG30E1 is lightest at 405.0 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.