5 0–5 kw natural gas 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 |
|---|---|---|---|---|---|
| Solar Saturn 20 | 1.2 kW | — | — | 73668.0 kg | — |
| Kohler ES799 | 1.25 kW | — | — | — | — |
| Solar CENTAUR 40 | 3.5 kW | 3 Phase | — | 26015.0 kg | — |
| Solar Centaur 50 | 4.6 kW | — | — | 24855.0 kg | — |
| Solar Mercury 50 | 4.6 kW | — | — | 58831.0 kg | — |
Among 0–5 kW Natural Gas generators in this comparison, the Solar Centaur 50 is lightest at 24855.0 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.