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500–505 kW Natural Gas Generators Compared

13 500–505 kw natural gas generator models side by side — power, phase, sound level, weight and fuel tank capacity, compiled from manufacturer specification sheets.

ModelStandbyPhaseSoundWeightFuel tank
Kohler 500REZK500.0 kW3
Perkins 4008-30TRS2500.0 kW
Generac SG500500.0 kW3-Phase4417.0 kg
Generac MG500500.0 kW34206.0 kg
MTU 12V0265 GS500500.0 kW394.3 dBA8500.0 kg
Generac MPSG500500.0 kW
Cummins/Onan GFJB500.0 kW38503.0 kg
AKSA APD-NG500500.0 kW3PH
Depco CG18 PGAM500.0 kW3
Caterpillar DG500500.0 kW34689.0 kg
Cummins/Onan GTA38500.0 kWA (U), B (V), C (W)
Kohler 700500.0 kW
Generac SG500 | 25.8L | 500 kW500.0 kWThree-Phase4257.0 kg

Common questions

Which 500–505 kW Natural Gas generator is lightest?

Among 500–505 kW Natural Gas generators in this comparison, the Generac MG500 is lightest at 4206.0 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.