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20–25 kW Bi-Fuel (NG/LP) Generators Compared

26 20–25 kw bi-fuel (ng/lp) generator models side by side — power, phase, sound level, weight and fuel tank capacity, compiled from manufacturer specification sheets.

ModelStandbyPhaseSoundWeightFuel tank
Kohler 20RCA20.0 kW164.0 dBA252.0 kg—
Generac 574420.0 kW————
Generac 552520.0 kW————
Generac G00703820.0 kW167.0 dBA203.0 kg—
Generac G00703920.0 kW167.0 dBA211.0 kg—
Generac G007077-120.0 kW367.0 dBA211.0 kg—
Generac G007040-020.0 kW163.0 dBA214.0 kg—
Generac G007041-020.0 kW163.0 dBA214.0 kg—
Generac G007077-020.0 kW367.0 dBA211.0 kg—
Generac Guardian 005887-020.0 kW1———
Katolight 20FRG420.0 kW3—371.0 kg—
Katolight 20FJG420.0 kW3—371.0 kg—
Generac QT02224ANAN22.0 kW————
Generac QT0222422.0 kW————
Generac QT02224ANAX22.0 kW————
Generac G00704222.0 kW167.0 dBA198.0 kg—
Generac G00704322.0 kW167.0 dBA202.0 kg—
Generac RG02222.0 kW—70.0 dBA410.5 kg—
Generac QT02222.0 kW1-phase61.0 dBA382.38 kg—
Generac In Line 422.0 kW1-phase,3-phase———
Generac RG2222.0 kW1———
Generac RG0222422.0 kW1-Phase or 3-Phase58.0 dBA30.6 kg—
Generac G00720924.0 kW167.0 dBA206.0 kg—
Generac G00721024.0 kW167.0 dBA206.0 kg—
Kohler 26RCA24.0 kW156.0 dBA283.0 kg—
Katolight 20FNG424.0 kW3—371.0 kg—

Common questions

Which 20–25 kW Bi-Fuel (NG/LP) generator is quietest?

Among 20–25 kW Bi-Fuel (NG/LP) generators in this comparison, the Kohler 26RCA is quietest at 56.0 dBA.

Which 20–25 kW Bi-Fuel (NG/LP) generator is lightest?

Among 20–25 kW Bi-Fuel (NG/LP) generators in this comparison, the Generac RG02224 is lightest at 30.6 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.