The Generac MMG25FHI compressor is listed with standby output of 20 kW, 60 Hz operation, 120/240 V, 240 V output, Three phase, and rated current of 50 A.
Generator • 60 Hz • Three phase
Key specifications
Visual model specs
Built only from this model’s supplied generator specifications.
20 kW
18 kW
How the Generac MMG25FHI compares
This compares the supplied numeric specification with Generac generators in the same broad standby-power class where enough comparable data exists.
About 4% below the similar-output Generac average. Around the 44th percentile for this field.
About 37% below the similar-output Generac average. Around the 2nd percentile for this field.
About 149% above the similar-output Generac average. Around the 96th percentile for this field.
Generator information
| Manufacturer | Generac |
|---|---|
| Model | MMG25FHI |
| Generator type | Generator |
| Frequency | 60 Hz |
Electrical output
| Standby power | 20 kW |
|---|---|
| Prime power | 18 kW |
| Standby kVA | 25.0 |
| Voltage options | 120/240 V, 240 V |
| Phase | Three phase |
| Rated current | 50 A |
| Power factor | 0.8 |
Engine, cooling and controls
| Controller | Mobile Digital |
|---|---|
| Alternator | Generac G350 (6-pole, Class H insulation) |
Physical specifications
| Dry weight | 2, 176 lb (987 kg) |
|---|---|
| Dimensions (L × W × H) | 84 × 40 × 60 in (2134 × 1016 × 1524 mm) |
Fuel system and runtime
| Fuel tank | 27.7 gal (105 L) |
|---|---|
| Tank runtime | 24.375 hr |
Disclaimer: Specifications should be verified against the official owner’s manual and confirmed on the Generac USA website.