The Generac MMG465 compressor is listed with standby output of 408 kW, diesel fuel, 60 Hz operation, 120/208 V, 277/480 V output, Three phase, and sound level of 68 dBA @ 23 ft (7 m).
Generator • diesel • 60 Hz • Three phase
Key specifications
Visual model specs
Built only from this model’s supplied generator specifications.
408 kW
373 kW
How the Generac MMG465 compares
This compares the supplied numeric specification with Generac generators in the same broad standby-power class where enough comparable data exists.
About 32% below the similar-output Generac average. Around the 15th percentile for this field.
Very close to the similar-output Generac average. Around the 61st percentile for this field.
About 19% below the similar-output Generac average. Around the 8th percentile for this field.
Generator information
| Manufacturer | Generac |
|---|---|
| Model | MMG465 |
| Generator type | Generator |
| Fuel | diesel |
| Frequency | 60 Hz |
Electrical output
| Standby power | 408 kW |
|---|---|
| Prime power | 373 kW |
| Standby kVA | 510.0 |
| Voltage options | 120/208 V, 277/480 V |
| Phase | Three phase |
| Circuit breaker | 1600 A |
Engine, cooling and controls
| Maximum ambient | 120 °F (49 °C) |
|---|---|
| Controller | Microprocessor-based controller |
| Emissions | Tier III |
Physical specifications
| Dry weight | 12, 749 lb (5, 783 kg) |
|---|---|
| Dimensions (L × W × H) | 175.2 × 59.8 × 96.1 in (4450 × 1520 × 2440 mm) |
| Sound level | 68 dBA @ 23 ft (7 m) |
Battery
| Battery cranking | 1000 CCA |
|---|---|
| Battery quantity | 2 |
Fuel system and runtime
| Fuel tank | 616 gal (2, 331.8 L) |
|---|---|
| Tank runtime | 29 hr |
Disclaimer: Specifications should be verified against the official owner’s manual and confirmed on the Generac USA website.