The Generac MB300 compressor is listed with standby output of 300 kW, Bi-Fuel fuel, 60 Hz operation, 120/208 V, 277/480 V, 345/600 V output, and Three phase.
Generac Generator Specifications
Generator • Bi-Fuel • 60 Hz • Three phase
Standby power: 300 kWVoltage: 120/208 V, 277/480 V, 345/600 V
Key specifications
300 kWStandby power
Bi-FuelFuel
120/208 V, 277/480 V, 345/600 VVoltage
Three phasePhase
60 HzFrequency
Visual model specs
Built only from this model’s supplied generator specifications.
Fluid capacities
Low 8.19 gal High 10.6 gal
Oil
8.19 gal
Coolant
10.6 gal
How the Generac MB300 compares
This compares the supplied numeric specification with Generac generators in the same broad standby-power class where enough comparable data exists.
Standby power
300 kW
17% above avg
69th percentile
Oil capacity
8.19 gal
9% above avg
49th percentile
Standby power300 kW
Low 150 kWAverage 255.7 kWHigh 375 kW
About 17% above the similar-output Generac average. Around the 69th percentile for this field.
Oil capacity8.19 gal
Low 1.25 galAverage 7.51 galHigh 9.51 gal
About 9% above the similar-output Generac average. Around the 49th percentile for this field.
This model Peer average
Generator information
| Manufacturer | Generac |
|---|---|
| Model | MB300 |
| Generator type | Generator |
| Fuel | Bi-Fuel |
| Frequency | 60 Hz |
Electrical output
| Standby power | 300 kW |
|---|---|
| Voltage options | 120/208 V, 277/480 V, 345/600 V |
| Phase | Three phase |
| Power factor | 0.8 |
Engine, cooling and controls
| Oil capacity | 8.19 gal (31 L) |
|---|---|
| Coolant capacity | 10.6 gal (40.1 L) |
| Maximum ambient | 122 °F (50 °C) |
| Controller | PowerManager Digital Platform |
Disclaimer: Specifications should be verified against the official owner’s manual and confirmed on the Generac USA website.