The Generac MD300 compressor is listed with standby output of 300 kW, Diesel fuel, 60 Hz operation, 120/208 V, 277/480 V, 346/600 V output, Three phase, rated current of 451 A, and sound level of 75 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.
300 kW
270 kW
7.93 gal
10.57 gal
How the Generac MD300 compares
This compares the supplied numeric specification with Generac generators in the same broad standby-power class where enough comparable data exists.
About 17% above the similar-output Generac average. Around the 69th percentile for this field.
About 36% below the similar-output Generac average. Around the 25th percentile for this field.
About 15% below the similar-output Generac average. Around the 39th percentile for this field.
About 7% below the similar-output Generac average. Around the 25th percentile for this field.
About 5% above the similar-output Generac average. Around the 36th percentile for this field.
Generator information
| Manufacturer | Generac |
|---|---|
| Model | MD300 |
| Generator type | Generator |
| Fuel | Diesel |
| Frequency | 60 Hz |
Electrical output
| Standby power | 300 kW |
|---|---|
| Prime power | 270 kW |
| Standby kVA | 375.0 |
| Voltage options | 120/208 V, 277/480 V, 346/600 V |
| Phase | Three phase |
| Rated current | 451 A |
| Power factor | 0.8 |
| Circuit breaker | 1000 A |
Engine, cooling and controls
| Oil capacity | 7.93 gal (30 L) |
|---|---|
| Coolant capacity | 10.6 gal (40 L) |
| Maximum ambient | 122 °F (50 °C) |
| Controller | Digital G, Digital G-200, PowerManager Digital Platform, PowerManager Digital Platform (PM-DCP) |
| Alternator | Generac 520 mm PMG |
| Emissions | Tier III |
Physical specifications
| Dry weight | 5, 816 lb (2, 638 kg) |
|---|---|
| Dimensions (L × W × H) | 136 × 58 × 68 in (3454 × 1473 × 1727 mm) |
| Sound level | 75 dBA @ 23 ft (7 m) |
Battery
| Battery group | 27 F |
|---|---|
| Battery cranking | 700 CCA |
| Battery voltage | 12 V |
| Battery quantity | 2 |
Fuel system and runtime
| Fuel tank | 95.1 gal (360 L) |
|---|
Disclaimer: Specifications should be verified against the official owner’s manual and confirmed on the Generac USA website.