The Generac MD400 compressor is listed with standby output of 400 kW, Diesel fuel, 60 Hz operation, 277/480 V, 600 V output, Three phase, and rated current of 602 A.
Generator • Diesel • 60 Hz • Three phase
Key specifications
Visual model specs
Built only from this model’s supplied generator specifications.
400 kW
360 kW
10.04 gal
13 gal
How the Generac MD400 compares
This compares the supplied numeric specification with Generac generators in the same broad standby-power class where enough comparable data exists.
About 33% below the similar-output Generac average. Around the 7th percentile for this field.
About 56% below the similar-output Generac average. Around the 12th percentile for this field.
About 49% below the similar-output Generac average. Around the 8th percentile for this field.
About 46% below the similar-output Generac average. Around the 35th percentile for this field.
Generator information
| Manufacturer | Generac |
|---|---|
| Model | MD400 |
| Generator type | Generator |
| Fuel | Diesel |
| Frequency | 60 Hz |
Electrical output
| Standby power | 400 kW |
|---|---|
| Prime power | 360 kW |
| Standby kVA | 500.0 |
| Voltage options | 277/480 V, 600 V |
| Phase | Three phase |
| Rated current | 602 A |
| Power factor | 0.8 |
| Circuit breaker | 700 A |
Engine, cooling and controls
| Oil capacity | 10 gal (38 L) |
|---|---|
| Coolant capacity | 13 gal (49.2 L) |
| Maximum ambient | 104 °F (40 °C) |
| Controller | Digital G-200, PowerManager Digital Platform, PowerManager Digital Platform (PM-DCP) |
| Alternator | Generac 520 mm PMG |
| Emissions | EPA Certiï¬ed Stationary Emergency |
Physical specifications
| Dry weight | 6, 649 lb (3, 016 kg) |
|---|---|
| Dimensions (L × W × H) | 137.5 × 57.6 × 67.8 in (3493 × 1463 × 1721 mm) |
Battery
| Battery group | 8D |
|---|---|
| Battery cranking | 1155 CCA |
| Battery voltage | 12VDC V |
| Battery quantity | 2 |
Disclaimer: Specifications should be verified against the official owner’s manual and confirmed on the Generac USA website.