The Generac SD400 compressor is listed with standby output of 400 kW, Diesel fuel, 60 Hz operation, 120/208 V, 120/240 V, 277/480 V, 600 V output, and Three phase.
Generator • Diesel • 60 Hz • Three phase
Key specifications
Visual model specs
Built only from this model’s supplied generator specifications.
400 kW
300 kW
9.51 gal
17.04 gal
How the Generac SD400 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 53% below the similar-output Generac average. Around the 3rd percentile for this field.
About 49% below the similar-output Generac average. Around the 31st percentile for this field.
Generator information
| Manufacturer | Generac |
|---|---|
| Model | SD400 |
| Generator type | Generator |
| Fuel | Diesel |
| Frequency | 60 Hz |
Electrical output
| Standby power | 400 kW |
|---|---|
| Prime power | 300 kW |
| Standby kVA | 400.0 |
| Voltage options | 120/208 V, 120/240 V, 277/480 V, 600 V |
| Phase | Three phase |
| Power factor | 0.8 |
Engine, cooling and controls
| Oil capacity | 9.51 gal (36 L) |
|---|---|
| Coolant capacity | 17 gal (64.5 L) |
| Maximum ambient | 122 °F (50 °C) |
| Controller | PowerManager Digital Platform, PowerManager Digital Platform (PM-DCP) |
| Alternator | 520 (4-pole, Class H insulation) |
| Emissions | Tier III |
Physical specifications
| Dry weight | 6, 199 lb (2, 812 kg) |
|---|---|
| Dimensions (L × W × H) | 136 × 57.6 × 67 in (3455 × 1463 × 1701 mm) |
Battery
| Battery group | 8D |
|---|---|
| Battery cranking | 1155 CCA |
| Battery voltage | 24V V |
| Battery quantity | 2 |
Disclaimer: Specifications should be verified against the official owner’s manual and confirmed on the Generac USA website.