The Generac SD300 compressor is listed with standby output of 300 kW, Diesel fuel, 60 Hz operation, 120/208 V, 120/240 V, 277/480 V, 346/600 V output, Three phase, and sound level of 89 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
8.19 gal
10.57 gal
How the Generac SD300 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 18% below the similar-output Generac average. Around the 28th percentile for this field.
About 10% above the similar-output Generac average. Around the 80th percentile for this field.
About 9% above the similar-output Generac average. Around the 49th percentile for this field.
Generator information
| Manufacturer | Generac |
|---|---|
| Model | SD300 |
| Generator type | Generator |
| Fuel | Diesel |
| Frequency | 60 Hz |
Electrical output
| Standby power | 300 kW |
|---|---|
| Prime power | 270 kW |
| Standby kVA | 300.0 |
| Voltage options | 120/208 V, 120/240 V, 277/480 V, 346/600 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 L) |
| Maximum ambient | 122 °F (50 °C) |
| Controller | PowerManager Digital Platform |
| Alternator | Generac 520 mm Generac (4-pole, Class H insulation) |
| Emissions | Tier III |
Physical specifications
| Dry weight | 5, 600 lb (2, 540 kg) |
|---|---|
| Dimensions (L × W × H) | 136 × 57.6 × 67 in (3455 × 1463 × 1701 mm) |
| Sound level | 89 dBA @ 23 ft (7 m) |
Battery
| Battery group | 31 |
|---|---|
| Battery cranking | 1155 CCA |
| Battery voltage | 12V V |
| Battery quantity | 2 |
Fuel system and runtime
| Fuel tank | 6.36 gal (24.1 L) |
|---|
Disclaimer: Specifications should be verified against the official owner’s manual and confirmed on the Generac USA website.