The Generac SD250 compressor is listed with standby output of 250 kW, Diesel fuel, 60 Hz operation, 120/208 V, 120/240 V, 277/480 V, 600 V output, Three phase, and sound level of 87 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.
250 kW
225 kW
7.4 gal
13 gal
How the Generac SD250 compares
This compares the supplied numeric specification with Generac generators in the same broad standby-power class where enough comparable data exists.
Very close to the similar-output Generac average. Around the 46th percentile for this field.
About 38% below the similar-output Generac average. Around the 14th percentile for this field.
About 7% above the similar-output Generac average. Around the 75th percentile for this field.
Very close to the similar-output Generac average. Around the 26th percentile for this field.
Generator information
| Manufacturer | Generac |
|---|---|
| Model | SD250 |
| Generator type | Generator |
| Fuel | Diesel |
| Frequency | 60 Hz |
Electrical output
| Standby power | 250 kW |
|---|---|
| Prime power | 225 kW |
| Standby kVA | 313.0 |
| 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 | 7.4 gal (28 L) |
|---|---|
| Coolant capacity | 13 gal (49.2 L) |
| Maximum ambient | 122 °F (50 °C) |
| Controller | H100 Digital |
| Alternator | 520 (4-pole, Class H insulation) |
| Emissions | Tier III |
Physical specifications
| Dry weight | 4, 246 lb (1, 926 kg) |
|---|---|
| Dimensions (L × W × H) | 128 × 53.4 × 57.5 in (3250 × 1357 × 1460 mm) |
| Sound level | 87 dBA @ 23 ft (7 m) |
Battery
| Battery group | 31 |
|---|---|
| Battery cranking | 995 CCA |
| Battery voltage | 12 VDC V |
| Battery quantity | 2 |
Disclaimer: Specifications should be verified against the official owner’s manual and confirmed on the Generac USA website.