The Generac SD040 compressor is listed with standby output of 40 kW, Diesel fuel, 60 Hz operation, 120/240 V, 120/208 V, 277/480 V, 346/600 V output, and sound level of 84 dBA @ 23 ft (7 m).
Generator • Diesel • 60 Hz
Key specifications
Visual model specs
Built only from this model’s supplied generator specifications.
40 kW
32 kW
1.85 gal
2.51 gal
How the Generac SD040 compares
This compares the supplied numeric specification with Generac generators in the same broad standby-power class where enough comparable data exists.
About 4% below the similar-output Generac average. Around the 41st percentile for this field.
About 7% below the similar-output Generac average. Around the 40th percentile for this field.
About 22% above the similar-output Generac average. Around the 98th percentile for this field.
Very close to the similar-output Generac average. Around the 71st percentile for this field.
Generator information
| Manufacturer | Generac |
|---|---|
| Model | SD040 |
| Generator type | Generator |
| Fuel | Diesel |
| Frequency | 60 Hz |
Electrical output
| Standby power | 40 kW |
|---|---|
| Prime power | 32 kW |
| Standby kVA | 50.0 |
| Voltage options | 120/240 V, 120/208 V, 277/480 V, 346/600 V |
Engine, cooling and controls
| Oil capacity | 1.85 gal (7 L) |
|---|---|
| Coolant capacity | 2.51 gal (9.5 L) |
| Maximum ambient | 110 °F (43 °C) |
| Controller | POWERZONE 410 |
| Alternator | 390mm |
| Emissions | Stationary Emergency |
Physical specifications
| Dry weight | 1, 711 lb (776 kg) |
|---|---|
| Dimensions (L × W × H) | 76 × 36 × 45 in (1930 × 914 × 1143 mm) |
| Sound level | 84 dBA @ 23 ft (7 m) |
Battery
| Battery group | 27F |
|---|---|
| Battery cranking | 700 or 925 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.