The Generac SG040 compressor is listed with standby output of 40 kW, Natural Gas, Propane Vapor fuel, 60 Hz operation, and 120/240 V, 120/208 V, 277/480 V, 346/600 V output.
Generator • Natural Gas, Propane Vapor • 60 Hz
Key specifications
Visual model specs
Built only from this model’s supplied generator specifications.
40 kW
33 kW
1.51 gal
5.79 gal
How the Generac SG040 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 15% below the similar-output Generac average. Around the 29th percentile for this field.
About 18% below the similar-output Generac average. Around the 46th percentile for this field.
Generator information
| Manufacturer | Generac |
|---|---|
| Model | SG040 |
| Generator type | Generator |
| Fuel | Natural Gas, Propane Vapor |
| Frequency | 60 Hz |
Electrical output
| Standby power | 40 kW |
|---|---|
| Prime power | 33 kW |
| Standby kVA | 50.0 |
| Voltage options | 120/240 V, 120/208 V, 277/480 V, 346/600 V |
| Power factor | 0.8 |
Engine, cooling and controls
| Oil capacity | 1.51 gal (5.7 L) |
|---|---|
| Coolant capacity | 5.79 gal (21.9 L) |
| Maximum ambient | 120 °F (49 °C) |
| Controller | H-100 |
| Alternator | Generac 390 mm (4-pole, Class H insulation) |
| Emissions | EPA Certified Stationary Emergency |
Physical specifications
| Dry weight | 1, 574 lb (714 kg) |
|---|---|
| Dimensions (L × W × H) | 76 × 37.4 × 46.3 in (1930 × 950 × 1176 mm) |
Battery
| Battery group | 27F |
|---|---|
| Battery cranking | 525/700/925CCA CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
Disclaimer: Specifications should be verified against the official owner’s manual and confirmed on the Generac USA website.