The Generac QT040 compressor is listed with standby output of 40 kW, NG/LPV fuel, 60 Hz operation, 120/240 V, 120/208 V, 277/480 V output, Single phase / Three, and sound level of 73 dBA @ 23 ft (7 m).
Generator • NG/LPV • 60 Hz • Single phase / Three
Key specifications
Visual model specs
Built only from this model’s supplied generator specifications.
1 gal
3 gal
How the Generac QT040 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 6% above the similar-output Generac average. Around the 72nd percentile for this field.
About 46% below the similar-output Generac average. Around the 5th percentile for this field.
Generator information
| Manufacturer | Generac |
|---|---|
| Model | QT040 |
| Generator type | Generator |
| Fuel | NG/LPV |
| Frequency | 60 Hz |
Electrical output
| Standby power | 40 kW |
|---|---|
| Voltage options | 120/240 V, 120/208 V, 277/480 V |
| Phase | Single phase / Three |
Engine, cooling and controls
| Oil capacity | 1 gal (3.8 L) |
|---|---|
| Coolant capacity | 3 gal (11.4 L) |
| Maximum ambient | 122 °F (50 °C) |
| Controller | R100 |
Physical specifications
| Sound level | 73 dBA @ 23 ft (7 m) |
|---|
Battery
| Battery group | 24F |
|---|---|
| Battery cranking | 525 CCA |
| Battery voltage | 12 V |
Disclaimer: Specifications should be verified against the official owner’s manual and confirmed on the Generac USA website.