The Generac XG04045 compressor is listed with standby output of 40 kW, NG/LP fuel, 60 Hz operation, 120/240 V, 208/120 V, 240/120 V, 480/277 V output, Single phase / Three phase, rated current of 167 / 139 / 120 / 60 A, and sound level of 64 dBA @ 23 ft (7 m).
Generator • NG/LP • 60 Hz • Single phase / Three phase
Key specifications
Visual model specs
Built only from this model’s supplied generator specifications.
40 kW
40 kW
2.91 gal
2.91 gal
How the Generac XG04045 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 16th percentile for this field.
About 58% above the similar-output Generac average. Around the 86th percentile for this field.
Generator information
| Manufacturer | Generac |
|---|---|
| Model | XG04045 |
| Generator type | Generator |
| Fuel | NG/LP |
| Frequency | 60 Hz |
Electrical output
| Standby power | 40 kW |
|---|---|
| Prime power | 40 kW |
| Voltage options | 120/240 V, 208/120 V, 240/120 V, 480/277 V |
| Phase | Single phase / Three phase |
| Rated current | 167 / 139 / 120 / 60 A |
| Circuit breaker | 200 A |
Engine, cooling and controls
| Oil capacity | 2.91 gal (11 L) |
|---|---|
| Coolant capacity | 2.91 gal (11 L) |
| Maximum ambient | 122 °F (50 °C) |
| Controller | POWERZONE 410 |
Physical specifications
| Sound level | 64 dBA @ 23 ft (7 m) |
|---|
Battery
| Battery group | 27R |
|---|---|
| Battery cranking | 725 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.