The Generac SG045 compressor is listed with standby output of 45 kW, Natural Gas, Propane Vapor fuel, 60 Hz operation, 120/240 V, 120/208 V, 277/480 V, 346/600 V output, Single-Phase / Three phase, and sound level of 80 dBA @ 23 ft (7 m).
Generator • Natural Gas, Propane Vapor • 60 Hz • Single-Phase / Three phase
Key specifications
Visual model specs
Built only from this model’s supplied generator specifications.
45 kW
41 kW
1.51 gal
3 gal
How the Generac SG045 compares
This compares the supplied numeric specification with Generac generators in the same broad standby-power class where enough comparable data exists.
About 8% above the similar-output Generac average. Around the 58th percentile for this field.
About 15% below the similar-output Generac average. Around the 29th percentile for this field.
About 16% above the similar-output Generac average. Around the 95th percentile for this field.
About 18% below the similar-output Generac average. Around the 46th percentile for this field.
Generator information
| Manufacturer | Generac |
|---|---|
| Model | SG045 |
| Generator type | Generator |
| Fuel | Natural Gas, Propane Vapor |
| Frequency | 60 Hz |
Electrical output
| Standby power | 45 kW |
|---|---|
| Prime power | 41 kW |
| Standby kVA | 56.0 |
| Voltage options | 120/240 V, 120/208 V, 277/480 V, 346/600 V |
| Phase | Single-Phase / Three phase |
| Power factor | 0.8 |
Engine, cooling and controls
| Oil capacity | 1.51 gal (5.7 L) |
|---|---|
| Coolant capacity | 3 gal (11.4 L) |
| Maximum ambient | 122 °F (50 °C) |
| Controller | H-100, Power Zone Pro |
| 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) |
| Sound level | 80 dBA @ 23 ft (7 m) |
Battery
| Battery group | 24/27/31 |
|---|---|
| Battery cranking | 525/700/925CCA CCA |
| Battery voltage | 12 VDC V |
| Battery quantity | 1 |
Disclaimer: Specifications should be verified against the official owner’s manual and confirmed on the Generac USA website.