Specifications
| Fuel | Natural Gas |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 125 kW |
| Oil capacity | 7.57 L |
| Voltage options | 120/240 V, 120/208 V, 277/480 V, 600 V |
| Battery group | 27F |
| Battery voltage | 12 V V |
| Battery quantity | 1 |
| Coolant capacity | 37.1 L |
| Max ambient | 25 °C |
| Dry weight | 1088 kg |
Engine
| Oil capacity | 7.57 L |
|---|---|
| Coolant capacity | 7.6 L |
| Displacement | 8.1 L |
| Aspiration | Turbo / Aftercooled |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Generac 8.1 GN| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Oil filter | Spin-on, Full flow, cartridge | — | find |
Common questions
What is the power rating of the Generac SG125?
The Generac SG125 is rated 125 kW standby.
What engine does the Generac SG125 use?
The Generac SG125 is powered by the Generac 8.1 GN engine.
What fuel does the Generac SG125 use?
The Generac SG125 runs on Natural Gas.
What is the oil capacity of the Generac SG125?
The Generac 8.1 GN engine in the Generac SG125 has an oil capacity of 7.57 liters.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Standby | 25% | ||
| Standby | 50% | ||
| Standby | 75% | ||
| Standby | 100% |
Available documents
Brochure — 0166950SBY (Generac)Spec sheet — 0167660SBY (Generac)