Specifications
| Fuel | #2D Fuel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 8 kW |
| Prime power | 6 kW |
| Oil capacity | 3.5 L |
| Voltage options | 120/240 V |
| Phase | 1-phase |
| Rated current | 33 A |
| Power factor | 1 |
| Battery group | 26F |
| Battery voltage | 12 V |
| Coolant capacity | 6.6 L |
| Max ambient | 43.3 °C |
| Dry weight | 555 kg |
| Sound level | 68.0 dBA @ 7 m |
| Fuel tank | 185.5 L |
Engine
| Oil capacity | 3.5 L |
|---|---|
| Coolant capacity | 2.8 L |
| Displacement | 0.954 L |
| Aspiration | Naturally Aspirated |
| Rated speed | 1800 rpm |
Common questions
What is the power rating of the Generac GR8?
The Generac GR8 is rated 8 kW standby.
What engine is in the Generac GR8?
The Generac GR8 is powered by the ISM 1.0 DN engine.
What kind of fuel does the Generac GR8 run on?
The Generac GR8 runs on #2D Fuel.
What's the oil capacity on a Generac GR8?
The ISM 1.0 DN engine in the Generac GR8 has an oil capacity of 3.5 liters.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 25% | 1.0 | 0.28 |
| Prime | 50% | 1.6 | 0.42 |
| Prime | 75% | 1.9 | 0.5 |
| Prime | 100% | 2.5 | 0.67 |
| Standby | 25% | 1.3 | 0.35 |
| Standby | 50% | 2.0 | 0.52 |
| Standby | 75% | 2.4 | 0.63 |
| Standby | 100% | 3.2 | 0.84 |
Available documents
Spec sheet — 0162990SBY (Generac)