Specifications
| Fuel | Natural Gas or L.P. Vapor |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 25 kW |
| Controller | Home standby control console with overcrank, overspeed, low oil pressure and high coolant temperature shutdowns |
| Oil capacity | 3.8 L |
| Voltage options | 120/240 V |
| Phase | 1 |
| Rated current | 104 A |
| Power factor | 1.0 |
| Battery quantity | 1 |
| Coolant capacity | 2 L |
| Max ambient | 50 °C |
| Dry weight | 860 kg |
Engine
| Oil capacity | 3.8 L |
|---|---|
| Coolant capacity | 0.9 L |
| Displacement | 1.5 L |
| Aspiration | Naturally Aspirated |
| Rated speed | 3600 rpm |
Maintenance & consumables
for the Generac MMC 4G15| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | N.G./L.P. | — | 100 hr | ||
| Fuel filter | N.G./L.P. | — | 100 hr | ||
| Oil filter | N.G./L.P. | — | 100 hr | ||
| Battery | N.G./L.P. | — | 100 hr | ||
| Belt | N.G./L.P. | — | 100 hr | ||
| Coolant | Cooling system with coolant capacity of 2 US gallons, radiator capacity of 1.75 US gallons, and coolant flow rate of 10.6 US gallons per minute | — | |||
| Oil | Gear type oil pump, full flow, cartridge oil filter | 3.8 L | — | ||
| Spark plug | N.G./L.P. | — | 1000 hr |
Common questions
What is the power rating of the Generac EXPRESS SERIES?
The Generac EXPRESS SERIES is rated 25 kW standby.
What engine is in the Generac EXPRESS SERIES?
The Generac EXPRESS SERIES is powered by the Generac MMC 4G15 engine.
What kind of fuel does the Generac EXPRESS SERIES run on?
The Generac EXPRESS SERIES runs on Natural Gas or L.P. Vapor.
How much oil does the Generac EXPRESS SERIES take?
The Generac MMC 4G15 engine in the Generac EXPRESS SERIES has an oil capacity of 3.8 liters.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 442.0 | 116.76 | |
| Standby | 183.0 | 48.34 |
Available documents
Spec sheet — 01683700EW (Generac)