Specifications
| Fuel | Natural Gas or L.P. Vapor |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 20 kW |
| Controller | Complete engine monitoring system |
| Oil capacity | 3.8 L |
| Voltage options | 120/240 V |
| Phase | 1 |
| Rated current | 83.3 A |
| Power factor | 1.0 |
| Coolant capacity | 2 L |
| Max ambient | 122 °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 | Air cleaner | — | find | ||
| Fuel filter | Down draft carburetor with secondary fuel regulator for natural gas or L.P. vapor systems, hot water vaporizer for L.P. liquid withdrawal systems | — | find | ||
| Oil filter | Full flow, cartridge oil filter | — | find | ||
| Belt | Mainline circuit breaker | — | find | ||
| 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 | — |
Common questions
What is the power rating of the Generac Home Standby 20?
The Generac Home Standby 20 is rated 20 kW standby.
What engine does the Generac Home Standby 20 use?
The Generac Home Standby 20 is powered by the Generac MMC 4G15 engine.
What fuel does the Generac Home Standby 20 use?
The Generac Home Standby 20 runs on Natural Gas or L.P. Vapor.
What is the oil capacity of the Generac Home Standby 20?
The Generac MMC 4G15 engine in the Generac Home Standby 20 has an oil capacity of 3.8 liters.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 369.0 | 153.0 | |
| Standby | 265.0 | 110.0 |
Available documents
Spec sheet — 01683500EW (Generac)