Specifications
| Fuel | Natural Gas or L.P. Vapor |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 20 kW |
| Standby kVA | 39 |
| Prime power | 15 kW |
| Controller | Solid-state |
| Oil capacity | 3.8 L |
| Alternator | MMC 4G15 (2-pole, Class Class F insulation) |
| Voltage options | 120/240 V |
| Phase | 1 |
| Rated current | 83.3 A |
| Power factor | 1.0 |
| Circuit breaker | 100 A |
| Battery group | 1 |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Coolant capacity | 7.5 L |
Engine
| Oil capacity | 3.79 L |
|---|---|
| Coolant capacity | 7.57 L |
| Displacement | 1.468 L |
| Aspiration | naturally aspirated |
Maintenance & consumables
for the Mitsubishi 4G15| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Air cleaner service | — | 500 hr | ||
| Fuel filter | Secondary Fuel Regulator | — | |||
| Oil filter | Engine oil filter | — | 150 hr | ||
| Battery | 12 V, 75 A.H., 26F | — | |||
| Belt | Flexible Fuel Line | — | |||
| Coolant | 50/50 low silicate ethylene glycol base antifreeze and soft water | — | |||
| Oil | High quality detergent oil SC/SD/SE/SF rated | — | 150 hr | ||
| Spark plug | Battery Cables | — |
Common questions
What size generator is the Generac Home Standby-20?
The Generac Home Standby-20 is rated 20 kW standby (39.0 kVA).
What engine is in the Generac Home Standby-20?
The Generac Home Standby-20 is powered by the Mitsubishi 4G15 engine.
What fuel does the Generac Home Standby-20 use?
The Generac Home Standby-20 runs on Natural Gas or L.P. Vapor.
How much oil does the Generac Home Standby-20 take?
The Mitsubishi 4G15 engine in the Generac Home Standby-20 has an oil capacity of 3.79 liters.
What is the cooling system capacity of the Generac Home Standby-20?
The Generac Home Standby-20 cooling system holds 7.5 liters (2.0 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the continuous rating of the Generac Home Standby-20?
The Generac Home Standby-20 is rated 15 kW prime (39 kVA), against 20 kW standby.
What voltages is the Generac Home Standby-20 available in?
The Generac Home Standby-20 is offered in 120/240 V, 1-phase.
What battery does the Generac Home Standby-20 use?
The Generac Home Standby-20 uses 1 battery, 12 V each, group 1, per the manufacturer specification sheet.
What alternator does the Generac Home Standby-20 use?
The Generac Home Standby-20 uses a MMC 4G15 alternator. It has 2 poles. Insulation class Class F.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 100% | 204.0 | 85.0 |
| Standby | 100% | 265.0 | 110.0 |
Available documents
This page was generated from the 2 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.