Specifications
| Fuel | LP |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 40 kW |
| Prime power | 32 kW |
| Controller | Home Standby Microprocessor Controls |
| Oil capacity | 4.25 L |
| Voltage options | 120/240 V |
| Phase | 1-phase |
| Power factor | 1 |
| Circuit breaker | 200 A |
| Battery group | 27F |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Coolant capacity | 21.2 L |
| Max ambient | 48.89 °C |
| Dry weight | 635 kg |
Engine
| Oil capacity | 4.55 L |
|---|---|
| Coolant capacity | 5.6 L |
| Displacement | 3.9 L |
| Aspiration | Naturally Aspirated |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Generac 3.9 GN| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Oil filter | Full flow, cartridge | — | |||
| Oil | Gear | — |
Common questions
What size generator is the Generac Home Standby - 40?
The Generac Home Standby - 40 is rated 40 kW standby.
What engine does the Generac Home Standby - 40 use?
The Generac Home Standby - 40 is powered by the Generac 3.9 GN engine.
What fuel type does the Generac Home Standby - 40 take?
The Generac Home Standby - 40 runs on LP.
What is the oil capacity of the Generac Home Standby - 40?
The Generac 3.9 GN engine in the Generac Home Standby - 40 has an oil capacity of 4.55 liters.
How much coolant does the Generac Home Standby - 40 hold?
The Generac Home Standby - 40 cooling system holds 21.2 liters (5.6 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the continuous rating of the Generac Home Standby - 40?
The Generac Home Standby - 40 is rated 32 kW prime, against 40 kW standby.
How much does the Generac Home Standby - 40 weigh?
The Generac Home Standby - 40 has a dry weight of 635 kg (1399 lb).
What voltages is the Generac Home Standby - 40 available in?
The Generac Home Standby - 40 is offered in 120/240 V, 1-phase-phase.
What battery does the Generac Home Standby - 40 use?
The Generac Home Standby - 40 uses 1 battery, 12 V each, group 27F, per the manufacturer specification sheet.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 100% | 18.17 | 4.8 |
| Standby | 100% | 22.33 | 5.9 |
Available documents
This page was generated from the 1 manufacturer document above by automated extraction; every figure shown is copied from one of them. How the data is compiled.