HomeGeneracGenerac Home Standby 40

Generac Home Standby 40 Generator Set

The Generac Home Standby 40 is a 40 kW (40 kVA) Natural Gas or LP standby generator set powered by a Generac 4.3GN engine. It is available at 120/240 V, 1-phase, 60 Hz and rated 166 A. It holds about 4.25 L (1.1 gal) of oil and 17 L (4.5 gal) of coolant. Starting uses 1 group-27 battery at 12 V.

40 kW
Standby
4.3 L
Displacement
4.25 L
Oil capacity
1
Document types

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Specifications

FuelNatural Gas or LP
Frequency60.0 Hz
Standby power40 kW
Standby kVA40
Prime power33 kW
ControllerElectronic
Oil capacity4.25 L
Voltage options120/240 V
Phase1
Rated current166 A
Power factor1.0
Battery group27F
Battery voltage12 V
Battery quantity1
Coolant capacity17 L

Engine

Generac 4.3GN
Oil capacity4.25 L
Coolant capacity17.0 L
Displacement4.3 L
AspirationNaturally Aspirated
Rated speed1800 rpm

Common questions

What is the power rating of the Generac Home Standby 40?

The Generac Home Standby 40 is rated 40 kW standby (40.0 kVA).

What engine does the Generac Home Standby 40 use?

The Generac Home Standby 40 is powered by the Generac 4.3GN engine.

What fuel does the Generac Home Standby 40 use?

The Generac Home Standby 40 runs on Natural Gas or LP.

What is the oil capacity of the Generac Home Standby 40?

The Generac 4.3GN engine in the Generac Home Standby 40 has an oil capacity of 4.25 liters.

Available documents

Spec sheet — 0166610SBY (Generac)