HomeGeneracGenerac Home Standby - 45

Generac Home Standby - 45 Generator Set

The Generac Home Standby - 45 is a 45 kW LP standby generator set powered by a Generac 4.3GN engine. It is available at 120/240 V, 1-phase, 60 Hz and rated 375 A. It holds about 4.25 L (1.1 gal) of oil and 17 L (4.5 gal) of coolant, with a maximum ambient rating of 43 °C. Starting uses 1 group-27 battery at 12 V. The set weighs about 952.54 kg (2100 lb).

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

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Specifications

FuelLP
Frequency60.0 Hz
Standby power45 kW
Prime power36 kW
ControllerHome Standby Microprocessor Controls
Oil capacity4.25 L
Voltage options120/240 V
Phase1-phase
Rated current375 A
Power factor1.0
Circuit breaker200 A
Battery group27F
Battery voltage12 V
Battery quantity1
Coolant capacity17.0 L
Max ambient43.0 °C
Dry weight952 kg

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 - 45?

The Generac Home Standby - 45 is rated 45 kW standby.

What engine does the Generac Home Standby - 45 use?

The Generac Home Standby - 45 is powered by the Generac 4.3GN engine.

What fuel does the Generac Home Standby - 45 use?

The Generac Home Standby - 45 runs on LP.

What is the oil capacity of the Generac Home Standby - 45?

The Generac 4.3GN engine in the Generac Home Standby - 45 has an oil capacity of 4.25 liters.

Fuel consumption

RatingLoadL/hgal/h
Prime100%6.4
Standby100%7.2

Available documents

Spec sheet — 0162200SBY (Generac)