HomeGeneracGenerac G150LG4

Generac G150LG4 Generator Set

The Generac G150LG4 is a 150 kW (188 kVA) Natural Gas standby generator set powered by a Generac G150LG4 engine. It is available at 120/240 V, 120/208 V, 277/480 V and 346/600 V, Three-Phase-phase, 60 Hz and rated 625 A. It holds about 34.3 L (9.1 gal) of oil and 23.1 L (6.1 gal) of coolant, with a maximum ambient rating of 43.3 °C. The set measures 3250×1344.5×1711.2 mm (128.0×52.9×67.4 in), weighs about 2610.9 kg (5756 lb) and produces 81.1 dBA at 7 m.

150 kW
Standby
12.88 L
Displacement
34.3 L
Oil capacity
1
Document types

How to read your Generac serial & model number →

Compare with other 150–155 kW Natural Gas generators →

Specifications

FuelNatural Gas
Frequency60.0 Hz
Standby power150 kW
Standby kVA188
Prime power135 kW
ControllerDigital H Control Panel - Dual 4x20 Display
Oil capacity34.3 L
AlternatorGenerac 520
Voltage options120/240 V, 120/208 V, 277/480 V, 346/600 V
PhaseThree-Phase
Rated current625 A
Battery voltage24 V
Battery quantity2
Coolant capacity23.1 L
Max ambient43.3 °C
Dimensions (L×W×H)3250×1344×1711 mm
Dry weight2610 kg
Sound level81.1 dBA @ 7 m

Engine

Generac G150LG4
Oil capacity34.3 L
Coolant capacity23.1 L
Displacement12.88 L
AspirationTurbocharged/Aftercooled
Rated speed1800 rpm

Common questions

What is the power rating of the Generac G150LG4?

The Generac G150LG4 is rated 150 kW standby (188.0 kVA).

What engine does the Generac G150LG4 use?

The Generac G150LG4 is powered by the Generac G150LG4 engine.

What fuel does the Generac G150LG4 use?

The Generac G150LG4 runs on Natural Gas.

What is the oil capacity of the Generac G150LG4?

The Generac G150LG4 engine in the Generac G150LG4 has an oil capacity of 34.3 liters.

What alternator does the Generac G150LG4 use?

The Generac G150LG4 uses a Generac 520 alternator.

Available documents

Spec sheet — Olympian G150LG4 12.9L (Generac)