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Home›Generac›Generac G250LG4

Generac G250LG4 Generator Set

The Generac G250LG4 is a 250 kW (313 kVA) Natural Gas standby generator set powered by a Generac LG Series engine. It is available at 120/208 V, 120/240 V, 277/480 V and 346/600 V, 3-phase, 60 Hz and rated 867 A. It holds about 34.3 L (9.1 gal) of oil and 71.9 L (19.0 gal) of coolant, with a maximum ambient rating of 40 °C. The set measures 3524.1×1463.1×1728.3 mm (138.7×57.6×68.0 in), weighs about 2887 kg (6365 lb) and produces 85.6 dBA at 7 m.

250 kW
Standby
12.88 L
Displacement
34.3 L
Oil capacity
1
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Specifications

FuelNatural Gas
Frequency60.0 Hz
Standby power250 kW
Standby kVA313
Prime power225 kW
ControllerDigital H Control Panel - Dual 4x20 Display
Oil capacity34.3 L
Alternator520
Voltage options120/208 V, 120/240 V, 277/480 V, 346/600 V
PhaseThree-Phase
Rated current867 A
Power factor0.8
Battery voltage24 V
Battery quantity2
Coolant capacity71.9 L
Max ambient40 °C
Dimensions (L×W×H)3524×1463×1728 mm
Dry weight2887 kg
Sound level85.6 dBA @ 7 m

Engine

Generac LG Series
Oil capacity34.3 L
Coolant capacity71.9 L
Displacement12.88 L
AspirationTurbocharged/Aftercooled
Rated speed1800 rpm

Common questions

How many kW is the Generac G250LG4?

The Generac G250LG4 is rated 250 kW standby (313.0 kVA).

What engine is in the Generac G250LG4?

The Generac G250LG4 is powered by the Generac LG Series engine.

What fuel does the Generac G250LG4 use?

The Generac G250LG4 runs on Natural Gas.

How much oil does the Generac G250LG4 take?

The Generac LG Series engine in the Generac G250LG4 has an oil capacity of 34.3 liters.

What is the cooling system capacity of the Generac G250LG4?

The Generac G250LG4 cooling system holds 71.9 liters (19.0 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

What is the continuous rating of the Generac G250LG4?

The Generac G250LG4 is rated 225 kW prime (281 kVA), against 250 kW standby.

How loud is the Generac G250LG4?

The Generac G250LG4 is rated at 85.6 dBA at 7 m, per the manufacturer specification sheet.

What is the dry weight of the Generac G250LG4?

The Generac G250LG4 has a dry weight of 2887 kg (6364 lb).

What voltages is the Generac G250LG4 available in?

The Generac G250LG4 is offered in 120/208 V, 120/240 V, 277/480 V, 346/600 V, Three-Phase-phase.

How many cold cranking amps does the Generac G250LG4 require?

The Generac G250LG4 uses 2 batteryies, 24 V each, per the manufacturer specification sheet.

What alternator does the Generac G250LG4 use?

The Generac G250LG4 uses a 520 alternator.

Fuel consumption

RatingLoadL/hgal/h
Standby25%1044.029.6
Standby50%191.9250.7
Standby75%258.9268.4
Standby100%319.8784.5

Available documents

Spec sheet — Olympian G250LG4 12.9L (Generac)

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.