HomeGeneracGenerac MG Series

Generac MG Series Generator Set

The Generac MG Series is a 350 kW (438 kVA) Natural Gas standby generator set powered by a Generac V12 engine. It is available at 120/208 V, 120/240 V, 277/480 V and 346/600 V, Three-Phase-phase, 60 Hz and rated 1216 A. It holds about 30 L (7.9 gal) of oil and 87 L (23.0 gal) of coolant, with a maximum ambient rating of 40 °C. Starting uses 2 group-2 batteries at 12 V. The set measures 3923×1803×1702 mm (154.4×71.0×67.0 in), weighs about 3823 kg (8428 lb) and produces 93 dBA at 23 m. An integrated tank holds Not specified L (None gal), roughly Not specified hours of runtime.

350 kW
Standby
21.9 L
Displacement
30.0 L
Oil capacity
1
Document types

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Specifications

FuelNatural Gas
Frequency60.0 Hz
Standby power350 kW
Standby kVA438
Prime power315 kW
EmissionsEPA Certified
ControllerDigital G-200
Oil capacity30.0 L
AlternatorGenerac 520
Voltage options120/208 V, 120/240 V, 277/480 V, 346/600 V
PhaseThree-Phase
Rated current1216 A
Power factor0.8
Circuit breaker1216 A
Battery group2
Battery voltage12 VDC V
Battery quantity2
Coolant capacity87 L
Max ambient40 °C
Dimensions (L×W×H)3923×1803×1702 mm
Dry weight3823 kg
Sound level93.0 dBA @ 23 m
Tank runtimeNot specified hr

Engine

Generac V12
Oil capacity90.0 L
Coolant capacity87.0 L
Displacement21.9 L
AspirationTurbocharged/Aftercooled
Rated speed1800 rpm

Common questions

What is the power rating of the Generac MG Series?

The Generac MG Series is rated 350 kW standby (438.0 kVA).

What engine does the Generac MG Series use?

The Generac MG Series is powered by the Generac V12 engine.

What fuel does the Generac MG Series use?

The Generac MG Series runs on Natural Gas.

What is the oil capacity of the Generac MG Series?

The Generac V12 engine in the Generac MG Series has an oil capacity of 90.0 liters.

What alternator does the Generac MG Series use?

The Generac MG Series uses a Generac 520 alternator.

Parts

1
Part #DescriptionQtySystem
MG400Generac MG400 kW natural gas paralleled generator8Service part / kit PartsGeek

Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Fuel consumption

RatingLoadL/hgal/h
Standby25%1732.049.0
Standby50%2598.073.6
Standby75%3463.098.1
Standby100%4328.0122.6

Available documents

Spec sheet — 0k7656c-mg350-21-9l-60hz (Generac)