HomeGeneracGenerac MG500

Generac MG500 Generator Set

The Generac MG500 is a 500 kW (625 kVA) Natural Gas standby generator set powered by a Generac K0500124Y23 engine. It is available at 120/208 V, 120/240 V, 277/480 V and 347/600 V, Three-Phase-phase and 60 Hz. It holds about 90 L (23.8 gal) of oil and 95 L (25.1 gal) of coolant, with a maximum ambient rating of 40 °C. The set measures 3923×1803×1702 mm (154.4×71.0×67.0 in) and weighs about 4206 kg (9273 lb).

500 kW
Standby
25.8 L
Displacement
90.0 L
Oil capacity
1
Document types

How to read your Generac serial & model number →

Specifications

FuelNatural Gas
Frequency60.0 Hz
Standby power500 kW
Standby kVA625
Prime power450 kW
EmissionsEPA Certified Stationary Emergency
ControllerPower Zone Pro Sync
Oil capacity90.0 L
AlternatorGenerac K0500124Y23
Voltage options120/208 V, 120/240 V, 277/480 V, 347/600 V
Phase3
Power factor0.8
Battery voltage24 V
Battery quantity2
Coolant capacity95 L
Max ambient40 °C
Dimensions (L×W×H)3923×1803×1702 mm
Dry weight4206 kg

Engine

Generac K0500124Y23
Oil capacity90.0 L
Displacement25.8 L
AspirationTurbocharged/Intercooled

Common questions

What is the power rating of the Generac MG500?

The Generac MG500 is rated 500 kW standby (625.0 kVA).

What engine does the Generac MG500 use?

The Generac MG500 is powered by the Generac K0500124Y23 engine.

What fuel does the Generac MG500 use?

The Generac MG500 runs on Natural Gas.

What is the oil capacity of the Generac MG500?

The Generac K0500124Y23 engine in the Generac MG500 has an oil capacity of 90.0 liters.

What alternator does the Generac MG500 use?

The Generac MG500 uses a Generac K0500124Y23 alternator.

Fuel consumption

RatingLoadL/hgal/h
Prime25%
Prime50%
Prime75%
Prime100%
Standby25%65.7
Standby50%100.5
Standby75%135.3
Standby100%170.0

Available documents

Spec sheet — Generac 500kW MG500 Gas Generator 25.8L (Generac)Spec sheet — generac-product-500kw-gaseous-mps-industrial-generator 0l5796a (Generac)Spec sheet — mg500-500kw-industrial-gaseous-generator-specsheet (Generac)