HomeGeneracGenerac MG500

Generac MG500 Generator Set

The Generac MG500 is a 500 kW (625 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, 3-phase, 60 Hz and rated 1 A. It holds about 90 L (23.8 gal) of oil and 20.5 L (5.4 gal) of coolant, with a maximum ambient rating of 40 °C. Starting uses 2 group-161970 batteries at 12 V. The set measures 3923×1803×1794 mm (154.4×71.0×70.6 in), weighs about 4417 kg (9738 lb) and produces N/A dBA at N/A m. An integrated tank holds N/A L (None gal), roughly N/A hours of runtime.

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

How to read your Generac serial & model number →

Typical fuel consumption for 500–505 kW Natural Gas generators →

Compare with other 500–505 kW Natural Gas generators →

Specifications

FuelNatural Gas
Frequency60.0 Hz
Standby power500 kW
Standby kVA625
Prime power450 kW
EmissionsEPA Certified
ControllerDigital G
Oil capacity90.0 L
AlternatorWEG Standard
Voltage options120/208 V, 120/240 V, 277/480 V, 346/600 V
PhaseThree-Phase
Rated current1,735 A
Power factor0.8
Circuit breaker1,735 A
Battery group0161970SBY
Battery voltage12 VDC V
Battery quantity2
Coolant capacity20.5 L
Max ambient40 °C
Dimensions (L×W×H)3923×1803×1794 mm
Dry weight4417 kg
Tank runtimeN/A 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 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 V12 engine.

What fuel type does the Generac MG500 take?

The Generac MG500 runs on Natural Gas.

How much oil does the Generac MG500 take?

The Generac V12 engine in the Generac MG500 has an oil capacity of 90.0 liters.

What is the cooling system capacity of the Generac MG500?

The Generac MG500 cooling system holds 20.5 liters (5.4 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

What is the continuous rating of the Generac MG500?

The Generac MG500 is rated 450 kW prime (563 kVA), against 500 kW standby.

How much does the Generac MG500 weigh?

The Generac MG500 has a dry weight of 4417 kg (9737 lb).

What voltages is the Generac MG500 available in?

The Generac MG500 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 MG500 require?

The Generac MG500 uses 2 batteryies, 12 VDC V each, group 0161970SBY, per the manufacturer specification sheet.

What alternator comes on the Generac MG500?

The Generac MG500 uses a WEG Standard alternator.

Fuel consumption

RatingLoadL/hgal/h
Prime100%5.0148.3
Standby100%5.0164.8

Available documents

Spec sheet — Generac 500kW MG500 Gas Generator 25.8L (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.