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Generac MMG465 Generator Set

The Generac MMG465 is a 408 kW (510 kVA) diesel standby generator set powered by a John Deere RG6135HF485 engine. It is available at 120/208 V and 277/480 V, 3-phase and 60 Hz. It holds 90.4 L (23.9 gal) of coolant, with a maximum ambient rating of 48.89 °C. Starting uses 2 batteries rated 1000 CCA. The set measures 4450×1520×2440 mm (175.2×59.8×96.1 in), weighs about 5783 kg (12749 lb) and produces 68 dBA at 7.01 m. An integrated tank holds 2331.8 L (616.0 gal), roughly 29 hours of runtime. The same RG6135HF485 engine also powers generator sets from Magnum.

408 kW
Standby
13.5 L
Displacement
0
Document types

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Specifications

Fueldiesel
Frequency60.0 Hz
Standby power408 kW
Standby kVA510
Prime power373 kW
EmissionsTier III
ControllerMicroprocessor-based controller
Voltage options120/208 V, 277/480 V
Phase3
Circuit breaker1600 A
Battery cranking1000 CCA
Battery quantity2
Max ambient48.89 °C
Dimensions (L×W×H)4450×1520×2440 mm
Dry weight5783 kg
Sound level68.0 dBA @ 7.01 m
Fuel tank2331.8 L
Tank runtime29 hr

Engine

John Deere RG6135HF485
Coolant capacity90.4 L
Displacement13.5 L
Aspirationturbocharged
Rated speed1800 rpm

Same engine, other brands

1 brand

The John Deere RG6135HF485 in this set also powers 3 generator sets sold under 1 other brand. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.

BrandModels
MagnumMMG405, MMG405 Super Start, MMG465

Maintenance & consumables

for the John Deere RG6135HF485
ItemSpecCapacityPart #Interval
Air filterpaper element—

Common questions

What is the power rating of the Generac MMG465?

The Generac MMG465 is rated 408 kW standby (510.0 kVA).

What engine does the Generac MMG465 use?

The Generac MMG465 is powered by the John Deere RG6135HF485 engine.

What kind of fuel does the Generac MMG465 run on?

The Generac MMG465 runs on diesel.

How much coolant does the Generac MMG465 hold?

The Generac MMG465 cooling system holds 90.4 liters (23.9 US gallons) for the engine, per the manufacturer specification sheet.

What is the continuous rating of the Generac MMG465?

The Generac MMG465 is rated 373 kW prime (466 kVA), against 408 kW standby.

What is the sound level of the Generac MMG465?

The Generac MMG465 is rated at 68.0 dBA at 7.01 m, per the manufacturer specification sheet.

How much does the Generac MMG465 weigh?

The Generac MMG465 has a dry weight of 5783 kg (12749 lb).

How big is the fuel tank on the Generac MMG465?

The Generac MMG465 has a 2331.8 liter (616 US gallon) fuel tank, giving about 29 hours of runtime.

What voltage does the Generac MMG465 produce?

The Generac MMG465 is offered in 120/208 V, 277/480 V, 3-phase.

What battery does the Generac MMG465 use?

The Generac MMG465 uses 2 batteryies, 1000 CCA, per the manufacturer specification sheet.

Fuel consumption

RatingLoadL/hgal/h
Prime50%51.113.5
Prime75%73.819.5
Prime100%99.626.3

Available documents