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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. 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.

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
Displacement13.5 L
Aspirationturbocharged
Rated speed1800 rpm

Maintenance & consumables

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

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 fuel does the Generac MMG465 use?

The Generac MMG465 runs on diesel.

Parts

17
Part #DescriptionQtySystem
18609Kit, filter minder gauge1Sensor PartsGeek
26229Kit, voltage adjustment potentiometer1Sensor PartsGeek
65645Relay, voltage sensing1Sensor PartsGeek
66212Charger, battery 2-5 amp 24V1Pump PartsGeek
18089Receptacle, 120/240V 50A twist lock3Service part / kit PartsGeek kuduparts $22.00
18091Breaker, 20A, 240V, 1-pole2Service part / kit PartsGeek
18092Breaker, 50A, 240V, 2-Pole3Service part / kit PartsGeek
18715Holder, manual (plastic)1Service part / kit PartsGeek
21487Transformer, 1.13:1 1-phase 500VA1Service part / kit PartsGeek
23025Light, interior control panel1Service part / kit PartsGeek
25077Switch, toggle - spst 20AVAC1Service part / kit PartsGeek
27127WPlate, breaker1Service part / kit PartsGeek
65285Receptacle, 120V/15A in Edison (5-15R)1Service part / kit PartsGeek
65461Relay, 30A DPDT 120VAC power1Service part / kit PartsGeek
65644Base, relay - 8 pos1Service part / kit PartsGeek
66004Relay, 65A SPST 24VDC solenoid1Service part / kit PartsGeek FridayParts $34.42
66646Controller, programmed1Service 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
Prime50%51.113.5
Prime75%73.819.5
Prime100%99.626.3

Available documents

Other sets with this engine