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Generac MMG330DI4 Generator Set

The Generac MMG330DI4 is a 290 kW (363 kVA) standby generator set powered by a John Deere PE609HFG95 engine. It is available at 208 V and 480 V, 3Ø, 60 Hz and rated 1008 A. It holds 70.9 L (18.7 gal) of coolant. Starting uses 2 group-31 batteries rated 1000 CCA at 12 V. The set measures 4350×1520×2290 mm (171.3×59.8×90.2 in). An integrated tank holds 1738 L (459.1 gal), roughly 23 hours of runtime. The same PE609HFG95 engine also powers generator sets from Magnum.

290 kW
Standby
9.0 L
Displacement
1
Document types

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Specifications

Frequency60.0 Hz
Standby power290 kW
Standby kVA363
Prime power263 kW
AlternatorMarathon 432PSL6210
Voltage options208 V, 480 V
Phase3Ø
Rated current1008 A
Power factor0.8
Circuit breaker1200 A
Battery groupGroup 31
Battery cranking1000 CCA
Battery voltage12 V
Battery quantity2
Dimensions (L×W×H)4350×1520×2290 mm
Fuel tank1738.0 L
Tank runtime23 hr

Engine

John Deere PE609HFG95
Coolant capacity70.9 L
Displacement9.0 L
Rated speed1800 rpm

Same engine, other brands

1 brand

The John Deere PE609HFG95 in this set also powers 2 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
MagnumMMG330, MMG330 Super Start

Maintenance & consumables

for the John Deere PE609HFG95
ItemSpecCapacityPart #Interval
Air filter—500 hr
Fuel filter—
Oil filter—
Battery—
Belt—500 hr
Coolant75.0—
Coolant filter—
Oil—500 hr
Spark plug—

Common questions

What is the power rating of the Generac MMG330DI4?

The Generac MMG330DI4 is rated 290 kW standby (363.0 kVA).

What engine is in the Generac MMG330DI4?

The Generac MMG330DI4 is powered by the John Deere PE609HFG95 engine.

What is the coolant capacity of the Generac MMG330DI4?

The Generac MMG330DI4 cooling system holds 70.9 liters (18.7 US gallons) for the engine, per the manufacturer specification sheet.

What is the prime power rating of the Generac MMG330DI4?

The Generac MMG330DI4 is rated 263 kW prime (329 kVA), against 290 kW standby.

What size fuel tank does the Generac MMG330DI4 have?

The Generac MMG330DI4 has a 1738 liter (459 US gallon) fuel tank, giving about 23 hours of runtime.

What voltage does the Generac MMG330DI4 produce?

The Generac MMG330DI4 is offered in 208 V, 480 V, 3Ø-phase.

What size battery does the Generac MMG330DI4 need?

The Generac MMG330DI4 uses 2 batteryies, 12 V each, 1000 CCA, group Group 31, per the manufacturer specification sheet.

What alternator comes on the Generac MMG330DI4?

The Generac MMG330DI4 uses a Marathon 432PSL6210 alternator.

Parts

10
Part #DescriptionQtySystem
0178050A circuit breakers (3)3Circuit breaker Amazon eBay
01879STOPStop engine Amazon eBay
23668WPanel, rear control box - upper1Panel eBay
24043ZCStriker, short pin1Striker eBay
24196Washer, striker pin - int. thrd.1Washer Amazon eBay FridayParts $20.99
60095Nut, .312-18 sflg2Service part / kit Amazon eBay
60340Washer, .312 flat .875/.040, SS2Service part / kit Amazon eBay FridayParts $24.95
60452Washer, .313 flat 1.125/1.0 bonded rubber, SS1Service part / kit Amazon eBay
60505Nut, .312-18 U-clip - long type4Service part / kit Amazon eBay
60507Screw, .312-18x1.0 std hex, SS2Service part / kit Amazon eBay $40.99

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
Prime268.0170.8
Standby268.0170.8

Available documents

Service manual — 33797 (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.

Other sets with this engine