HomeGeneracGenerac PRIMEPACT 66LP

Generac PRIMEPACT 66LP Generator Set

The Generac PRIMEPACT 66LP is a 6.2 kW LPG standby generator set powered by a Generac GN-480 engine. It operates at 60 Hz. It holds about 1.4 L (0.4 gal) of oil.

6 kW
Standby
0.48 L
Displacement
1.4 L
Oil capacity
3
Document types

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Specifications

FuelLPG
Frequency60.0 Hz
Standby power6 kW
Prime power6 kW
Oil capacity1.4 L

Engine

Generac GN-480
Oil capacity1.4 L
Displacement0.48 L
AspirationAir-cooled
Rated speed3600 rpm

Maintenance & consumables

for the Generac GN-480
ItemSpecCapacityPart #Interval
Air filter073123100 hr Amazon eBay $28.00
Fuel filter087769100 hr Amazon eBay $49.99
Oil filter070185100 hr Amazon eBay $19.97
BeltNot explicitly stated in the document.500 hr find
Coolantcheck level, add if necessary12 hr
OilHigh quality detergent oil classified 'For Service SF' and with an oil viscosity rating of SAE 10W-30100 hr

Common questions

What is the power rating of the Generac PRIMEPACT 66LP?

The Generac PRIMEPACT 66LP is rated 6 kW standby.

What engine does the Generac PRIMEPACT 66LP use?

The Generac PRIMEPACT 66LP is powered by the Generac GN-480 engine.

What fuel does the Generac PRIMEPACT 66LP use?

The Generac PRIMEPACT 66LP runs on LPG.

What is the oil capacity of the Generac PRIMEPACT 66LP?

The Generac GN-480 engine in the Generac PRIMEPACT 66LP has an oil capacity of 1.4 liters.

Troubleshooting

5

Symptoms & remedies

SymptomCauseRemedy
Engine won't crank.15 amp fuse blown.Replace blown fuse.
Engine cranks, won't start.Out of fuel.Refill fuel tank.
Engine starts hard, runs rough.Dirty engine air cleaner.Clean or replace as needed.
Engine starts, then shuts down.Engine oil level is low.Add oil as needed.
No AC output voltage.Main breaker(s) open.Close main breaker(s).

Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.

Parts

29
Part #DescriptionQtySystem
030340HOSE, FUEL, 4.5" LG.1Hose buy
067805OIL SEAL1Seal buy
067816VALVE SPRING4Belt buy
067866O-RING1Seal buy
067897EXHAUST GASKET2Gasket buy
067920VALVE COVER GASKET2Gasket buy
067924OIL SEAL ASSEMBLY1Seal buy
069332CYLINDER HEAD GASKET2Gasket buy
069336OIL SUMP GASKET1Gasket buy
070070OIL PUMP ASSEMBLY1Pump buy
070122VALVE STEM SEAL4Seal buy
070185FILTER, OIL (FRAM#PH3614)1Oil filter Amazon eBay $19.97
070547OIL PUMP ASSEMBLY1Pump buy
070596BREATHER TUBE1Hose buy
072347SPARK PLUG2Spark plug Amazon eBay $2.50
073123AIR FILTER (NOT SHOWN)1Air filter Amazon eBay $28.00
075258ENGINE GASKET KIT1Gasket buy
087769FUEL FILTER1Fuel filter Amazon eBay $49.99
089870SOLENOID, FUEL SHUTOFF (Q-70G Only)1Sensor buy
0A8584FILTER, OIL (FRAM#PH3614)1Oil filter FridayParts $31.60
A858410 PSI-SWITCH, OIL PRESSURE1Sensor buy
Champion.RC12YCSpark PlugSpark plug buy
067890HEX NUT1Service part / kit buy
075252KIT, CARBURETOR OVERHAUL1Service part / kit buy
075271VALVE OVERHAUL KIT1Service part / kit buy
086313HOUSING, ENGINE TOP1Service part / kit buy
092120NUT LOCK TRIC M6-1.0 Y/ZNC2Service part / kit buy
099258KEY-WOODRUFF 6 x 22MM1Service part / kit buy
98773AIR-COOLED RECREATIONAL VEHICLE GENERATORS1Service part / kit buy

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
Prime0.33
Prime0%0.42
Prime0%0.59
Prime1%0.69
Prime50%0.59
Prime100%0.99

Available documents

Installation manualOwner's manualParts manual