HomeGeneracGenerac MLG6K

Generac MLG6K Generator Set

The Generac MLG6K is a 9.8 kW standby generator set powered by a Kubota D1005-E3BG1-MGM-1 engine. It holds about 5.1 L (1.3 gal) of oil and 4.5 L (1.2 gal) of coolant. The same D1005-E3BG1-MGM-1 engine also powers generator sets from Magnum.

9 kW
Standby
1.0 L
Displacement
5.1 L
Oil capacity
1
Document types

How to read your Generac serial & model number →

Service parts for the MLG6K

Grouped by system, with how many of each the parts manual calls for.

Air intake

1 required
90243Air filtersee priceAmazon

Fuel system

1 required
33192Fuel filter$24.95eBay

Oil system

1 required

Prices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.

Specifications

Standby power9 kW
Prime power8 kW
Emissions4f
Oil capacity5.1 L

Engine

Kubota D1005-E3BG1-MGM-1
Oil capacity5.1 L
Coolant capacity4.5 L
Displacement1.0 L
Aspirationnaturally aspirated
Rated speed1800 rpm

Maintenance & consumables

for the Kubota D1005-E3BG1-MGM-1
ItemSpecCapacityPart #Interval
Air filterAir Filter Element90243 Amazon eBay
Fuel filter33192500 hr Amazon eBay $24.95
Oil filter76650254301000 hr Amazon $18.01 eBay $22.12 PartsGeek $7.98
BatteryCheck the battery daily.24 hr
BeltReplace Fan Belt1000 hr
Coolant24 hr
OilChange the engine oil and oil filter after the initial 50 hours of operation, then at the appropriate interval thereafter.1000 hr
Spark plugReplace Air Filter Element1000 hr

Common questions

How many kW is the Generac MLG6K?

The Generac MLG6K is rated 9 kW standby.

What engine is in the Generac MLG6K?

The Generac MLG6K is powered by the Kubota D1005-E3BG1-MGM-1 engine.

What's the oil capacity on a Generac MLG6K?

The Kubota D1005-E3BG1-MGM-1 engine in the Generac MLG6K has an oil capacity of 5.1 liters.

What oil filter does the Generac MLG6K use?

The Generac MLG6K uses oil filter part number 7665025430.

Which fuel filter part number does the Generac MLG6K take?

The Generac MLG6K uses fuel filter part number 33192.

Which air filter part number does the Generac MLG6K take?

The Generac MLG6K uses air filter part number 90243.

Troubleshooting

4

Symptoms & remedies

SymptomCauseRemedy
Low Oil PressureShutdown Low oil level Oil leaking from engine Oil pressure senderVerify oil level on dipstick. Add oil, if needed. Visually inspect the engine for leaks. Restart unit and verify loss of pressure. Shut down immediately if pressure does not reach 5 psi (34 kPa) within five seconds. Refer to OEM engine operator’s manual to identify corrective action.
High Coolant Temperature ShutdownLow coolant level Blockage in radiator Leakage in coolant hoses, engine block, or water pumpAdd coolant if needed. Allow engine to cool, then check coolant level in radiator. Restart engine and check coolant temperature (on controller). Stop engine immediately if coolant temperature is 210°F (99°C) or more. Verify radiator shroud and ducting for blockage and remove any foreign matter. Inspect for visible leaks. Verify tension of water pump serpentine drive belt. Remove load on generator and restart engine. Verify coolant temperature and shut engine down immediately if it starts to overheat. Refer to the OEM engine operator’s manual for additional information on engine overheating.
Overcrank ShutdownFuel level low Verify fuel level in tank. Verify fuel pump operation. Verify air filter for blockage.Refer to OEM engine operator’s manual for additional information.
Overspeed or Under-speed ShutdownFrequency setting incorrectDisconnect all loads and restart unit. Read frequency (Hz) in the LCD window on controller. Frequency should read 60 Hz. If frequency is above 60 Hz, engine speed will need to be adjusted. Refer to OEM engine operator’s manual for throttle adjustment information.

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

Parts

3
Part #DescriptionQtySystem
90243Air Filter ElementAir filter Amazon eBay
02076Unit ID Tag, Vin TagService part / kit Amazon eBay
209649Form: SFC626B1Service part / kit Amazon eBay

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
Prime3.791.0

Available documents

Operator's manual — 53660 (Generac)
Full service, cheapest listings

Priced items from this model's own parts manual.

Fuel filter 33192$24.95
Oil filter 7665025430$7.98
2 priced items$32.93