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Home›Cummins/Onan›Cummins/Onan CFP11E-F20

Cummins/Onan CFP11E-F20 Generator Set

The Cummins/Onan CFP11E-F20 is a Diesel generator set powered by a Cummins/Onan QSM11 engine. It holds about 35 L (9.2 gal) of oil and 9.5 L (2.5 gal) of coolant. Starting uses 1 group-24 battery rated 1400 CCA at 24 V. The set weighs about 1321 kg (2912 lb) and produces 101.4 dBA at 1 m.

10.8 L
Displacement
35.0 L
Oil capacity
2
Document types

How to read your Cummins/Onan serial & model number →

On this pageService partsSpecsEngineMaintenanceFuel consumptionDocumentsFAQ

Service parts for the CFP11E-F20

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

Air intake

1 required
RU3220Air filter$79.95eBay

Fuel system

1 required
FS1000Fuel filter$60.99Amazon

Oil system

1 required
LF9001Oil filter$78.82eBay

Belts

1 required
3037425Belt$22.85eBay

Cooling system

1 required
WF2072Coolant filter$20.95eBay

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

Specifications

FuelDiesel
EmissionsEPA Tier 2
ControllerFire Pump Digital (FPDP)
Oil capacity35.0 L
Alternator12V-DC, 70 amps
Battery group24V
Battery cranking1400 CCA
Battery voltage24 V
Battery quantity1
Coolant capacity9.5 L
Dry weight1321 kg
Sound level101.4 dBA @ 1 m

Engine

Cummins/Onan QSM11
Oil capacity36.7 L
Coolant capacity40.0 L
Displacement10.8 L
AspirationTurbocharged and Charge-Air Cooled
Rated speed1470 rpm

Maintenance & consumables

for the Cummins/Onan QSM11
ItemSpecCapacityPart #Interval
Air filterAir CleanerRU3220 Amazon eBay $79.95
Fuel filterFuel FilterFS1000 Amazon $60.99 eBay $101.98 KuduParts $95.00
Oil filterLube FilterLF9001 Amazon eBay $78.82 KuduParts $17.00
Battery—6000 hr
BeltBelt3037425 Amazon eBay $22.85
CoolantUse coolant solution per Cummins engine Operation and Maintenance Manual—500 hr
Coolant filterCoolant FilterWF2072 Amazon $41.15 eBay $20.95
Oil36.7—6000 hr
Spark plug—1500 hr

Common questions

Which engine powers the Cummins/Onan CFP11E-F20?

The Cummins/Onan CFP11E-F20 is powered by the Cummins/Onan QSM11 engine.

What fuel does the Cummins/Onan CFP11E-F20 use?

The Cummins/Onan CFP11E-F20 runs on Diesel.

How much oil does the Cummins/Onan CFP11E-F20 take?

The Cummins/Onan QSM11 engine in the Cummins/Onan CFP11E-F20 has an oil capacity of 36.7 liters.

What alternator does the Cummins/Onan CFP11E-F20 use?

The Cummins/Onan CFP11E-F20 uses a 12V-DC, 70 amps alternator.

What oil filter does the Cummins/Onan CFP11E-F20 use?

The Cummins/Onan CFP11E-F20 uses oil filter part number LF9001.

What fuel filter fits the Cummins/Onan CFP11E-F20?

The Cummins/Onan CFP11E-F20 uses fuel filter part number FS1000.

What air filter fits the Cummins/Onan CFP11E-F20?

The Cummins/Onan CFP11E-F20 uses air filter part number RU3220.

Parts

70
Part #DescriptionQtySystem
12000180Fuel inlet to pump1Pump Amazon
12000183Fuel filter1Fuel filter Amazon eBay
12000185Power steering pump mounting location1Pump Amazon
12000186Oil pressure and temperature sensor1Oil pressure and temperature sensor Amazon
12000187Engine position sensor1Engine position sensor Amazon
13200052Slow Idle FeatureSlow idle feature Amazon
13200060Engine Speed Control SwitchEngine speed control switch Amazon
13200087Oil Pressure GaugeOil pressure gauge Amazon
15600049Fuel Shutoff ValveFuel shutoff valve Amazon
19400715OEM Interface 21-Pin Harness ConnectorHose Amazon
19400718OEM Interface 24-Pin Harness ConnectorHose Amazon
2871254Starter 12VStarter Amazon eBay
2874862Alternator 12VAlternator Amazon eBay
2874863Alternator 24VAs neededAlternator Amazon eBay FridayParts $200.27
3037425BeltBelt Amazon eBay $22.85
3103916Starter 24VStarter Amazon eBay $393.22 FridayParts $298.65
3200069STOP CHECK!Stop check Amazon
33200082Engine Stop ButtonEngine stop button Amazon
3375049Oil Filter Wrench1Oil filter Amazon eBay
3376326Pulley PusherPulley pusher Amazon eBay
3376807Engine coolant and fuel filter wrench1Fuel filter Amazon eBay
3377401Pulley Pusher Adapter, 5/16 X 24 X 2 capscrewsPulley pusher adapter Amazon eBay
3397929Oil filter wrench1Oil filter Amazon eBay
38200567Idle Adjustment SwitchIdle adjustment switch Amazon
3823494SealantFluid Amazon eBay
39200434Governed rpmRpm governor Amazon
43200085VoltmeterVoltmeter Amazon
43200086Tachometer w/Hour MeterTachometer Amazon
49c00185Data LinkData link Amazon
A40-TB1-8JUMPER WIREBelt Amazon eBay
FS1000Fuel Filter1Fuel filter Amazon $60.99 eBay $101.98 KuduParts $95.00
LF9001Lube Filter1Oil filter Amazon eBay $78.82 KuduParts $17.00
LFg9001Valvoline® Premium Blue®Oil filter Amazon
RU3220Air Cleaner1Air filter Amazon eBay $79.95
V70509Lube Oil4 Gal.Fluid Amazon eBay
WF2072Coolant Filter1Coolant filter Amazon $41.15 eBay $20.95
05200182Flywheel ring gear sensor1Service part / kit Amazon
12000184Rail pressure1Service part / kit Amazon
12000188Freon compressor mounting location.1Service part / kit Amazon
19400716Hard-CoupledService part / kit Amazon
19400734Intermediate Speed ControlService part / kit Amazon
19800802Multiple Unit SynchronizationService part / kit Amazon
3305070Heater, 240V1Service part / kit Amazon eBay
3315033Heater, 120V1Service part / kit Amazon eBay
3885910Red Paint, Spray can3Service part / kit Amazon eBay
492000038Operation and Maintenance NanualService part / kit Amazon
49800897Intermediate Speed ControlService part / kit Amazon
49801587Electronic Fan ClutchService part / kit Amazon
8210G4-12VDC1" 12V solenoidAs neededService part / kit Amazon eBay
8210G4-24VDC1" 24V solenoidAs neededService part / kit Amazon eBay
98200038Engine Steam CleaningService part / kit Amazon
A40-TB1-1B+Service part / kit Amazon eBay
A40-TB1-11(COMMON ALARM)Service part / kit Amazon eBay
A40-TB1-12(B-)Service part / kit Amazon eBay
A40-TB1-30COMMON ALARMService part / kit Amazon eBay
A40-TB1-31(COMMON ALARM)Service part / kit Amazon eBay
C2800Fleetguard® refractometer1Service part / kit Amazon eBay
CC2800Fleetguard® refractometerService part / kit Amazon eBay
D036Service part / kit Amazon eBay
D041Service part / kit Amazon eBay
F154Service part / kit Amazon eBay
F159Service part / kit Amazon eBay
H479Service part / kit Amazon eBay
H487Service part / kit Amazon eBay
H488Service part / kit Amazon eBay
H530Service part / kit Amazon eBay
H556Service part / kit Amazon eBay
H557Service part / kit Amazon eBay
K882Service part / kit Amazon eBay $260.95
LE9o01Cummins Engine Company, Inc.Service part / kit Amazon

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%63.116.7
Prime70%63.119.1
Standby50%61.816.3
Standby70%72.319.1

Available documents

Spec sheet — 0063387 (Cummins/Onan)Parts manual — 0057335 (Cummins/Onan)
Full service, cheapest listings

Priced items from this model's own parts manual.

Air filter RU3220$79.95
Fuel filter FS1000$60.99
Oil filter LF9001$78.82
Belt 3037425$22.85
Coolant filter WF2072$20.95
5 priced items$263.56
Other sets with this engine
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