HomeCummins/OnanCummins/Onan C150 N6

Cummins/Onan C150 N6 Generator Set

The Cummins/Onan C150 N6 is a 150 kW NG/propane standby generator set powered by a Cummins/Onan QSJ8.9G engine. It is available at 12 V, single phase-phase and 60 Hz. Starting uses dual battery optional group-850 battery.

150 kW
Standby
8.9 L
Displacement
3
Document types

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

Specifications

FuelNG/propane
Frequency60.0 Hz
Standby power150 kW
EmissionsEPA NSPS
ControllerPowerCommand 2.3 with 3.3 optional
Voltage options12 V
Phasesingle phase
Battery group850
Battery quantitydual battery optional
Max ambient-45 °C

Engine

Cummins/Onan QSJ8.9G
Displacement8.9 L
AspirationTurbocharged and aftercooled

Filters & service parts

model family
ItemSpecCapacityPart #Interval
Air filter250 hr find
Fuel filterCheck fuel lines and hoses: Visually check for leaks, worn or damaged hoses. To replace, contact your authorized distributor.24 hr find
Oil filterReplace engine oil and filters. Refer to the Engine Oil section for the procedure.250 hr find
BeltChecking drive belt condition and tension: Visually check belt for evidence of wear or slippage. To replace, contact your authorized distributor.24 hr find
CoolantStarts to open within 2 °F (1 °C) of 180 °F (82 °C); Fully open within 2 °F (1 °C) of 203 °F (95 °C); Flow valve and flange clearance (minimum): 0.26 in (6.6 mm)500 hr
OilReplace engine oil and filters. Refer to the Engine Oil section for the procedure.250 hr

Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.

Common questions

What is the power rating of the Cummins/Onan C150 N6?

The Cummins/Onan C150 N6 is rated 150 kW standby.

What engine does the Cummins/Onan C150 N6 use?

The Cummins/Onan C150 N6 is powered by the Cummins/Onan QSJ8.9G engine.

What fuel does the Cummins/Onan C150 N6 use?

The Cummins/Onan C150 N6 runs on NG/propane.

Parts

2model family
Part #DescriptionQtySystem
3824510electronic cleanerService part / kit buy
A047A982EControls GCP E-Com USB interface cableService part / kit buy

Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Available documents

Spec sheetOperator's manualService manual

Other sets with this engine