The Cummins Onan C150 N6 generator is listed with standby output of 150 kW, NG/propane fuel, 60 Hz operation, 12 V output, and Single phase.
Generator • NG/propane • 60 Hz • Single phase
Key specifications
Useful generator charts
Charts are shown only when this model has enough usable source data.
43.1 kW
45.1 kW
150 kW
150 kW
How the Cummins Onan C150 N6 compares
This compares the supplied numeric specification with Cummins Onan generators in the same broad standby-power class where enough comparable data exists.
About 36% below the similar-output Cummins Onan average. Around the 7th percentile for this field.
About 41% below the similar-output Cummins Onan average. Around the 19th percentile for this field.
Generator information
| Manufacturer | Cummins Onan |
|---|---|
| Model | C150 N6 |
| Generator type | Generator |
| Fuel | NG/propane |
| Frequency | 60 Hz |
Electrical output
| Standby power | 150 kW |
|---|---|
| Prime power | 150 kW |
| Standby kVA | 188.0 |
| Voltage options | 12 V |
| Phase | Single phase |
Engine, cooling and controls
| Engine model | Cummins/Onan QSJ8.9G |
|---|---|
| Engine displacement | 543 cu in (8.9 L) |
| Aspiration / cooling | in-line, spark-ignition (SI) |
| Rated engine speed | 1800 rpm |
| Coolant capacity | 125 kW – 50° C (122° F) ambient cooling system / 150 kW – 45° C (113° F) ambient cooling system L |
| Maximum ambient | -49 °F (-45 °C) |
| Controller | PowerCommand 2.3 |
| Alternator | Stamford/AvK UC3E |
| Emissions | EPA NSPS |
Physical specifications
| Dry weight | 3, 483 lb (1, 580 kg) |
|---|---|
| Dimensions (L × W × H) | 112.9 × 40 × 55.7 in (2867 × 1016 × 1415 mm) |
Battery
| Battery group | 850 |
|---|---|
| Battery cranking | 850 CCA |
Maintenance and service parts
| Engine oil | Interval: 250 hr; Specification: Replace engine oil and filters. Refer to the Engine Oil section for the procedure. |
|---|---|
| Fuel filter | Interval: 24 hr; Specification: Check fuel lines and hoses: Visually check for leaks, worn or damaged hoses. To replace, contact your authorized distributor. |
| Air filter | Interval: 250 hr |
| Coolant | Interval: 500 hr; Specification: Starts 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) |
| Belt | Interval: 24 hr; Specification: Checking drive belt condition and tension: Visually check belt for evidence of wear or slippage. To replace, contact your authorized distributor. |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Cummins North America generator website.