The Cummins Onan C125D2R generator is listed with standby output of 125 kW.
Cummins Onan Generator Specifications
Generator
Standby power: 125 kW
Key specifications
125 kW Standby power
Useful generator charts
Charts are shown only when this model has enough usable source data.
Power output
Low 100 kW High 125 kW
Standby
125 kW
Prime
100 kW
How the Cummins Onan C125D2R compares
This compares the supplied numeric specification with Cummins Onan generators in the same broad standby-power class where enough comparable data exists.
Standby power
125 kW
34% above avg
82nd percentile
Oil capacity
1.22 gal
71% below avg
3rd percentile
Standby power125 kW
Low 60 kWAverage 93 kWHigh 144.5 kW
About 34% above the similar-output Cummins Onan average. Around the 82nd percentile for this field.
Oil capacity1.22 gal
Low 1.22 galAverage 4.16 galHigh 8.19 gal
About 71% below the similar-output Cummins Onan average. Around the 3rd percentile for this field.
This model Peer average
Generator information
| Manufacturer | Cummins Onan |
|---|---|
| Model | C125D2R |
| Generator type | Generator |
Electrical output
| Standby power | 125 kW |
|---|---|
| Prime power | 100 kW |
| Standby kVA | 141.0 |
Engine, cooling and controls
| Engine model | Cummins/Onan QSB7-G3 |
|---|---|
| Engine displacement | 408 cu in (6.69 L) |
| Aspiration / cooling | turbocharged and after-cooled |
| Engine oil capacity | 1.22 gal (4.6 L) |
| Oil capacity | 1.22 gal (4.6 L) |
| Controller | PowerCommand 1.2 |
| Alternator | Cummins/Onan UC274F |
| Emissions | Tier III |
Maintenance and service parts
| Engine oil | Capacity: 4.6 L |
|---|---|
| Coolant | Capacity: 6.1 L |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Cummins North America generator website.