The Cummins Onan 1290DFLE generator is listed with standby output of 1290 kW, Diesel fuel, 50 Hz operation, and 1 or 3.
Cummins Onan Generator Specifications
Generator • Diesel • 50 Hz • 1 or 3
Standby power: 1290 kW
Key specifications
1290 kW Standby power
Diesel Fuel
1 or 3 Phase
50 Hz Frequency
How the Cummins Onan 1290DFLE 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
1,290 kW
30% below avg
26th percentile
Oil capacity
53.89 gal
4% above avg
53rd percentile
Standby power1,290 kW
Low 1,000 kWAverage 1,831.9 kWHigh 3,562 kW
About 30% below the similar-output Cummins Onan average. Around the 26th percentile for this field.
Oil capacity53.89 gal
Low 0.28 galAverage 51.88 galHigh 105.14 gal
About 4% above the similar-output Cummins Onan average. Around the 53rd percentile for this field.
This model Peer average
Generator information
| Manufacturer | Cummins Onan |
|---|---|
| Model | 1290DFLE |
| Generator type | Generator |
| Fuel | Diesel |
| Frequency | 50 Hz |
Electrical output
| Standby power | 1290 kW |
|---|---|
| Phase | 1 or 3 |
Engine, cooling and controls
| Engine model | Cummins/Onan KTA50−G8 |
|---|---|
| Engine displacement | 3, 069 cu in (50.3 L) |
| Aspiration / cooling | Turbo Aftercooled |
| Rated engine speed | 1500 rpm |
| Engine oil capacity | 53.9 gal (204 L) |
| Engine coolant capacity | 105.7 gal (400 L) |
| Oil capacity | 53.9 gal (204 L) |
| Controller | 3100, PowerCommand 2100 |
Battery
| Battery voltage | 24 V |
|---|
Maintenance and service parts
| Fuel filter | Specification: Fuel/Water Separator |
|---|---|
| Air filter | Part number: 140-2501 |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Cummins North America generator website.