The Cummins Onan 1500DFLE generator is listed with standby output of 1500 kW, Diesel fuel, 60 Hz operation, 24 V output, and Single phase.
Cummins Onan Generator Specifications
Generator • Diesel • 60 Hz • Single phase
Standby power: 1500 kWVoltage options: 24 V
Key specifications
1500 kW Standby power
Diesel Fuel
24 V Voltage options
Single phase Phase
60 Hz Frequency
How the Cummins Onan 1500DFLE 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
1,500 kW
18% below avg
39th percentile
Oil capacity
31.7 gal
39% below avg
33rd percentile
Standby power1,500 kW
Low 1,000 kWAverage 1,831.9 kWHigh 3,562 kW
About 18% below the similar-output Cummins Onan average. Around the 39th percentile for this field.
Oil capacity31.7 gal
Low 0.28 galAverage 51.88 galHigh 105.14 gal
About 39% below the similar-output Cummins Onan average. Around the 33rd percentile for this field.
This model Peer average
Generator information
| Manufacturer | Cummins Onan |
|---|---|
| Model | 1500DFLE |
| Generator type | Generator |
| Fuel | Diesel |
| Frequency | 60 Hz |
Electrical output
| Standby power | 1500 kW |
|---|---|
| Voltage options | 24 V |
| Phase | Single phase |
Engine, cooling and controls
| Engine model | Cummins/Onan KTA50-G9 |
|---|---|
| Engine displacement | 3, 069 cu in (50.3 L) |
| Aspiration / cooling | Turbocharged and low temperature aftercooled |
| Rated engine speed | 1800 rpm |
| Engine oil capacity | 31.7 gal (120 L) |
| Engine coolant capacity | 137.6 gal (521 L) |
| Oil capacity | 31.7 gal (120 L) |
| Controller | 3100, Detector, PowerCommand, PowerCommand 2100 |
Battery
| Battery voltage | 24 V |
|---|---|
| Battery quantity | 1 |
Maintenance and service parts
| Engine oil | Specification: Cummins Heavy-Duty Engine – Rugged 4-cycle industrial diesel delivers reliable power, low emissions, and fast response to load changes. |
|---|---|
| Oil filter | Specification: Five spin-on, full flow |
| Air filter | Part number: 140-2501 |
| Coolant | Specification: 104oF (40oC) ambient radiator |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Cummins North America generator website.