The Cummins Onan DFLE generator is listed with standby output of 1250 kW, Diesel fuel, 60 Hz operation, 24 V output, Single phase, and sound level of 74 dBA @ 23 ft (7 m).
Generator • Diesel • 60 Hz • Single phase
Key specifications
Useful generator charts
Charts are shown only when this model has enough usable source data.
32.8 gal/hr
55.8 gal/hr
79.4 gal/hr
103.6 gal/hr
54.8 kW
55.6 kW
1,250 kW
1,250 kW
How the Cummins Onan DFLE compares
This compares the supplied numeric specification with Cummins Onan generators in the same broad standby-power class where enough comparable data exists.
About 32% below the similar-output Cummins Onan average. Around the 20th percentile for this field.
About 24% below the similar-output Cummins Onan average. Around the 31st percentile for this field.
About 8% below the similar-output Cummins Onan average. Around the 45th percentile for this field.
About 4% below the similar-output Cummins Onan average. Around the 47th percentile for this field.
Generator information
| Manufacturer | Cummins Onan |
|---|---|
| Model | DFLE |
| Generator type | Generator |
| Fuel | Diesel |
| Frequency | 60 Hz |
Electrical output
| Standby power | 1250 kW |
|---|---|
| Prime power | 1250 kW |
| Standby kVA | 1875.0 |
| Voltage options | 24 V |
| Phase | Single phase |
Engine, cooling and controls
| Engine model | Cummins/Onan KTA50 series |
|---|---|
| Engine displacement | 3, 051 cu in (50 L) |
| Aspiration / cooling | turbocharged and after-cooled |
| Rated engine speed | 50 rpm |
| Engine oil capacity | 11.8 gal (44.7 L) |
| Engine coolant capacity | 91.9 gal (348 L) |
| Oil capacity | 49.7 gal (188 L) |
| Coolant capacity | 102 gal (386 L) |
| Maximum ambient | 122 °F (50 °C) |
| Controller | DetectorControl, PowerCommand, PowerCommand 2100, PowerCommand 3100 (PCC) |
Physical specifications
| Dry weight | 22, 818 lb (10, 350 kg) |
|---|---|
| Dimensions (L × W × H) | 18.9 × 480 × 3.8 in (480 × 12192 × 96 mm) |
| Sound level | 74 dBA @ 23 ft (7 m) |
Battery
| Battery group | Four, 12 Volt |
|---|---|
| Battery cranking | 1400 CCA |
| Battery voltage | 24 Volts DC V |
| Battery quantity | 4 |
Fuel consumption
| Standby | 32.8 gal/h (124.0 L/h) @ 25%; 55.8 gal/h (211.0 L/h) @ 50%; 79.4 gal/h (301.0 L/h) @ 75%; 103.6 gal/h (392.0 L/h) @ 100% |
|---|---|
| Prime | 29.2 gal/h (111.0 L/h) @ 25%; 47.6 gal/h (180.0 L/h) @ 50%; 68.0 gal/h (257.0 L/h) @ 75%; 87.3 gal/h (330.0 L/h) @ 100% |
Maintenance and service parts
| Engine oil | Interval: 3600 hr; Specification: 5W-40; Capacity: 160.0 L |
|---|---|
| Oil filter | Part number: LF3325 |
| Fuel filter | Part number: FS1006 | —; Interval: 1800 hr; Specification: Dual spin on paper element fuel filters with standard water separator |
| Air filter | Interval: 3600 hr; Specification: Dry replaceable element |
| Coolant | Interval: 3600 hr; Specification: 50/50 Ethylene Glycol and Water; Capacity: 12.7 L |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Cummins North America generator website.