Cummins Onan DFLC Specs (Power | Fuel Consumption)

The Cummins Onan DFLC generator is listed with standby output of 1250 kW, Diesel fuel, 60 Hz operation, 6 available voltage configurations, and Three Phase Reconnectable / Non-Reconnectable.

Cummins Onan Generator Specifications

Generator • Diesel • 60 Hz • Three Phase Reconnectable / Non-Reconnectable

Standby power: 1250 kWVoltage options: 6 configurationsDry weight: 23,951 lb (10,864 kg)

Key specifications

1250 kW Standby power

Diesel Fuel

6 configurations Voltage options

Three Phase Reconnectable / Non-Reconne… Phase

23,951 lb (10,864 kg) Dry weight

60 Hz Frequency

Useful generator charts

Charts are shown only when this model has enough usable source data.

Power-to-weight

Standby output per 1,000 lb of dry weight versus similar-output Cummins Onan models.

This model

52.2 kW

Peer average

55.6 kW

54th percentile

Power output

Low 1,100 kW High 1,250 kW

Standby

1,250 kW

Prime

1,100 kW

Model spec snapshot

Representative numeric specifications from this generator.

1,250 kWStandby

23,951.02 lbWeight

How the Cummins Onan DFLC 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

1,250 kW

32% below avg

20th percentile

Dry weight

23,951 lb

21% below avg

32nd percentile

Oil capacity

46.76 gal

10% below avg

43rd percentile

Standby power1,250 kW

Low 1,000 kWAverage 1,831.9 kWHigh 3,562 kW

About 32% below the similar-output Cummins Onan average. Around the 20th percentile for this field.

Dry weight23,951 lb

Low 71 lbAverage 30,152 lbHigh 65,094 lb

About 21% below the similar-output Cummins Onan average. Around the 32nd percentile for this field.

Oil capacity46.76 gal

Low 0.28 galAverage 51.88 galHigh 105.14 gal

About 10% below the similar-output Cummins Onan average. Around the 43rd percentile for this field.

This model Peer average

Generator information

Manufacturer	Cummins Onan
Model	DFLC
Generator type	Generator
Fuel	Diesel
Frequency	60 Hz

Electrical output

Standby power	1250 kW
Prime power	1100 kW
Standby kVA	1563.0
Voltage options	220/380 V, 240/416 V, 254/440 V, 277/480 V, 347/600 V, 2200/4160 V
Phase	Three Phase Reconnectable / Non-Reconnectable

Engine, cooling and controls

Engine model	Cummins/Onan KTA 50 G3
Engine displacement	3, 069 cu in (50.3 L)
Aspiration / cooling	Turbocharged-Aftercooled
Rated engine speed	1800 rpm
Engine oil capacity	67.1 gal (254 L)
Engine coolant capacity	92.7 gal (351 L)
Oil capacity	46.8 gal (177 L)
Coolant capacity	102 gal (386.1 L)
Maximum ambient	104 °F (40 °C)
Controller	Cascade, DetectorControl, PowerCommand, PowerCommand 2100, PowerCommand 3100 (PCC)
Alternator	Cummins/Onan S-1150 (50 Hz); S-1149 (60 Hz)

Physical specifications

Dry weight	23, 951 lb (10, 864 kg)
Dimensions (L × W × H)	222.5 × 89.6 × 96.1 in (5652 × 2277 × 2441 mm)

Battery

Battery group	Four, 12 Volt
Battery cranking	1400 CCA
Battery voltage	24 V
Battery quantity	4

Fuel consumption

Standby	77.2 gal/h (98.0 L/h) @ 0%; 174.0 L/h @ 1%; 249.0 L/h @ 100%; 330.0 L/h; 292.6 L/h
Prime	89.0 L/h @ 0%; 157.0 L/h @ 1%; 222.0 L/h; 291.0 L/h

Maintenance and service parts

Engine oil	Interval: 3600 hr; Capacity: 177.0 l
Oil filter	Part number: LF3325
Fuel filter	Part number: FS1006
Air filter	Interval: 3600 hr
Coolant	Interval: 3600 hr; Capacity: 440.0 l

Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Cummins North America generator website.