Cummins Onan DFHD Specs (Power | Fuel Consumption)

The Cummins Onan DFHD generator is listed with standby output of 1000 kW, Diesel fuel, 50 Hz operation, 24 V output, Three phase, rated current of 3343 A, and sound level of 1,400 dBA @ 23 ft (7 m).

Cummins Onan Generator Specifications

Generator • Diesel • 50 Hz • Three phase

Standby power: 1000 kWVoltage options: 24 VRated current: 3343 ADry weight: 16,923 lb (7,676 kg)

Key specifications

1000 kW Standby power

Diesel Fuel

24 V Voltage options

Three phase Phase

3343 A Rated current

16,923 lb (7,676 kg) Dry weight

1,400 dBA @ 23 ft (7 m) Sound level

50 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

59.1 kW

Peer average

55.6 kW

76th percentile

Power output

Low 900 kW High 1,000 kW

Standby

1,000 kW

Prime

900 kW

Model spec snapshot

Representative numeric specifications from this generator.

1,000 kWStandby

3,343 ACurrent

16,922.68 lbWeight

1,400 dBASound

How the Cummins Onan DFHD 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

1,000 kW

45% below avg

4th percentile

Rated current

3,343 A

919% above avg

95th percentile

Dry weight

16,923 lb

44% below avg

21st percentile

Sound level

1,400 dBA

1631% above avg

99th percentile

Standby power1,000 kW

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

About 45% below the similar-output Cummins Onan average. Around the 4th percentile for this field.

Rated current3,343 A

Low 10 AAverage 328 AHigh 2,681 A

About 919% above the similar-output Cummins Onan average. Around the 95th percentile for this field.

Dry weight16,923 lb

Low 71 lbAverage 30,152 lbHigh 65,094 lb

About 44% below the similar-output Cummins Onan average. Around the 21st percentile for this field.

Sound level1,400 dBA

Low 54.8 dBAAverage 80.9 dBAHigh 123.4 dBA

About 1631% above the similar-output Cummins Onan average. Around the 99th percentile for this field.

Oil capacity9.25 gal

Low 0.28 galAverage 51.88 galHigh 105.14 gal

About 82% below the similar-output Cummins Onan average. Around the 10th percentile for this field.

This model Peer average

Generator information

Manufacturer	Cummins Onan
Model	DFHD
Generator type	Generator
Fuel	Diesel
Frequency	50 Hz

Electrical output

Standby power	1000 kW
Prime power	900 kW
Standby kVA	1250.0
Voltage options	24 V
Phase	Three phase
Rated current	3343 A

Engine, cooling and controls

Engine model	Cummins/Onan QST30-G4
Engine displacement	1, 861 cu in (30.5 L)
Aspiration / cooling	turbocharged, After-cooled
Rated engine speed	1500 rpm
Engine oil capacity	40.7 gal (154 L)
Engine coolant capacity	37.2 gal (141 L)
Oil capacity	9.25 gal (35 L)
Coolant capacity	57.1 gal (216 L)
Controller	Cascade, PCC 3100, PCC 3100 (PowerCommand), PowerCommand, PowerCommand 3100, PowerCommand 3100 (PCC), PowerCommand digital electronic
Alternator	Cummins/Onan QST30-G5 (2P/2L)

Physical specifications

Dry weight	16, 923 lb (7, 676 kg)
Dimensions (L × W × H)	11.1 × 282 × 3.8 in (282 × 7162 × 96 mm)
Sound level	1, 400 dBA @ 23 ft (7 m)

Battery

Battery group	8D
Battery cranking	1400 CCA
Battery voltage	12 V
Battery quantity	2

Fuel system and runtime

Fuel tank	69.4 gal (262.6 L)

Fuel consumption

Standby	75%
Prime	100%

Maintenance and service parts

Engine oil	Interval: 2000 hr; Capacity: 154.0 L
Oil filter	Part number: 3825142; Interval: 2000 hr; Specification: P8500 fuel pump (G-Drive)
Fuel filter	Interval: 2000 hr
Coolant filter	Interval: 250 hr; Specification: filter
Belt	Part number: ST669; Interval: 250 hr

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