Cummins Onan DGFA Specs (Power | Fuel Consumption)

The Cummins Onan DGFA generator is listed with standby output of 150 kW, Diesel fuel, 60 Hz operation, 12 V output, Three phase, and sound level of 72 dBA @ 23 ft (7 m).

Cummins Onan Generator Specifications

Generator • Diesel • 60 Hz • Three phase

Standby power: 150 kWVoltage options: 12 VDry weight: 3,241 lb (1,470 kg)

Key specifications

150 kW Standby power

Diesel Fuel

12 V Voltage options

Three phase Phase

3,241 lb (1,470 kg) Dry weight

72 dBA @ 23 ft (7 m) Sound level

60 Hz Frequency

Useful generator charts

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

Fuel consumption by load

How fuel use changes as generator load increases.

25% load

3.2 gal/hr

50% load

5.8 gal/hr

75% load

8.3 gal/hr

100% load

11.1 gal/hr

Estimated runtime by load

Calculated from the listed 6.6 gal fuel capacity and fuel-consumption data.

25% load

2 hr

50% load

1.1 hr

75% load

0.8 hr

100% load

0.6 hr

Power-to-weight

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

This model

46.3 kW

Peer average

45.1 kW

70th percentile

Power output

Low 135 kW High 150 kW

Standby

150 kW

Prime

135 kW

How the Cummins Onan DGFA 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

150 kW

36% below avg

7th percentile

Dry weight

3,241 lb

45% below avg

12th percentile

Sound level

72 dBA

10% below avg

15th percentile

Oil capacity

5.28 gal

31% below avg

26th percentile

Standby power150 kW

Low 150 kWAverage 232.8 kWHigh 354.6 kW

About 36% below the similar-output Cummins Onan average. Around the 7th percentile for this field.

Dry weight3,241 lb

Low 2,199 lbAverage 5,923 lbHigh 12,467 lb

About 45% below the similar-output Cummins Onan average. Around the 12th percentile for this field.

Sound level72 dBA

Low 69.7 dBAAverage 79.8 dBAHigh 97 dBA

About 10% below the similar-output Cummins Onan average. Around the 15th percentile for this field.

Oil capacity5.28 gal

Low 1.81 galAverage 7.66 galHigh 13.73 gal

About 31% below the similar-output Cummins Onan average. Around the 26th percentile for this field.

This model Peer average

Generator information

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

Electrical output

Standby power	150 kW
Prime power	135 kW
Standby kVA	188.0
Voltage options	12 V
Phase	Three phase
Power factor	0.8

Engine, cooling and controls

Engine model	Cummins/Onan 6CTA 8.3-G2
Engine displacement	506 cu in (8.3 L)
Aspiration / cooling	Turbocharged
Rated engine speed	1800 rpm
Engine oil capacity	6.29 gal (23.8 L)
Engine coolant capacity	3.25 gal (12.3 L)
Oil capacity	5.28 gal (20 L)
Coolant capacity	7.5 gal (28.4 L)
Maximum ambient	122 °F (50 °C)
Controller	Detector 7, PCC, PowerCommand, PowerCommand 2100, PowerCommand 3100
Alternator	Cummins/Onan S-1125 50Hz / S-1126 60Hz
Emissions	Tier 1

Physical specifications

Dry weight	3, 241 lb (1, 470 kg)
Dimensions (L × W × H)	104.8 × 40 × 56.4 in (2662 × 1016 × 1433 mm)
Sound level	72 dBA @ 23 ft (7 m)

Battery

Battery group	4
Battery cranking	550 CCA
Battery voltage	12 V
Battery quantity	1

Fuel system and runtime

Fuel tank	6.55 gal (24.8 L)
Tank runtime	42.8 hr

Fuel consumption

Standby	3.2 gal/h (12.0 L/h) @ 25%; 5.8 gal/h (22.0 L/h) @ 50%; 8.3 gal/h (31.0 L/h) @ 75%; 11.1 gal/h (42.0 L/h) @ 100%
Prime	2.9 gal/h (11.0 L/h) @ 25%; 5.3 gal/h (20.0 L/h) @ 50%; 7.6 gal/h (29.0 L/h) @ 75%; 10.0 gal/h (38.0 L/h) @ 100%

Maintenance and service parts

Engine oil	Part number: 3377363; Specification: Cummins Premium Blue 15W40; Capacity: 6.0 gal
Oil filter	Part number: 3318853
Fuel filter	Part number: 3843760
Air filter	Part number: AF4669
Coolant	Capacity: 36
Belt	Part number: 3911562

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