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Cummins Onan DGDB Specs (Power | Fuel Consumption)

The Cummins Onan DGDB generator is listed with standby output of 100 kW, diesel fuel, 60 Hz operation, 10 available voltage configurations, Three phase, and sound level of 70 dBA @ 23 ft (7 m).

Cummins Onan Generator Specifications

Generator • diesel • 60 Hz • Three phase

Standby power: 100 kWVoltage options: 10 configurationsDry weight: 2,564 lb (1,163 kg)

Key specifications

100 kW Standby power
diesel Fuel
10 configurations Voltage options
Three phase Phase
2,564 lb (1,163 kg) Dry weight
70 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.
No load

10 gal/hr

25% load

2 gal/hr

50% load

3.4 gal/hr

75% load

4.8 gal/hr

100% load

6.4 gal/hr

Estimated runtime by load
Calculated from the listed 6.6 gal fuel capacity and fuel-consumption data.
No load

0.7 hr

25% load

3.3 hr

50% load

1.9 hr

75% load

1.4 hr

100% load

1 hr

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

39 kW

Peer average

31.8 kW

82nd percentile
Power output
Low 90 kW High 100 kW
Standby

100 kW

Prime

90 kW

How the Cummins Onan DGDB 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
100 kW
8% above avg
64th percentile
Dry weight
2,564 lb
28% below avg
34th percentile
Sound level
70 dBA
7% below avg
35th percentile
Oil capacity
4.33 gal
4% above avg
62nd percentile
Standby power100 kW
Low 60 kWAverage 93 kWHigh 144.5 kW

About 8% above the similar-output Cummins Onan average. Around the 64th percentile for this field.

Dry weight2,564 lb
Low 1,881 lbAverage 3,569 lbHigh 6,592 lb

About 28% below the similar-output Cummins Onan average. Around the 34th percentile for this field.

Sound level70 dBA
Low 67.2 dBAAverage 75.1 dBAHigh 87.6 dBA

About 7% below the similar-output Cummins Onan average. Around the 35th percentile for this field.

Oil capacity4.33 gal
Low 1.22 galAverage 4.16 galHigh 8.19 gal

About 4% above the similar-output Cummins Onan average. Around the 62nd percentile for this field.

This model Peer average

Generator information

Manufacturer Cummins Onan
Model DGDB
Generator type Generator
Fuel diesel
Frequency 60 Hz

Electrical output

Standby power 100 kW
Prime power 90 kW
Standby kVA 125.0
Voltage options 110/190 V, 120/208 V, 127/220 V, 139/240 V, 220/380 V, 240/416 V, 254/440 V, 277/480 V, 347/600 V, 120/240 V
Phase Three phase
Power factor 0.8

Engine, cooling and controls

Engine model Cummins/Onan 6BT5.9-G6
Engine displacement 360 cu in (5.9 L)
Aspiration / cooling Turbocharged
Rated engine speed 1800 rpm
Engine oil capacity 4.33 gal (16.4 L)
Engine coolant capacity 6.5 gal (24.6 L)
Oil capacity 4.33 gal (16.4 L)
Coolant capacity 6.5 gal (24.6 L)
Maximum ambient 122 °F (50 °C)
Controller PCC, PowerCommand, PowerCommand 2100, PowerCommand 3100, PowerCommand PCC2100
Alternator Cummins/Onan S-1121 50Hz / S-1122 60Hz
Emissions Tier 1

Physical specifications

Dry weight 2, 564 lb (1, 163 kg)
Wet weight 2, 650 lb (1, 202 kg)
Dimensions (L × W × H) 104.8 × 40 × 49.3 in (2662 × 1016 × 1252 mm)
Sound level 70 dBA @ 23 ft (7 m)

Battery

Battery group 4D
Battery cranking 460 CCA
Battery voltage 12-volt V
Battery quantity 1

Fuel system and runtime

Fuel tank 6.6 gal (25 L)

Fuel consumption

Standby 10.0 gal/h (2.6 L/h) @ 0%; 2.0 gal/h (8.0 L/h) @ 25%; 3.4 gal/h (13.0 L/h) @ 50%; 4.8 gal/h (18.0 L/h) @ 75%; 6.4 gal/h (24.0 L/h) @ 100%
Prime 9.0 gal/h (2.4 L/h) @ 0%; 2.0 gal/h (8.0 L/h) @ 25%; 3.2 gal/h (12.0 L/h) @ 50%; 4.5 gal/h (17.0 L/h) @ 75%; 6.1 gal/h (23.0 L/h) @ 100%

Maintenance and service parts

Coolant Capacity: 22.8

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

Ernie Lo

Ernie Lo is a qualified web designer and web developer. He works as an IT support technician and website manager at Benleigh Vending, and he also fixes vending machines.

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