Cummins Onan DGDK Specs (Power | Fuel Consumption)

The Cummins Onan DGDK generator is listed with standby output of 125 kW, Diesel fuel, 60 Hz operation, 8 available voltage configurations, and Three phase.

Cummins Onan Generator Specifications

Generator • Diesel • 60 Hz • Three phase

Standby power: 125 kWVoltage options: 8 configurationsDry weight: 2,515 lb (1,141 kg)

Key specifications

125 kW Standby power

Diesel Fuel

8 configurations Voltage options

Three phase Phase

2,515 lb (1,141 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

49.7 kW

Peer average

31.8 kW

97th percentile

Power output

Low 113 kW High 125 kW

Standby

125 kW

Prime

113 kW

Model spec snapshot

Representative numeric specifications from this generator.

125 kWStandby

2,515.47 lbWeight

How the Cummins Onan DGDK 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

125 kW

34% above avg

82nd percentile

Dry weight

2,515 lb

30% below avg

31st percentile

Oil capacity

4.57 gal

10% above avg

73rd percentile

Standby power125 kW

Low 60 kWAverage 93 kWHigh 144.5 kW

About 34% above the similar-output Cummins Onan average. Around the 82nd percentile for this field.

Dry weight2,515 lb

Low 1,881 lbAverage 3,569 lbHigh 6,592 lb

About 30% below the similar-output Cummins Onan average. Around the 31st percentile for this field.

Oil capacity4.57 gal

Low 1.22 galAverage 4.16 galHigh 8.19 gal

About 10% above the similar-output Cummins Onan average. Around the 73rd percentile for this field.

This model Peer average

Generator information

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

Electrical output

Standby power	125 kW
Prime power	113 kW
Standby kVA	156.0
Voltage options	120/208 V, 127/220 V, 240/416 V, 277/480 V, 120/240 V, 139/240 V, 254/440 V, 347/600 V
Phase	Three phase

Engine, cooling and controls

Engine model	Cummins/Onan 6BTA5.9
Engine displacement	360 cu in (5.9 L)
Engine oil capacity	4.23 gal (16 L)
Engine coolant capacity	8.32 gal (31.5 L)
Oil capacity	4.57 gal (17.3 L)
Coolant capacity	2.17 gal (8.2 L)
Maximum ambient	104 °F (40 °C)
Controller	PowerCommand, PowerCommand 2100, PowerCommand 3100
Alternator	Cummins/Onan 12-lead reconnectable alternator fitted with selection switch
Emissions	Tier 1

Physical specifications

Dry weight	2, 515 lb (1, 141 kg)
Dimensions (L × W × H)	104.8 × 40 × 49.3 in (2662 × 1016 × 1252 mm)

Battery

Battery group	4D
Battery cranking	460 amps minimum CCA
Battery voltage	12 Volt V
Battery quantity	1

Fuel system and runtime

Fuel tank	6.6 gal (25 L)

Maintenance and service parts

Engine oil	Specification: Lubrication system oil capacity; Capacity: 17.3 l
Oil filter	Specification: Oil and fuel filter fitted, water separator.
Air filter	Specification: Normal duty air filter.
Coolant	Specification: Coolant capacity (only engine); Capacity: 9.9 l

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