Cummins Onan C25 D6 Specs (Power | Fuel Consumption)

The Cummins Onan C25 D6 generator is listed with standby output of 25 kW, 60 Hz operation, 4 available voltage configurations, and Three phase.

Cummins Onan Generator Specifications

Generator • 60 Hz • Three phase

Standby power: 25 kWVoltage options: 4 configurationsDry weight: 1,111 lb (504 kg)

Key specifications

25 kW Standby power

4 configurations Voltage options

Three phase Phase

1,111 lb (504 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

22.5 kW

Peer average

19.2 kW

68th percentile

Power output

Low 22 kW High 25 kW

Standby

25 kW

Prime

22 kW

Model spec snapshot

Representative numeric specifications from this generator.

25 kWStandby

1,111.13 lbWeight

How the Cummins Onan C25 D6 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

25 kW

21% above avg

82nd percentile

Dry weight

1,111 lb

14% below avg

62nd percentile

Standby power25 kW

Low 15 kWAverage 20.7 kWHigh 26.8 kW

About 21% above the similar-output Cummins Onan average. Around the 82nd percentile for this field.

Dry weight1,111 lb

Low 531 lbAverage 1,292 lbHigh 3,100 lb

About 14% below the similar-output Cummins Onan average. Around the 62nd percentile for this field.

This model Peer average

Generator information

Manufacturer	Cummins Onan
Model	C25 D6
Generator type	Generator
Frequency	60 Hz

Electrical output

Standby power	25 kW
Prime power	22 kW
Standby kVA	31.0
Voltage options	120/240 V, 120/208 V, 277/480 V, 347/600 V
Phase	Three phase

Engine, cooling and controls

Coolant capacity	13.2 gal (50 L)
Maximum ambient	122 °F (50 °C)
Controller	PowerCommand 1.1
Alternator	Cummins/Onan Brushless, 4 pole, drip proof, revolving field

Physical specifications

Dry weight	1, 111 lb (504 kg)
Dimensions (L × W × H)	87.6 × 34 × 44.1 in (2224 × 864 × 1121 mm)

Maintenance and service parts

Oil filter	Specification: Oil filter

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