Cummins Onan C500D6R Specs (Power | Fuel Consumption)

The Cummins Onan C500D6R generator is listed with standby output of 500 kW, 60 Hz operation, 208 V, 480 V output, 3 phase, and sound level of 72 dBA @ 23 ft (7 m).

Cummins Onan Generator Specifications

Generator • 60 Hz • 3 phase

Standby power: 500 kWVoltage options: 208 V, 480 VDry weight: 22,761 lb (10,324 kg)

Key specifications

500 kW Standby power

208 V, 480 V Voltage options

3 phase Phase

22,761 lb (10,324 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.

Power-to-weight

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

This model

22 kW

Peer average

58 kW

4th percentile

Power output

Low 455 kW High 500 kW

Standby

500 kW

Prime

455 kW

Model spec snapshot

Representative numeric specifications from this generator.

500 kWStandby

22,760.52 lbWeight

72 dBASound

How the Cummins Onan C500D6R 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

500 kW

25% below avg

15th percentile

Dry weight

22,761 lb

47% above avg

91st percentile

Sound level

72 dBA

15% below avg

6th percentile

Oil capacity

22.01 gal

18% below avg

39th percentile

Standby power500 kW

Low 400 kWAverage 665.2 kWHigh 921.6 kW

About 25% below the similar-output Cummins Onan average. Around the 15th percentile for this field.

Dry weight22,761 lb

Low 4,643 lbAverage 15,485 lbHigh 39,573 lb

About 47% above the similar-output Cummins Onan average. Around the 91st percentile for this field.

Sound level72 dBA

Low 72.6 dBAAverage 84.8 dBAHigh 91.3 dBA

About 15% below the similar-output Cummins Onan average. Around the 6th percentile for this field.

Oil capacity22.01 gal

Low 8.83 galAverage 27 galHigh 54.53 gal

About 18% below the similar-output Cummins Onan average. Around the 39th percentile for this field.

This model Peer average

Generator information

Manufacturer	Cummins Onan
Model	C500D6R
Generator type	Generator
Frequency	60 Hz

Electrical output

Standby power	500 kW
Prime power	455 kW
Voltage options	208 V, 480 V
Phase	3 phase
Circuit breaker	1800 A

Engine, cooling and controls

Engine model	Cummins/Onan QSX15-G9 NR
Engine displacement	909 cu in (14.9 L)
Oil capacity	22 gal (83.3 L)
Controller	PowerCommand 3.3
Alternator	Cummins/Onan QSX15-G9 (4-pole, Class H insulation)
Emissions	TPEM (Tier II)

Physical specifications

Dry weight	22, 761 lb (10, 324 kg)
Dimensions (L × W × H)	239 × 96 × 102 in (6071 × 2438 × 2591 mm)
Sound level	72 dBA @ 23 ft (7 m)

Battery

Battery cranking	1235 CCA
Battery voltage	24 V
Battery quantity	2

Fuel system and runtime

Tank runtime	33 hr

Fuel consumption

Standby	44 gal/h (11.6 L/h)
Prime	130 gal/h (34.4 L/h)

Maintenance and service parts

Engine oil	Capacity: 83.3 L

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