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Cummins Onan 500 DFEK Specs (Power | Fuel Consumption)

The Cummins Onan 500 DFEK generator is listed with standby output of 600 kW, 50 Hz operation, and sound level of 89 dBA @ 23 ft (7 m).

Cummins Onan Generator Specifications

Generator • 50 Hz

Standby power: 600 kWDry weight: 4,987 lb (2,262 kg)

Key specifications

600 kW Standby power
4,987 lb (2,262 kg) Dry weight
89 dBA @ 23 ft (7 m) Sound level
50 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

120.3 kW

Peer average

58 kW

90th percentile
Power output
Low 500 kW High 600 kW
Standby

600 kW

Prime

500 kW

Model spec snapshot
Representative numeric specifications from this generator.
600 kWStandby
4,986.86 lbWeight
89 dBASound

How the Cummins Onan 500 DFEK 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
600 kW
10% below avg
36th percentile
Dry weight
4,987 lb
68% below avg
9th percentile
Sound level
89 dBA
5% above avg
61st percentile
Oil capacity
22.01 gal
18% below avg
39th percentile
Standby power600 kW
Low 400 kWAverage 665.2 kWHigh 921.6 kW

About 10% below the similar-output Cummins Onan average. Around the 36th percentile for this field.

Dry weight4,987 lb
Low 4,643 lbAverage 15,485 lbHigh 39,573 lb

About 68% below the similar-output Cummins Onan average. Around the 9th percentile for this field.

Sound level89 dBA
Low 72.6 dBAAverage 84.8 dBAHigh 91.3 dBA

About 5% above the similar-output Cummins Onan average. Around the 61st 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 500 DFEK
Generator type Generator
Frequency 50 Hz

Electrical output

Standby power 600 kW
Prime power 500 kW

Engine, cooling and controls

Engine model Cummins/Onan QSX15-G8
Engine displacement 915 cu in (15 L)
Aspiration / cooling Turbocharged with air-to-air charge air cooling
Rated engine speed 1500 rpm
Engine oil capacity 22 gal (83.3 L)
Oil capacity 22 gal (83.3 L)

Physical specifications

Dry weight 4, 987 lb (2, 262 kg)
Dimensions (L × W × H) 187.5 × 82 × 62.8 in (4762 × 2083 × 1595 mm)
Sound level 89 dBA @ 23 ft (7 m)

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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