The Cummins Onan 620DFHA generator is listed with standby output of 620 kW, 50 Hz operation, and Three phase.
Cummins Onan Generator Specifications
Generator • 50 Hz • Three phase
Standby power: 620 kW
Key specifications
620 kW Standby power
Three phase Phase
50 Hz Frequency
How the Cummins Onan 620DFHA 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
620 kW
7% below avg
41st percentile
Oil capacity
36.98 gal
37% above avg
81st percentile
Standby power620 kW
Low 400 kWAverage 665.2 kWHigh 921.6 kW
About 7% below the similar-output Cummins Onan average. Around the 41st percentile for this field.
Oil capacity36.98 gal
Low 8.83 galAverage 27 galHigh 54.53 gal
About 37% above the similar-output Cummins Onan average. Around the 81st percentile for this field.
This model Peer average
Generator information
| Manufacturer | Cummins Onan |
|---|---|
| Model | 620DFHA |
| Generator type | Generator |
| Frequency | 50 Hz |
Electrical output
| Standby power | 620 kW |
|---|---|
| Phase | Three phase |
Engine, cooling and controls
| Engine model | Cummins/Onan QST30-G1 |
|---|---|
| Engine displacement | 1, 861 cu in (30.5 L) |
| Aspiration / cooling | turbocharged, aftercooled |
| Rated engine speed | 1800 rpm |
| Engine oil capacity | 37 gal (140 L) |
| Engine coolant capacity | 53.1 gal (201 L) |
| Oil capacity | 37 gal (140 L) |
| Controller | PowerCommand 3100 |
Battery
| Battery voltage | 24 V |
|---|
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Cummins North America generator website.