The Cummins Onan 40DGCA generator is listed with standby output of 40 kW, 50 Hz operation, and 1 or 3.
Cummins Onan Generator Specifications
Generator • 50 Hz • 1 or 3
Standby power: 40 kW
Key specifications
40 kW Standby power
1 or 3 Phase
50 Hz Frequency
How the Cummins Onan 40DGCA 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
40 kW
In line with avg
47th percentile
Oil capacity
3.04 gal
20% above avg
73rd percentile
Standby power40 kW
Low 30 kWAverage 41.2 kWHigh 55 kW
Very close to the similar-output Cummins Onan average. Around the 47th percentile for this field.
Oil capacity3.04 gal
Low 1.14 galAverage 2.54 galHigh 4.06 gal
About 20% above the similar-output Cummins Onan average. Around the 73rd percentile for this field.
This model Peer average
Generator information
| Manufacturer | Cummins Onan |
|---|---|
| Model | 40DGCA |
| Generator type | Generator |
| Frequency | 50 Hz |
Electrical output
| Standby power | 40 kW |
|---|---|
| Phase | 1 or 3 |
Engine, cooling and controls
| Engine model | Cummins/Onan 4BT3.9-G2 |
|---|---|
| Engine displacement | 238 cu in (3.9 L) |
| Aspiration / cooling | turbo-charged |
| Rated engine speed | 1500 rpm |
| Engine oil capacity | 3.04 gal (11.5 L) |
| Engine coolant capacity | 5.55 gal (21 L) |
| Oil capacity | 3.04 gal (11.5 L) |
Battery
| Battery voltage | 24 VDC V |
|---|
Maintenance and service parts
| Oil filter | Part number: REC1220602 |
|---|---|
| Fuel filter | Part number: REC1220185 |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Cummins North America generator website.