The Cummins Onan MDL3 generator is listed with standby output of 12 kW, No.2 Diesel fuel, 50 Hz operation, 344 V output, and Three phase.
Generator • No.2 Diesel • 50 Hz • Three phase
Key specifications
Useful generator charts
Charts are shown only when this model has enough usable source data.
12 kW
10 kW
How the Cummins Onan MDL3 compares
This compares the supplied numeric specification with Cummins Onan generators in the same broad standby-power class where enough comparable data exists.
About 92% above the similar-output Cummins Onan average. Around the 87th percentile for this field.
About 102% above the similar-output Cummins Onan average. Around the 93rd percentile for this field.
Generator information
| Manufacturer | Cummins Onan |
|---|---|
| Model | MDL3 |
| Generator type | Generator |
| Fuel | No.2 Diesel |
| Frequency | 50 Hz |
Electrical output
| Standby power | 12 kW |
|---|---|
| Prime power | 10 kW |
| Standby kVA | 12.0 |
| Voltage options | 344 V |
| Phase | Three phase |
| Power factor | 0.8 |
Engine, cooling and controls
| Engine model | Cummins/Onan 3A1.7 |
|---|---|
| Rated engine speed | 1800 rpm |
| Oil capacity | 1.59 gal (6 L) |
| Coolant capacity | 2.64 gal (10 L) |
| Maximum ambient | 30 / 40 °C |
Battery
| Battery group | 12 |
|---|---|
| Battery cranking | 500 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
Fuel system and runtime
| Fuel tank | 15.1 gal (57 L) |
|---|
Fuel consumption
| Prime | 3.0 gal/h @ 50%; 6.1 gal/h @ 100% |
|---|
Maintenance and service parts
| Oil filter | Interval: 500 hr |
|---|---|
| Fuel filter | Part number: FSl496 |
| Air filter | Specification: Check for oil, fuel, cooling and exhaust system leaks. Check exhaust system audibly and visually. |
| Belt | Interval: 3 hr; Specification: 60 pounds (267 N) |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Cummins North America generator website.