The Cummins Onan 122 DGEA generator is listed with standby output of 133 kW, Diesel fuel, 60 Hz operation, 220 V, 480 V output, and Single phase.
Generator • Diesel • 60 Hz • Single phase
Key specifications
Useful generator charts
Charts are shown only when this model has enough usable source data.
38.9 kW
31.8 kW
How the Cummins Onan 122 DGEA compares
This compares the supplied numeric specification with Cummins Onan generators in the same broad standby-power class where enough comparable data exists.
About 43% above the similar-output Cummins Onan average. Around the 89th percentile for this field.
About 4% below the similar-output Cummins Onan average. Around the 79th percentile for this field.
About 51% above the similar-output Cummins Onan average. Around the 88th percentile for this field.
Generator information
| Manufacturer | Cummins Onan |
|---|---|
| Model | 122 DGEA |
| Generator type | Generator |
| Fuel | Diesel |
| Frequency | 60 Hz |
Electrical output
| Standby power | 133 kW |
|---|---|
| Standby kVA | 167.0 |
| Voltage options | 220 V, 480 V |
| Phase | Single phase |
| Circuit breaker | 210 A |
Engine, cooling and controls
| Engine model | Cummins/Onan 6CT8.3G2 |
|---|---|
| Engine displacement | 506 cu in (8.3 L) |
| Aspiration / cooling | Turbocharged |
| Rated engine speed | 1800 rpm |
| Engine oil capacity | 6.29 gal (23.8 L) |
| Engine coolant capacity | 6.87 gal (26 L) |
| Oil capacity | 6.29 gal (23.8 L) |
| Coolant capacity | 6.87 gal (26 L) |
| Maximum ambient | 104 °F (40 °C) |
| Controller | PCL |
Physical specifications
| Dry weight | 3, 417 lb (1, 550 kg) |
|---|---|
| Dimensions (L × W × H) | 91.8 × 86.6 × 33.1 in (2332 × 2200 × 840 mm) |
Fuel system and runtime
| Fuel tank | 87.2 gal (330 L) |
|---|
Maintenance and service parts
| Engine oil | Interval: 1000 hr; Specification: Lube Oil Filter Types: Single spin-on canister-combination full flow with bypass; Capacity: 25.2 L |
|---|---|
| Oil filter | Interval: 500 hr; Specification: Lube Oil Filter Types: Single spin-on canister-combination full flow with bypass |
| Fuel filter | Interval: 1000 hr; Specification: Change every 1000 hours or as required |
| Air filter | Interval: 500 hr; Specification: Change every 500 hours or as required |
| Coolant | Interval: 10000 hr; Specification: Change every 10, 000 hours or as required; Capacity: 26.0 L |
| Belt | Interval: 5000 hr; Specification: Change every 5000 hours or as required |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Cummins North America generator website.