The Cummins Onan DGBB generator is listed with standby output of 35 kW, Diesel fuel, 60 Hz operation, 12 V output, Three phase, and sound level of 68 dBA @ 23 ft (7 m).
Generator • Diesel • 60 Hz • Three phase
Key specifications
Useful generator charts
Charts are shown only when this model has enough usable source data.
21 kW
20.4 kW
35 kW
28 kW
How the Cummins Onan DGBB compares
This compares the supplied numeric specification with Cummins Onan generators in the same broad standby-power class where enough comparable data exists.
About 15% below the similar-output Cummins Onan average. Around the 26th percentile for this field.
About 24% below the similar-output Cummins Onan average. Around the 18th percentile for this field.
About 6% below the similar-output Cummins Onan average. Around the 30th percentile for this field.
About 14% above the similar-output Cummins Onan average. Around the 61st percentile for this field.
Generator information
| Manufacturer | Cummins Onan |
|---|---|
| Model | DGBB |
| Generator type | Generator |
| Fuel | Diesel |
| Frequency | 60 Hz |
Electrical output
| Standby power | 35 kW |
|---|---|
| Prime power | 28 kW |
| Standby kVA | 44.0 |
| Voltage options | 12 V |
| Phase | Three phase |
Engine, cooling and controls
| Engine model | Cummins/Onan 4B3.9 |
|---|---|
| Engine oil capacity | 2.91 gal (11 L) |
| Engine coolant capacity | 5.55 gal (21 L) |
| Oil capacity | 2.91 gal (11 L) |
| Coolant capacity | 5.55 gal (21 L) |
| Controller | Detector, PCC, PowerCommand, PowerCommand 2100, PowerCommand 3100, PowerCommand PCC2100 |
| Alternator | Cummins/Onan 12-lead reconnectable alternator fitted with voltage selection switch |
Physical specifications
| Dry weight | 1, 669 lb (757 kg) |
|---|---|
| Dimensions (L × W × H) | 125.5 × 42 × 69 in (3188 × 1067 × 1753 mm) |
| Sound level | 68 dBA @ 23 ft (7 m) |
Battery
| Battery group | 4 |
|---|---|
| Battery cranking | 1080 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
Fuel system and runtime
| Fuel tank | 6.34 gal (24 L) |
|---|---|
| Tank runtime | 11.0 hr |
Maintenance and service parts
| Engine oil | Interval: 500 hr; Specification: Cummins engine Operation and Maintenance Manual |
|---|---|
| Fuel filter | Interval: 50 hr; Specification: Cummins engine Operation and Maintenance Manual |
| Air filter | Interval: 8760 hr; Specification: Cummins engine Operation and Maintenance Manual |
| Coolant | Specification: Cummins engine Operation and Maintenance Manual |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Cummins North America generator website.