The Cummins Onan 750 DQCB generator is listed with standby output of 750 kW, 60 Hz operation, Three phase, and sound level of 91.1 dBA @ 23 ft (7 m).
Generator • 60 Hz • Three phase
Key specifications
Useful generator charts
Charts are shown only when this model has enough usable source data.
150.4 kW
58 kW
How the Cummins Onan 750 DQCB compares
This compares the supplied numeric specification with Cummins Onan generators in the same broad standby-power class where enough comparable data exists.
About 13% above the similar-output Cummins Onan average. Around the 67th percentile for this field.
About 68% below the similar-output Cummins Onan average. Around the 9th percentile for this field.
About 7% above the similar-output Cummins Onan average. Around the 83rd percentile for this field.
About 44% below the similar-output Cummins Onan average. Around the 20th percentile for this field.
Generator information
| Manufacturer | Cummins Onan |
|---|---|
| Model | 750 DQCB |
| Generator type | Generator |
| Frequency | 60 Hz |
Electrical output
| Standby power | 750 kW |
|---|---|
| Standby kVA | 750.0 |
| Phase | Three phase |
Engine, cooling and controls
| Engine model | Cummins/Onan QSK23 Series |
|---|---|
| Engine displacement | 1, 404 cu in (23 L) |
| Aspiration / cooling | Turbocharged and After-cooled |
| Rated engine speed | 1470 rpm |
| Engine oil capacity | 15.1 gal (57 L) |
| Engine coolant capacity | 12.2 gal (46.2 L) |
| Oil capacity | 15.1 gal (57 L) |
Physical specifications
| Dry weight | 4, 987 lb (2, 262 kg) |
|---|---|
| Dimensions (L × W × H) | 187.5 × 82 × 62.8 in (4762 × 2083 × 1595 mm) |
| Sound level | 91.1 dBA @ 23 ft (7 m) |
Battery
| Battery voltage | 24 V |
|---|
Maintenance and service parts
| Engine oil | Interval: 250 hr; Specification: Oil pressure range at rated: 50-65 PSI (345-448 kPa); Capacity: 54.8 |
|---|---|
| Oil filter | Part number: LF9325; Specification: (2) Cummins Filtration LF9325 |
| Fuel filter | Interval: 200 hr; Specification: (1) primary element AF25544; (1) secondary element AF25545, (2) Cummins Filtration FS1006 |
| Air filter | Interval: 1000 hr; Specification: (1) primary element AF25544; (1) secondary element AF25545 |
| Coolant | Interval: 24000 hr; Specification: Antifreeze 50/50 (Ethylene glycol) |
| Coolant filter | Specification: (1) Cummins Filtration WF2076 |
| Belt | Interval: 15000 hr; Specification: Steel, flanged; Stainless steel flex, NPT |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Cummins North America generator website.