Specifications
| Frequency | 60.0 Hz |
|---|---|
| Standby power | 750 kW |
| Oil capacity | 103.0 L |
| Phase | 3 |
| Battery voltage | 24 V |
| Dimensions (L×W×H) | 4762×2083×1595 mm |
| Dry weight | 2262 kg |
| Sound level | 91.1 dBA @ 7 m |
Engine
| Oil capacity | 103.0 L |
|---|---|
| Coolant capacity | 46.5 L |
| Displacement | 23.15 L |
| Aspiration | Turbocharged, Air to Air Aftercooled |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Cummins/Onan QSK23-G7 NR2| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Dry, Dual Element | — | |||
| Fuel filter | 30 micron Racor ® fuel/water separator filter | — | |||
| Oil filter | 4 Spin-on, Full Flow | — | |||
| Battery | Negative 24 VDC | — | |||
| Belt | Belt Driven, Centrifugal | — | |||
| Spark plug | not specified | — |
Common questions
What size generator is the Cummins/Onan 750 DQCB?
The Cummins/Onan 750 DQCB is rated 750 kW standby.
What engine is in the Cummins/Onan 750 DQCB?
The Cummins/Onan 750 DQCB is powered by the Cummins/Onan QSK23-G7 NR2 engine.
How much oil does the Cummins/Onan 750 DQCB take?
The Cummins/Onan QSK23-G7 NR2 engine in the Cummins/Onan 750 DQCB has an oil capacity of 103.0 liters.
Parts
10| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 501-0876 | Line, Fuel Cooler Return (Bearward Cooling System, not shown) | 1 | Hose | Amazon eBay |
| 501-0877 | Line, Fuel Supply (Engine Accessories group) | 1 | Hose | Amazon eBay |
| 501-0892 | Line, Fuel Cooler Supply (Bearward Cooling System, not shown) | 1 | Hose | Amazon eBay |
| 503-1675 | Hose, Reducer (Air Cleaner group) | 1 | Hose | Amazon eBay |
| 503-2754-01 | Hose, Oil | 1 | Hose | Amazon eBay |
| A053A190 | Hose, Oil (Valve group) | 1 | Hose | Amazon eBay |
| A055E534 | Switch, Level (low coolant level warning) | 1 | Sensor | Amazon eBay |
| A059Z452 | Seal, O Ring (Valve group) | 1 | Seal | Amazon eBay |
| AF2559300 | Element, Replacement (Cummins Filtration Part Number) | 1 | Air filter | Amazon eBay |
| 140-1548 | Indicator, Service | 2 | Service part / kit | Amazon $29.99 eBay $49.99 |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Available documents
Spec sheet — s-1443 (Cummins/Onan)Parts manual — A056J197 I12 202505 (Cummins/Onan)