Specifications
| Fuel | 4 cycle, turbocharged |
|---|---|
| Frequency | 50.0 Hz |
| Standby power | 665 kW |
| Standby kVA | 724 |
| Prime power | 582 kW |
| Emissions | EPA Tier 2 |
| Controller | CM2250 ECM, G-Drive Governor (GCS) |
| Oil capacity | 143.0 L |
| Alternator | 35A |
| Voltage options | 50 V, 60 V |
| Coolant capacity | 110 L |
| Max ambient | 55.3 °C |
| Dimensions (L×W×H) | 2976×1656×1964 mm |
| Dry weight | 3245 kg |
Engine
| Oil capacity | 57.0 L |
|---|---|
| Coolant capacity | 46.2 L |
| Displacement | 23.0 L |
| Aspiration | Turbocharged and After-cooled |
| Rated speed | 1470 rpm |
Maintenance & consumables
for the Cummins/Onan QSK23 Series| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | (1) primary element AF25544; (1) secondary element AF25545 | — | 1000 hr | find | |
| Fuel filter | (1) primary element AF25544; (1) secondary element AF25545, (2) Cummins Filtration FS1006 | — | 200 hr | find | |
| Oil filter | (2) Cummins Filtration LF9325 | LF9325 | PartsGeek | ||
| Belt | Steel, flanged; Stainless steel flex, NPT | — | 15000 hr | find | |
| Coolant | Antifreeze 50/50 (Ethylene glycol) | — | 24000 hr | ||
| Coolant filter | (1) Cummins Filtration WF2076 | — | find | ||
| Oil | Oil pressure range at rated: 50-65 PSI (345-448 kPa) | 54.8 | — | 250 hr |
Common questions
What is the power rating of the Cummins/Onan QSK23?
The Cummins/Onan QSK23 is rated 665 kW standby (724.0 kVA).
What engine does the Cummins/Onan QSK23 use?
The Cummins/Onan QSK23 is powered by the Cummins/Onan QSK23 Series engine.
What fuel does the Cummins/Onan QSK23 use?
The Cummins/Onan QSK23 runs on 4 cycle, turbocharged.
What is the oil capacity of the Cummins/Onan QSK23?
The Cummins/Onan QSK23 Series engine in the Cummins/Onan QSK23 has an oil capacity of 57.0 liters.
What alternator does the Cummins/Onan QSK23 use?
The Cummins/Onan QSK23 uses a 35A alternator.
What oil filter does the Cummins/Onan QSK23 use?
The Cummins/Onan QSK23 uses oil filter part number LF9325.
Parts
4| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 204-009 | Acronyms and Abbreviations | Service part / kit | PartsGeek | |
| 3822735 | Plastic bead blasting media | 1 | Service part / kit | PartsGeek |
| 4021375 | QSK23 Troubleshooting and Repair Manual | 1 | Service part / kit | PartsGeek |
| KS-E368R | Head Office | Service part / kit | PartsGeek |
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.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| 126.0 | 33.3 | ||
| 25% | 50.0 | 13.2 | |
| 50% | 89.0 | 23.4 | |
| 75% | 126.0 | 33.3 | |
| Base | 75% | 126.0 | 33.3 |
| Base | 100% | 155.0 | 40.8 |
| Continuous | 75% | 83.0 | 21.9 |
| Continuous | 100% | 26.5 | |
| Prime | 25% | 50.0 | 13.2 |
| Prime | 50% | 26.5 | |
| Prime | 75% | 37.7 | |
| Prime | 100% | 163.0 | 43.0 |
| Standby | 25% | 49.0 | 12.9 |
| Standby | 50% | 89.0 | 23.4 |
| Standby | 75% | 115.0 | 30.3 |
| Standby | 100% | 186.0 | 49.1 |
Available documents
Engine spec — 0032276 (Cummins/Onan)Engine spec — 0032425 (Cummins/Onan)Spec sheet — 0070593Spec sheet — 0070594 (Cummins/Onan)Spec sheet — 0070595 (Cummins/Onan)Spec sheet — 0070596 (Cummins/Onan)Spec sheet — 0070605 (Cummins/Onan)Spec sheet — 0070607 (Cummins/Onan)Spec sheet — 0070610 (Cummins/Onan)Spec sheet — QSK23-G2 (Cummins/Onan)Spec sheet — QSK23-G3 (Cummins/Onan)Spec sheet — QSK23-G5 (Cummins/Onan)Spec sheet — QSK23-G6 (Cummins/Onan)Spec sheet — QSK23-G7 (Cummins/Onan)Spec sheet — QSK23-G8 (Cummins/Onan)Spec sheet — QSK23-G9 (Cummins/Onan)Reference — B20BiodieselFAQJan2009Reference — Schedule Technical2012 (Cummins/Onan)Service manual — ServiceInstructions5 (Cummins/Onan)Service manual — cummins-qsk23-troubleshooting-and-repair-manual-ab (Cummins/Onan)