Service parts for the DQCC
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredFuel system
1 requiredOil system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 800 kW |
| Standby kVA | 1000 |
| Prime power | 725 kW |
| Emissions | A−N |
| Controller | PowerCommand, PowerCommand 2100 |
| Oil capacity | 12.0 L |
| Alternator | Stamford/AvK HC634 (4-pole, Class F insulation) |
| Voltage options | 110/190 V, 127/220 V, 230/380 V, 277/480 V, 115/200 V, 139/240 V, 240/416 V, 347/600 V, 120/208 V |
| Phase | A (U), B (V), C (W) |
| Rated current | 600 A |
| Power factor | 0.8 |
| Circuit breaker | 600 A |
| Battery group | 6L |
| Battery cranking | 1400 CCA |
| Battery voltage | 24 V |
| Battery quantity | 1 |
| Coolant capacity | 109.5 L |
| Max ambient | 50 °C |
| Dimensions (L×W×H) | 4395×1855×2065 mm |
| Dry weight | 6075 kg |
| Wet weight | 6337 kg |
| Sound level | 75.0 dBA @ 7 m |
| Fuel tank | 120.0 L |
| Tank runtime | 8 hr |
Engine
| Oil capacity | 12.0 L |
|---|---|
| Coolant capacity | 12.0 L |
| Displacement | 23.0 L |
| Aspiration | Turbocharged |
| Rated speed | 1500 rpm |
Maintenance & consumables
for the Cummins/Onan QSK23| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | AF25544 | AF25544 | Amazon $1537.19 eBay $285.93 | ||
| Fuel filter | (1) primary element AF25544; (1) secondary element AF25545, (2) Cummins Filtration FS1006 | — | 500 hr | ||
| Fuel filter | FS1006 | FS1006 | Amazon $33.95 eBay $29.99 | ||
| Oil filter | Cummins QuickServe® Commitment | LF9325 | 250 hr | Amazon eBay $127.04 KuduParts $74.00 | |
| Battery | 24V, 1400 CCA, 460 minutes reserve capacity | — | 500 hr | ||
| Belt | Steel, flanged; Stainless steel flex, NPT | — | 15000 hr | ||
| Coolant | Antifreeze 50/50 (Ethylene glycol) | — | 24000 hr | ||
| Coolant filter | Cummins Filtration WF2076 | — | 500 hr | ||
| Oil | Cummins QuickServe® Commitment | — | 250 hr | ||
| Spark plug | — | 500 hr |
Common questions
What is the power rating of the Cummins/Onan DQCC?
The Cummins/Onan DQCC is rated 800 kW standby (1000.0 kVA).
What engine does the Cummins/Onan DQCC use?
The Cummins/Onan DQCC is powered by the Cummins/Onan QSK23 engine.
What fuel does the Cummins/Onan DQCC use?
The Cummins/Onan DQCC runs on Diesel.
How much oil does the Cummins/Onan DQCC take?
The Cummins/Onan QSK23 engine in the Cummins/Onan DQCC has an oil capacity of 12.0 liters.
Which alternator is fitted to the Cummins/Onan DQCC?
The Cummins/Onan DQCC uses a Stamford/AvK HC634 alternator. It has 4 poles. Insulation class F.
What oil filter does the Cummins/Onan DQCC use?
The Cummins/Onan DQCC uses oil filter part number LF9325.
What fuel filter fits the Cummins/Onan DQCC?
The Cummins/Onan DQCC uses fuel filter part number FS1006.
What air filter fits the Cummins/Onan DQCC?
The Cummins/Onan DQCC uses air filter part number AF25544.
Troubleshooting
6Fault codes
| Code | Meaning |
|---|---|
| 121 | Speed Signal Lost |
| 135 | Oil Pressure Sensor High |
| 141 | Oil Pressure Sensor Low |
| 143 | Pre-Low Oil Pressure Sensor |
| 144 | Coolant Temperature Sensor High |
| 145 | Coolant Temperature Sensor Low |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full Cummins/Onan DQCC troubleshooting guide (53 entries) →
Parts
14| 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 |
| 204-009 | Acronyms and Abbreviations | Service part / kit | Amazon eBay | |
| 3822735 | Plastic bead blasting media | 1 | Service part / kit | Amazon eBay |
| 4021375 | QSK23 Troubleshooting and Repair Manual | 1 | Service part / kit | Amazon eBay |
| KS-E368R | Head Office | Service part / kit | Amazon eBay |
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 |
|---|---|---|---|
| Prime | 25% | 15.5 | 48.0 |
| Prime | 50% | 27.5 | 48.0 |
| Prime | 60% | 12.0 | 3.2 |
| Prime | 75% | 38.0 | 48.0 |
| Prime | 100% | 48.0 | 48.0 |
| Standby | 25% | 17.0 | 53.0 |
| Standby | 50% | 12.0 | 3.2 |
| Standby | 75% | 41.0 | 53.0 |
| Standby | 100% | 53.0 | 53.0 |