Specifications
| Frequency | 60.0 Hz |
|---|---|
| Standby power | 25 kW |
| Standby kVA | 31 |
| Prime power | 22 kW |
| Controller | PowerCommand 1.1 |
| Alternator | Cummins/Onan Brushless, 4 pole, drip proof, revolving field |
| Voltage options | 120/240 V, 120/208 V, 277/480 V, 347/600 V |
| Phase | 3 |
| Coolant capacity | 50 L |
| Max ambient | 50 °C |
| Dimensions (L×W×H) | 2224×864×1121 mm |
| Dry weight | 504 kg |
Filters & service parts
model family| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Oil filter | Oil filter | — | find |
Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.
Common questions
What is the power rating of the Cummins/Onan C25 D6?
The Cummins/Onan C25 D6 is rated 25 kW standby (31.3 kVA).
What alternator does the Cummins/Onan C25 D6 use?
The Cummins/Onan C25 D6 uses a Cummins/Onan Brushless, 4 pole, drip proof, revolving field alternator.
Parts
35model family| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 0193-0430-01 | Switch-Pressure | 1 | Sensor | PartsGeek |
| 0193-0432 | Thermostat | 1 | Thermostat | PartsGeek |
| 0502-1507 | Adapter-Hose (Oil) | 1 | Hose | PartsGeek |
| 0100-3922 | Engine-B3.3G1 | 1 | Service part / kit | PartsGeek |
| 0155-4215 | Guard-Exhaust (Support) | 2 | Service part / kit | PartsGeek |
| 0155-4311-02 | Guard-Exhaust | 1 | Service part / kit | PartsGeek |
| 0320-1981-01 | Accessories-CB (SD Contact) | 1 | Service part / kit | PartsGeek |
| 0320-1981-02 | Accessories-CB (Shunt Trip) | 1 | Service part / kit | PartsGeek |
| 0320-2225-01 | Accessories-CB (Shunt Trip) | 1 | Service part / kit | PartsGeek |
| 0320-2225-02 | Accessories-CB (SD Contact) | 1 | Service part / kit | PartsGeek |
| 0331-0618-02 | Locknut Conduit | 2 | Service part / kit | PartsGeek |
| 0332-4001-01 | Rail-Terminal Block (300mm) | 1 | Service part / kit | PartsGeek |
| 0337-3583-04 | Strap-Ground | 2 | Service part / kit | PartsGeek |
| 0338-4487 | Harness-Engine (Mechanical governor) | 1 | Service part / kit | PartsGeek |
| 0338-4720 | Harness-Engine (Electronic governor) | 1 | Service part / kit | PartsGeek |
| 0338-4819-02 | Harness AC | 1 | Service part / kit | PartsGeek |
| 0338-4819-03 | Harness AC | 1 | Service part / kit | PartsGeek |
| 0504-0264-01 | Valve-Hydraulic (Oil) | 1 | Service part / kit | PartsGeek |
| 0505-0019 | Bushing-Reducer | 1 | Service part / kit | PartsGeek |
| 0505-2235 | Adaptor-Pipe | 1 | Service part / kit | PartsGeek |
| 0526-0399-56 | Washer-Flat (M5) | 2 | Service part / kit | PartsGeek |
| 0526-0399-60 | Washer-Flat (M8) | 4 | Service part / kit | PartsGeek |
| 0526-0399-62 | Washer-Flat (M10) | 2 | Service part / kit | PartsGeek |
| 0800-0309-93 | Screw-Hex Head (M5) | 2 | Service part / kit | PartsGeek |
| 0800-3017-19 | Screw-Hex Head (M8 X 20) | 2 | Service part / kit | PartsGeek |
| 0800-3017-35 | Screw HHC (M10) | 1 | Service part / kit | PartsGeek |
| 0800-3017-37 | Screw-Hex Head (M10 X 25) | 2 | Service part / kit | PartsGeek |
| 0850-0114-52 | Washer-Lock (M5) | 2 | Service part / kit | PartsGeek |
| 0850-0114-54 | Washer-Lock (M8) | 2 | Service part / kit | PartsGeek |
| 0850-0114-55 | Washer-Lock (M10) | 2 | Service part / kit | PartsGeek |
| 0862-0026-55 | Nut-Hex (M8) | 2 | Service part / kit | PartsGeek |
| 0862-0026-56 | Nut Hex (M10) | 1 | Service part / kit | PartsGeek |
| 0872-0020-01 | Standoff | 2 | Service part / kit | PartsGeek |
| 0872-0021 | Standoff | 1 | Service part / kit | PartsGeek |
| AC156 | ISO 17025 Laboratory | Service part / kit | PartsGeek |
Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Available documents
Spec sheet — 0057984Spec sheet — 0058677 (Cummins/Onan)Spec sheet — 0069812Spec sheet — NAS-5872-EN (Cummins/Onan)Installation manual — C30D6 Installation Manual (Cummins/Onan)Reference — 102S-103387Reference — 51070-01Parts manual — 906-0103 Cummins C22D5 C25D6 C30D6 C33D5 Parts (8-2006) (Cummins/Onan)Service manual — C60D6 Service Manual (Cummins/Onan)