Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 50.0 Hz |
| Standby power | 87 kW |
| Standby kVA | 1400 |
| Prime power | 1120 kW |
| Emissions | UR |
| Controller | PCC3.3 MLD, PowerCommand 3.3 |
| Oil capacity | 50.0 L |
| Alternator | Stamford/AvK P7 |
| Voltage options | 255/440 V, 240/416 V, 230/400 V, 220/380 V, 277/480 V |
| Phase | A (U), B (V), C (W) |
| Battery voltage | 24 V |
| Battery quantity | 2 |
| Max ambient | 50 °C |
| Dimensions (L×W×H) | 6058×2438×2438 mm |
| Dry weight | 15800 kg |
| Fuel tank | 68000.0 L |
Engine
| Oil capacity | 254.0 L |
|---|---|
| Coolant capacity | 351.0 L |
| Displacement | 50.3 L |
| Aspiration | Turbocharged-Aftercooled |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Cummins/Onan KTA 50 G3| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | find | |||
| Fuel filter | — | find | |||
| Oil filter | — | find | |||
| Belt | — | find | |||
| Coolant | 440.0 l | — | |||
| Oil | Lube Oil Filter Types: Five spin-on, full flow | 177.0 | — |
Common questions
What is the power rating of the Cummins/Onan C1250 D2R?
The Cummins/Onan C1250 D2R is rated 87 kW standby (1400.0 kVA).
What engine does the Cummins/Onan C1250 D2R use?
The Cummins/Onan C1250 D2R is powered by the Cummins/Onan KTA 50 G3 engine.
What fuel does the Cummins/Onan C1250 D2R use?
The Cummins/Onan C1250 D2R runs on Diesel.
What is the oil capacity of the Cummins/Onan C1250 D2R?
The Cummins/Onan KTA 50 G3 engine in the Cummins/Onan C1250 D2R has an oil capacity of 254.0 liters.
What alternator does the Cummins/Onan C1250 D2R use?
The Cummins/Onan C1250 D2R uses a Stamford/AvK P7 alternator.
Parts
40| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 0300-4623-30 | DFLC (600V) | 1 | Current transformer | PartsGeek |
| 0300-4623-54 | DFLC BR (0-480V) | 1 | Current transformer | PartsGeek |
| 140-2501 | Cleaner, Air (Disposable) | 2 | Air filter | PartsGeek FridayParts $152.02 |
| 140-2502 | Band, Mounting – Air Cleaner | 4 | Air filter | Amazon eBay PartsGeek |
| 140-2503 | Bracket, Mounting | 1 | Air filter | PartsGeek |
| 140-3230 | Cleaner, Air (Includes Elements - See Ref. No. 25 and 26) | 2 | Air filter | Amazon eBay PartsGeek FridayParts $856.89 |
| 502-1162 | Connector, Hose (3/8") | 2 | Hose | PartsGeek |
| 503-0685 | Clamp, Hose | 2 | Hose | PartsGeek |
| 503-1484 | Elbow, Hose (45 Deg) (7" ID) | 2 | Hose | PartsGeek |
| 503-1620 | Hose – Bulk (3/8" ID) (Order by the Foot) | - | Hose | PartsGeek |
| 503-1870-11 | Clamp, Hose | 2 | Hose | PartsGeek |
| 503-1870-12 | Clamp, Hose | 2 | Hose | PartsGeek |
| 960-0504 | PCC Control Service Manual | * | Service manual | PartsGeek |
| 960-0507 | Detector Control Service Manual | ** | Service manual | PartsGeek |
| 140-1260 | Fitting, Safety Filter | 2 | Service part / kit | Amazon eBay $35.00 PartsGeek |
| 140-1548 | Indicator, Service | 2 | Service part / kit | Amazon eBay PartsGeek |
| 140-2395 | Tube, Air Inlet | 1 | Service part / kit | PartsGeek |
| 140-2504-01 | Bracket - Right Side | 1 | Service part / kit | PartsGeek |
| 140-2504-02 | Bracket - Left Side | 1 | Service part / kit | PartsGeek |
| 140-2508 | Tube, Air Inlet (7" x 9" - 3/4") | 2 | Service part / kit | Amazon eBay PartsGeek |
| 140-2509 | Tube, Air Inlet | 2 | Service part / kit | PartsGeek |
| 140-2528 | Shield – Air In Heat | 1 | Service part / kit | PartsGeek |
| 309-0635-02 | Valve, Check | 2 | Service part / kit | PartsGeek |
| 332-2634 | Clamp, Retainer 4 Prior To December 1996 Production (Mounted On Top And Side Of Control Box Wrapper) | 10 | Service part / kit | PartsGeek |
| 503-1717 | Elbow, Reducer (45 Deg) (7" ID to 6" ID) | 2 | Service part / kit | PartsGeek |
| 503-1720 | Insert, Reducer (6" OD to 5-1/2" ID) | 2 | Service part / kit | PartsGeek |
| 505-0017 | Bushing, Pipe – Reducer (3/8" to 1/4") | 1 | Service part / kit | PartsGeek |
| 505-0376 | Elbow – 45 Deg (3/8") | 2 | Service part / kit | PartsGeek |
| 518-0548-24 | Clamp, Retainer Begin December 1996 Production (Mounted On Top And Side Of Control Box Wrapper On The Side Towards The Control Box Cover) | 20 | Service part / kit | PartsGeek |
| 518-0548-42 | Clamp, Retainer 4 Prior To December 1996 Production (Mounted On Top And Side Of Control Box Wrapper) | 20 | Service part / kit | PartsGeek |
| 526-0030 | Washer, Flat (3/8") | 1 | Service part / kit | PartsGeek |
| 800-0055 | Screw, Cap – Hex Head (3/8–16 x 2-1/4") | 8 | Service part / kit | PartsGeek |
| 800-0094 | Screw, Cap – Hex Head (1/2–13 x 2") | 1 | Service part / kit | PartsGeek |
| 821-0029 | Screw, Self–Locking – Hex Washer Head (3/8–16 x 3/4") | 4 | Service part / kit | PartsGeek |
| 821-0033 | Screw, Self–Locking – Hex Washer Head (7/16–14 x 3/4") | 8 | Service part / kit | PartsGeek |
| 821-5004-03 | Screw, Self-Locking – Hex Washer Head (3/8–16 x 1") | 2 | Service part / kit | PartsGeek |
| 870-0281 | Nut, Self-Locking – Hex Washer Head (3/8–16) | 2 | Service part / kit | PartsGeek |
| 960-0606 | Service part / kit | PartsGeek | ||
| 960-0608 | Service part / kit | PartsGeek | ||
| F-2375 | A single line drawing of the prime power system | 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 |
|---|---|---|---|
| Prime | |||
| Standby |
Available documents
Spec sheet — EMERS-5884-EN (Cummins/Onan)Spec sheet — GLSB-5833-ENSpec sheet — rental-generator-sets-rating-cards-international-50-60hz-10-2025Reference — 6 June 2018 - Mining - Madagascar Ambatovy ProjectParts manual — F-1335-European-Rental-EN