Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 50.0 Hz |
| Standby power | 200 kW |
| Standby kVA | 250 |
| Prime power | 160 kW |
| Emissions | Tier 1 |
| Controller | Eletronic, PowerCommand |
| Oil capacity | 23.8 L |
| Alternator | 6CTAA8.3-G1 (4-pole, Class H insulation) |
| Voltage options | 255/440 V, 230/400 V, 220/380 V, 127/220 V, 277/480 V |
| Phase | 3 |
| Rated current | 160 A |
| Power factor | 0.8 |
| Circuit breaker | 160 A |
| Battery group | 150 AH |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Coolant capacity | 150.0 L |
| Max ambient | 40 °C |
| Dimensions (L×W×H) | 2700×1360×1757 mm |
| Dry weight | 1951 kg |
| Sound level | 85.0 dBA @ 1 m |
| Fuel tank | 150.0 L |
| Tank runtime | 10 hr |
Engine
| Oil capacity | 23.8 L |
|---|---|
| Coolant capacity | 25.7 L |
| Displacement | 8.3 L |
| Aspiration | Turbocharged and CAC |
| Rated speed | 1800 rpm |
Filters for the Cummins/Onan 6CTAA8.3-G2
6Engine-mounted filters the filter manufacturers list for this engine family. These come from the engine, not from this generator set’s own parts list, so confirm against your serial number before ordering.
| System | Filter | Description | Cross-references | |
|---|---|---|---|---|
| Oil filter | P553000 | Lube Filter, Spin-On Full Flow | CUMMINS 3318853, CUMMINS 3825970, NAPA 1748, NAPA 1748XD | FridayParts $125.00 |
| Oil filter | P553548 | Lube Filter, Spin-On Combination | CUMMINS 3919562, CUMMINS 3973686, BALDWIN BD324, LOESING 025227 | KuduParts $48.00 FridayParts $49.99 |
| Fuel filter | P550440 | Fuel Filter, Spin-On Secondary | CUMMINS 3831063, CUMMINS 3890707, NAPA 3358, BALDWIN BF788 | FridayParts $356.80 |
| Fuel / water separator | P551329 | Fuel Filter, Water Separator Spin-On Twist&Drain | CUMMINS 11E170210, CUMMINS 3890063, NAPA 3357, BALDWIN BF1280 | FridayParts $151.00 |
| Coolant filter | P554071 | Coolant Filter, Spin-On | CUMMINS 209604, CUMMINS 209606, NAPA 4071, WALGAHN-MOTORENTECHN 00811412 | FridayParts $397.60 |
| Coolant filter | P552071 | Coolant Filter, Spin-On Sca Plus | CUMMINS 299080, CUMMINS 299880, NAPA 4071, TORO 012706560 | FridayParts $37.53 |
Maintenance & consumables
for the Cummins/Onan 6CTAA8.3-G2| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | 500 hr | |||
| Fuel filter | — | 500 hr | |||
| Oil filter | — | 500 hr | |||
| Battery | 100 AH | — | 1000 hr | ||
| Belt | — | 1000 hr | |||
| Coolant | 29.5 l | — | |||
| Oil | 150.0 l | — | 1000 hr | ||
| Spark plug | — | 1000 hr |
Common questions
What size generator is the Cummins/Onan C250 D5?
The Cummins/Onan C250 D5 is rated 200 kW standby (250.0 kVA).
What engine does the Cummins/Onan C250 D5 use?
The Cummins/Onan C250 D5 is powered by the Cummins/Onan 6CTAA8.3-G2 engine.
Is the Cummins/Onan C250 D5 diesel or gas?
The Cummins/Onan C250 D5 runs on Diesel.
How much oil does the Cummins/Onan C250 D5 take?
The Cummins/Onan 6CTAA8.3-G2 engine in the Cummins/Onan C250 D5 has an oil capacity of 23.8 liters.
How much coolant does the Cummins/Onan C250 D5 hold?
The Cummins/Onan C250 D5 cooling system holds 150 liters (39.6 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the continuous rating of the Cummins/Onan C250 D5?
The Cummins/Onan C250 D5 is rated 160 kW prime (220 kVA), against 200 kW standby.
How loud is the Cummins/Onan C250 D5?
The Cummins/Onan C250 D5 is rated at 85.0 dBA at 1 m, per the manufacturer specification sheet.
How much does the Cummins/Onan C250 D5 weigh?
The Cummins/Onan C250 D5 has a dry weight of 1951 kg (4301 lb).
What size fuel tank does the Cummins/Onan C250 D5 have?
The Cummins/Onan C250 D5 has a 150 liter (40 US gallon) fuel tank, giving about 10 hours of runtime.
What voltages is the Cummins/Onan C250 D5 available in?
The Cummins/Onan C250 D5 is offered in 255/440 V, 230/400 V, 220/380 V, 127/220 V, 277/480 V, 3-phase.
What size battery does the Cummins/Onan C250 D5 need?
The Cummins/Onan C250 D5 uses 1 battery, 12 V each, group 150 AH, per the manufacturer specification sheet.
What alternator does the Cummins/Onan C250 D5 use?
The Cummins/Onan C250 D5 uses a 6CTAA8.3-G1 alternator. It has 4 poles. Insulation class H.
Parts
11| Part # | Description | Qty | System | |
|---|---|---|---|---|
| X-577-34 | Hose 24" | 1 | Hose | Amazon eBay |
| X-577-39 | Hose 4" | 1 | Hose | Amazon eBay |
| X-577-43 | Hose 50" | 1 | Hose | Amazon eBay |
| X-797-2 | Hose, flex | 1 | Hose | Amazon eBay |
| X-797-3 | Hose, flex | 1 | Hose | Amazon eBay |
| 285054 | Silencer Residential R-M (Table 3) | 1 | Service part / kit | Amazon eBay $79.70 |
| 285086 | Silencer Industrial I-N (Table 3) | 1 | Service part / kit | Amazon eBay |
| 290485 | Silencer Residential R-BM (Table 3) | 1 | Service part / kit | Amazon eBay |
| 290486 | Silencer Residential R-N (Table 3) | 1 | Service part / kit | Amazon eBay |
| 290489 | Silencer Critical C-M (Table 3) | 1 | Service part / kit | Amazon eBay |
| 290490 | Silencer Critical C-N (Table 3) | 1 | 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 | 70% | 15.0 | 4.0 |
| Standby | 57.0 | 15.06 | |
| Standby | 70% | 15.0 | 4.0 |
Available documents
This page was generated from the 4 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.