Service parts for the C90 D5
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 | 50.0 Hz |
| Standby power | 72 kW |
| Standby kVA | 90 |
| Prime power | 65 kW |
| Controller | PowerCommand, PowerCommand 1.2 |
| Oil capacity | 17.3 L |
| Alternator | Stamford/AvK UCI224G |
| Voltage options | 230/400 V |
| Phase | 3 phase |
| Power factor | 0.8 |
| Battery voltage | 12 V |
| Battery quantity | 2 |
| Coolant capacity | 34 L |
| Max ambient | 50 °C |
| Dimensions (L×W×H) | 2284×1050×1553 mm |
| Dry weight | 1442 kg |
Engine
| Oil capacity | 17.3 L |
|---|---|
| Coolant capacity | 25.0 L |
| Displacement | 5.9 L |
| Aspiration | Turbocharged |
| Rated speed | 1500 rpm |
Maintenance & consumables
for the Cummins/Onan 6BT5.9 G1| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | 0140-3550 | Amazon eBay | |||
| Fuel filter | FS3345 | Amazon eBay | |||
| Oil filter | LF1251 | Amazon eBay | |||
| Battery | — | ||||
| Belt | — | ||||
| Coolant | 34.0 L | — | |||
| Oil | 16.0 L | — | |||
| Spark plug | — |
Common questions
What size generator is the Cummins/Onan C90 D5?
The Cummins/Onan C90 D5 is rated 72 kW standby (90.0 kVA).
What engine is in the Cummins/Onan C90 D5?
The Cummins/Onan C90 D5 is powered by the Cummins/Onan 6BT5.9 G1 engine.
What fuel does the Cummins/Onan C90 D5 use?
The Cummins/Onan C90 D5 runs on Diesel.
What is the oil capacity of the Cummins/Onan C90 D5?
The Cummins/Onan 6BT5.9 G1 engine in the Cummins/Onan C90 D5 has an oil capacity of 17.3 liters.
Which alternator is fitted to the Cummins/Onan C90 D5?
The Cummins/Onan C90 D5 uses a Stamford/AvK UCI224G alternator.
What oil filter does the Cummins/Onan C90 D5 use?
The Cummins/Onan C90 D5 uses oil filter part number LF1251.
What fuel filter does the Cummins/Onan C90 D5 use?
The Cummins/Onan C90 D5 uses fuel filter part number FS3345.
What air filter fits the Cummins/Onan C90 D5?
The Cummins/Onan C90 D5 uses air filter part number 0140-3550.
Parts
2| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 982-0200 | Air Filter | 6 | Air filter | Amazon eBay |
| 965-0520 | Cooling Fan | 37 | 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 | 208.0 | 21.7 | |
| Standby | 210.0 | 23.4 |