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 |
Filters for the Cummins/Onan 6BT5.9 G1
8Engine-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 | P558615 | Lube Filter, Spin-On Full Flow | CUMMINS 10521, CUMMINS 3865405, NAPA 1607, NAPA 61607 | buy |
| Oil filter | P558616 | Lube Filter, Spin-On Full Flow | CUMMINS 3290712, CUMMINS 3890709, NAPA 1602, BALDWIN BT427 | KuduParts $11.00 FridayParts $13.20 |
| Fuel filter | P550440 | Fuel Filter, Spin-On Secondary | CUMMINS 3831063, CUMMINS 3890707, NAPA 3358, BALDWIN BF788 | FridayParts $356.80 |
| Fuel filter | P553004 | Fuel Filter, Spin-On | CUMMINS 3903640, CUMMINS 53C0045, NAPA 3358, RENAULT VI 0000150564 | FridayParts $18.20 |
| Fuel / water separator | P551329 | Fuel Filter, Water Separator Spin-On Twist&Drain | CUMMINS 11E170210, CUMMINS 3890063, NAPA 3357, BALDWIN BF1280 | FridayParts $151.00 |
| Fuel / water separator | P550248 | Fuel Filter, Water Separator Spin-On Twist&Drain | CUMMINS 1492827, CUMMINS 3286503, NAPA 3472, BALDWIN BF1226 | FridayParts $229.00 |
| Coolant filter | P554071 | Coolant Filter, Spin-On | CUMMINS 209604, CUMMINS 209606, NAPA 4071, WALGAHN-MOTORENTECHN 00811412 | FridayParts $397.60 |
| Coolant filter | P554073 | Coolant Filter, Spin-On | CUMMINS 209605, CUMMINS 209607, NAPA 4073, VERSATILE 00104040 | KuduParts $40.00 |
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.
What is the cooling system capacity of the Cummins/Onan C90 D5?
The Cummins/Onan C90 D5 cooling system holds 34 liters (9.0 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the prime power rating of the Cummins/Onan C90 D5?
The Cummins/Onan C90 D5 is rated 65 kW prime (82 kVA), against 72 kW standby.
How much does the Cummins/Onan C90 D5 weigh?
The Cummins/Onan C90 D5 has a dry weight of 1442 kg (3179 lb).
What voltages is the Cummins/Onan C90 D5 available in?
The Cummins/Onan C90 D5 is offered in 230/400 V, 3 phase-phase.
How many cold cranking amps does the Cummins/Onan C90 D5 require?
The Cummins/Onan C90 D5 uses 2 batteryies, 12 V each, per the manufacturer specification sheet.
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 |
Available documents
This page was generated from the 2 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.