Service parts for the D500FPZ4
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Frequency | 60.0 Hz |
|---|---|
| Standby power | 625 kW |
| Standby kVA | 1735 |
| Prime power | 455 kW |
| Controller | Model #45 control panel |
| Oil capacity | 83.0 L |
| Voltage options | 120/208 V |
| Phase | 3 |
| Rated current | 752 A |
| Power factor | 0.8 |
| Coolant capacity | 121 L |
| Max ambient | 38 °C |
| Dimensions (L×W×H) | 381×152×202 mm |
| Dry weight | 4005 kg |
Engine
| Oil capacity | 83.3 L |
|---|---|
| Coolant capacity | 57.9 L |
| Displacement | 14.9 L |
| Aspiration | Turbocharged with air-to-air charge air-cooling |
| Rated speed | 1800 rpm |
Same engine, other brands
2 brandsThe Cummins/Onan QSX15-G9 in this set also powers 9 generator sets sold under 2 other brands. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.
| Brand | Models |
|---|---|
| Cummins/Onan | 350DFEG, 450 DFEJ, 500 DFEK, C450D6, DFE, DFEJ, DFEK, DFEK-5737120 |
| MQ Power | CG500C2 |
Maintenance & consumables
for the Cummins/Onan QSX15-G9| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | L028-2 | 50 hr | eBay | ||
| Fuel filter | New o-ring seal supplied with the new filter. For Biodiesel applications use gasket pack 3950445 S (green) and change with every filter change. | — | |||
| Oil filter | 885 hrs 5/13/25 | — | 500 hr | ||
| Battery | 2 8D batteries | — | 100 hr | ||
| Coolant | -35 | 57.9 | — | 8 hr | |
| Oil | 88.0 L | — | 8 hr |
Common questions
What is the power rating of the Katolight D500FPZ4?
The Katolight D500FPZ4 is rated 625 kW standby (1735.0 kVA).
What engine does the Katolight D500FPZ4 use?
The Katolight D500FPZ4 is powered by the Cummins/Onan QSX15-G9 engine.
What is the oil capacity of the Katolight D500FPZ4?
The Cummins/Onan QSX15-G9 engine in the Katolight D500FPZ4 has an oil capacity of 83.3 liters.
What is the cooling system capacity of the Katolight D500FPZ4?
The Katolight D500FPZ4 cooling system holds 121 liters (32.0 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the continuous rating of the Katolight D500FPZ4?
The Katolight D500FPZ4 is rated 455 kW prime (568 kVA), against 625 kW standby.
How much does the Katolight D500FPZ4 weigh?
The Katolight D500FPZ4 has a dry weight of 4005 kg (8829 lb).
What voltages is the Katolight D500FPZ4 available in?
The Katolight D500FPZ4 is offered in 120/208 V, 3-phase.
What air filter fits the Katolight D500FPZ4?
The Katolight D500FPZ4 uses air filter part number L028-2.
Parts
11| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 0179-3536 | Coolant heater (Revision E) | Service part / kit | eBay | |
| 0402-0222 | Vibration isolator (non-seismic rated, does not carry IBC/OSHPD certification) | Service part / kit | buy | |
| 0402-0234 | Vibration isolator (non-seismic rated, does not carry IBC/OSHPD certification) | Service part / kit | buy | |
| 0402-0246 | Vibration isolator (non-seismic rated, does not carry IBC/OSHPD certification) | Service part / kit | buy | |
| 0402-0427 | Vibration isolator (non-seismic rated, does not carry IBC/OSHPD certification) | Service part / kit | buy | |
| A035H139 | Switch, Pushbutton | 1 | Service part / kit | eBay |
| A040U808 | Harness, Control − Door (Includes Items 30 & 31) | 1 | Service part / kit | eBay |
| A046Y204 | Shield, Wiring | 1 | Service part / kit | eBay |
| CC2609 | Fleetguard Water-Check H2O 3-Way Test Strips | 1 | Service part / kit | Amazon eBay |
| TB3-5 | Generator Set Control Panel Terminal Block | 1 | Service part / kit | Amazon eBay FridayParts $399.75 |
| TB3-6 | Generator Set Control Panel Terminal Block | 1 | Service part / kit | Amazon eBay FridayParts $65.10 |
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 | 31.0 | 117.0 | |
| Standby | 36.7 | 139.0 |
Available documents
This page was generated from the 1 manufacturer document above by automated extraction; every figure shown is copied from one of them. How the data is compiled.