Service parts for the 7.5 DKD
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 | No. 2 Diesel |
|---|---|
| Frequency | 50.0 Hz |
| Standby power | 7 kW |
| Standby kVA | 7 |
| Prime power | 7 kW |
| Oil capacity | 4.0 L |
| Voltage options | 120 V, 240 V |
| Phase | Single |
| Power factor | 1.0 |
| Battery cranking | 425 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Coolant capacity | 3.8 L |
| Max ambient | 30 °C |
Maintenance & consumables
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Air Filter | 65-024 | Amazon eBay | ||
| Fuel filter | Fuel Filter | 65-026 | Amazon eBay | ||
| Oil filter | Oil Filter | 65-025 | Amazon eBay |
Common questions
What size generator is the Cummins/Onan 7.5 DKD?
The Cummins/Onan 7.5 DKD is rated 7 kW standby (7.5 kVA).
What kind of fuel does the Cummins/Onan 7.5 DKD run on?
The Cummins/Onan 7.5 DKD runs on No. 2 Diesel.
How much coolant does the Cummins/Onan 7.5 DKD hold?
The Cummins/Onan 7.5 DKD cooling system holds 3.8 liters (1.0 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
How much oil does the Cummins/Onan 7.5 DKD take?
The Cummins/Onan 7.5 DKD has an engine oil capacity of 4 liters (4.2 US quarts), per the manufacturer specification sheet.
What voltage does the Cummins/Onan 7.5 DKD produce?
The Cummins/Onan 7.5 DKD is offered in 120 V, 240 V, Single-phase.
What battery does the Cummins/Onan 7.5 DKD use?
The Cummins/Onan 7.5 DKD uses 1 battery, 12 V each, 425 CCA, per the manufacturer specification sheet.
What oil filter does the Cummins/Onan 7.5 DKD use?
The Cummins/Onan 7.5 DKD uses oil filter part number 65-025.
Which fuel filter part number does the Cummins/Onan 7.5 DKD take?
The Cummins/Onan 7.5 DKD uses fuel filter part number 65-026.
What air filter does the Cummins/Onan 7.5 DKD use?
The Cummins/Onan 7.5 DKD uses air filter part number 65-024.
Troubleshooting
3Symptoms & remedies
| Symptom | Remedy |
|---|---|
| Excessive cranking can overheat and damage the starter. | Do not engage starter for periods longer than 30 seconds. Allow two minutes for starter to cool between cranks. |
| Engine does not start after cranking 30 seconds. | Release Start switch. Wait two minutes and then repeat Step 1. |
| Engine does not start on second try. | Check the fuel supply and be sure system has been primed. See Fuel System in the Maintenance section. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
8| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 532-1 | Radiator Air Cleaner or Start/Runistop and Preheat Switches (Remote Start Models) | 1 | Air filter | Amazon eBay NAPA $13.28 |
| 65-024 | Air Filter | 1 | Air filter | Amazon eBay |
| 65-025 | Oil Filter | 1 | Oil filter | Amazon eBay |
| 65-026 | Fuel Filter | 1 | Fuel filter | Amazon eBay |
| 65-027 | Battery | 1 | Battery | Amazon eBay |
| 65-028 | Spark Plug | 1 | Spark plug | Amazon eBay |
| FS4615 | INJECTION PUMP FUELSYSTEM (7.5 DKD SHOWN FOR REFERENCE ONLY) | Fuel pump | Amazon eBay | |
| EXS-1124-1 | EXHAUST MUFFLER | 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.
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.