Service parts for the DYC Series
Grouped by system, with how many of each the parts manual calls for.
Fuel system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Frequency | 60.0 Hz |
|---|---|
| Voltage options | 120/240 V, 347/600 V |
| Phase | Single Phase,3 Phase, Delta,3 Phase, Wye |
| Coolant capacity | 34.05 L |
Maintenance & consumables
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | 1000 hr | |||
| Fuel filter | Fuel Filter | B400-6 | Amazon eBay | ||
| Oil filter | — | 1000 hr | |||
| Battery | — | 1000 hr | |||
| Belt | — | 1800 hr | |||
| Coolant | — | 1000 hr | |||
| Oil | — | ||||
| Spark plug | — | 1000 hr |
Common questions
How much coolant does the Cummins/Onan DYC Series hold?
The Cummins/Onan DYC Series cooling system holds 34.05 liters (9.0 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What voltage does the Cummins/Onan DYC Series produce?
The Cummins/Onan DYC Series is offered in 120/240 V, 347/600 V, Single Phase,3 Phase, Delta,3 Phase, Wye-phase.
What fuel filter does the Cummins/Onan DYC Series use?
The Cummins/Onan DYC Series uses fuel filter part number B400-6.
Troubleshooting
6Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Engine stops cranking and fault lamp lights, after cranking approximately 75 seconds | See engine service manual for troubleshooting fuel system; After correcting problem, reset engine monitor relay by placing Run-Stop/Reset-Remote switch to Stop/Reset, then back to the required running position | |
| Fault lamp lights immediately after engine starts | Overspeed condition as engine starts | Check for overspeed condition as engine starts |
| Fault lamp lights and engine shuts down after running for a period | Oil level (engine will shut down if sensor is closed) | Check oil level |
| Fault lamp lights and engine shuts down after running for a period | Oil system fault | Check engine manual for troubleshooting oil system |
| Fault lamp lights and engine shuts down after running for a period | High engine temperature | Check coolant level; check water flow (city water cooled systems); check radiator for free air flow, and fan belts for tightness; See engine manual for troubleshooting cooling system |
| Fault lamp lights and engine shuts down after running for a period | Faulty oil pressure sensor or faulty high engine temperature sensor | Check for faulty oil pressure sensor or faulty high engine temperature sensor |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full Cummins/Onan DYC Series troubleshooting guide (21 entries) →
Parts
3| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 841-1 | Drain | 1 | Drain | Amazon eBay |
| B400-6 | Fuel Filter | 1 | Fuel filter | Amazon eBay |
| M-1189 | ENGINE HEATER | 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 1 manufacturer document above by automated extraction; every figure shown is copied from one of them. How the data is compiled.