Service parts for the DFM Series 50Hz
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
| Fuel | Diesel |
|---|---|
| Frequency | 50.0 Hz |
| Standby power | 210 kW |
| Standby kVA | 262 |
| Controller | YB Type |
| Oil capacity | 40.0 L |
| Alternator | YB (4-pole) |
| Voltage options | 110/190 V, 115/200 V, 120/208 V, 127/220 V, 220/380 V, 230/400 V, 240/416 V, 254/440 V |
| Phase | 3 |
| Rated current | 798 A |
| Power factor | 0.8 |
| Battery group | 8D |
| Battery cranking | 225 CCA |
| Battery voltage | 24 V |
| Battery quantity | 2 |
| Coolant capacity | 55 L |
| Dimensions (L×W×H) | 2896×1118×1829 mm |
| Dry weight | 2867 kg |
Engine
| Oil capacity | 40.0 L |
|---|---|
| Coolant capacity | 55.0 L |
| Displacement | 14.0 L |
| Aspiration | Turbocharged |
| Rated speed | 1800 rpm |
Filters for the Cummins/Onan NTA855-G
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 | P551670 | Lube Filter, Spin-On Full Flow | CUMMINS 298670, CUMMINS 299670, NAPA 1970, CARBOCOL 0026 | FridayParts $26.68 |
| Oil filter | P550777 | Lube Filter, Spin-On Bypass | CUMMINS 3021658, CUMMINS 33004232, NAPA 1749, BALDWIN B7577 | FridayParts $43.56 |
| Fuel filter | P550105 | Fuel Filter, Spin-On Primary | CUMMINS 154700, CUMMINS 154710, NAPA 3109, NAPA 3405 | buy |
| Fuel filter | P557440 | Fuel Filter, Spin-On Secondary | CUMMINS BM78672, BALDWIN BF970, LPM 00013505994, WALGAHN-MOTORENTECHN 00811464 | FridayParts $189.69 |
| Fuel / water separator | P558000 | Fuel Filter, Water Separator Spin-On Twist&Drain | CUMMINS 3308638, CUMMINS 3308683, NAPA 3405, NAPA 3693 | KuduParts $24.00 FridayParts $25.66 |
| Fuel / water separator | P550106 | Fuel Filter, Water Separator Spin-On | CUMMINS 154789, CUMMINS 156164, NAPA 3405, BALDWIN BF957-D | FridayParts $285.60 |
| 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 NTA855-G| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Air Cleaner Assembly | 140-1346 | Amazon eBay | ||
| Fuel filter | — | 500 hr | |||
| Oil filter | — | 500 hr | |||
| Belt | — | ||||
| Coolant | 55.0 liters | — | 2000 hr | ||
| Oil | ASTM D2 | 40.0 liters | — | 500 hr |
Common questions
What size generator is the Cummins/Onan DFM Series 50Hz?
The Cummins/Onan DFM Series 50Hz is rated 210 kW standby (262.5 kVA).
What engine is in the Cummins/Onan DFM Series 50Hz?
The Cummins/Onan DFM Series 50Hz is powered by the Cummins/Onan NTA855-G engine.
What fuel does the Cummins/Onan DFM Series 50Hz use?
The Cummins/Onan DFM Series 50Hz runs on Diesel.
How much oil does the Cummins/Onan DFM Series 50Hz take?
The Cummins/Onan NTA855-G engine in the Cummins/Onan DFM Series 50Hz has an oil capacity of 40.0 liters.
What is the coolant capacity of the Cummins/Onan DFM Series 50Hz?
The Cummins/Onan DFM Series 50Hz cooling system holds 55 liters (14.5 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the dry weight of the Cummins/Onan DFM Series 50Hz?
The Cummins/Onan DFM Series 50Hz has a dry weight of 2867 kg (6320 lb).
What voltage does the Cummins/Onan DFM Series 50Hz produce?
The Cummins/Onan DFM Series 50Hz is offered in 110/190 V, 115/200 V, 120/208 V, 127/220 V, 220/380 V, 230/400 V, 3-phase.
How many cold cranking amps does the Cummins/Onan DFM Series 50Hz require?
The Cummins/Onan DFM Series 50Hz uses 2 batteryies, 24 V each, 225 CCA, group 8D, per the manufacturer specification sheet.
Which alternator is fitted to the Cummins/Onan DFM Series 50Hz?
The Cummins/Onan DFM Series 50Hz uses a YB alternator. It has 4 poles.
What air filter does the Cummins/Onan DFM Series 50Hz use?
The Cummins/Onan DFM Series 50Hz uses air filter part number 140-1346.
Troubleshooting
6Symptoms & remedies
| Symptom | 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 position, then back to the required running position. |
| Fault lamp lights immediately after engine starts. | Check for: Overspeed condition as engine starts. |
| Fault lamp lights and engine shuts down after running for a period. | A. Oil level. Engine will shut down if sensor is closed. b. Check engine manual for troubleshooting oil system. c. 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. d. Check for faulty oil pressure sensor or faulty high engine temperature sensor. |
| Engine runs, shuts down and cranks for 75-seconds. Cranking cycle stops; fault lamp lights. | Check fuel supply. |
| Fault lamp lights, no fault exists. | To check a no-fault condition, disconnect leads from TBl terminals 29, 30 and 31. If fault lamp lights with leads disconnected, replace engine monitor board. Reconnect leads. |
| Overcrank fault lamp lights and engine stops cranking after approximately 75-seconds. | See engine service manual for troubleshooting fuel system. After correcting fault, reset engine monitor relay by placing Run-Stop/Reset-Remote switch to Stop/Reset position, depressing Reset button, then to the required running position. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full Cummins/Onan DFM Series 50Hz troubleshooting guide (14 entries) →
Parts
2| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 140-1346 | Air Cleaner (Includes Element) | 1 | Air filter | Amazon eBay |
| 100-1359 | Engine, Replacement (Cummins NTA855G) | 1 | 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 |
|---|---|---|---|
| Standby | 100% | 18.4 | 4.86 |
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.