Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 50.0 Hz |
| Standby power | 190 kW |
| Standby kVA | 237 |
| Prime power | 165 kW |
| Controller | Cummins |
| Oil capacity | 40.0 L |
| Alternator | YB 517 50Hz |
| Voltage options | 24 V |
| Phase | Single |
| Rated current | 237.5 A |
| Power factor | 0.8 |
| Battery group | 8D |
| Battery cranking | 810 CCA |
| Battery voltage | 24 V |
| Battery quantity | 2 |
| Coolant capacity | 53 L |
| Dimensions (L×W×H) | 2940×1120×1820 mm |
| Dry weight | 2690 kg |
Engine
| Oil capacity | 14.0 L |
|---|---|
| Coolant capacity | 53.0 L |
| Displacement | 14.0 L |
| Aspiration | Solenoid Shift Isochronous |
| Rated speed | 1800 rpm |
Filters for the Cummins/Onan NT855-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 | P550106 | Fuel Filter, Water Separator Spin-On | CUMMINS 154789, CUMMINS 156164, NAPA 3405, BALDWIN BF957-D | FridayParts $285.60 |
| 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 |
| 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 NT855-G| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Replace or clean when plugged, or in accordance with service maintenance instructions. | — | 500 hr | ||
| Fuel filter | Fuel Filters (Cummins engine) | — | 3000 hr | ||
| Oil filter | Oil Filter with Crankcase | — | 1000 hr | ||
| Battery | — | 1000 hr | |||
| Belt | Fan Belt and Radiator Fan | — | 500 hr | ||
| Coolant | Engine Coolant with Radiator | 53.0 L | — | 1000 hr | |
| Coolant filter | A shut off valve (see Figure 30) is installed in the inlet and outlet line to the coolant filter to be closed, for minimum coolant loss when the filter is removed. Refer to engine manufacturer's manual for coolant filter replacement information. | — | |||
| Oil | Change Crankcase Oil | 40.0 quarts | — | 500 hr | |
| Spark plug | — | 500 hr |
Common questions
What is the power rating of the Cummins/Onan DFP 517?
The Cummins/Onan DFP 517 is rated 190 kW standby (237.5 kVA).
Which engine powers the Cummins/Onan DFP 517?
The Cummins/Onan DFP 517 is powered by the Cummins/Onan NT855-G engine.
What kind of fuel does the Cummins/Onan DFP 517 run on?
The Cummins/Onan DFP 517 runs on Diesel.
What's the oil capacity on a Cummins/Onan DFP 517?
The Cummins/Onan NT855-G engine in the Cummins/Onan DFP 517 has an oil capacity of 14.0 liters.
How much coolant does the Cummins/Onan DFP 517 hold?
The Cummins/Onan DFP 517 cooling system holds 53 liters (14.0 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the prime power rating of the Cummins/Onan DFP 517?
The Cummins/Onan DFP 517 is rated 165 kW prime (206 kVA), against 190 kW standby.
How much does the Cummins/Onan DFP 517 weigh?
The Cummins/Onan DFP 517 has a dry weight of 2690 kg (5930 lb).
What voltages is the Cummins/Onan DFP 517 available in?
The Cummins/Onan DFP 517 is offered in 24 V, Single-phase.
How many cold cranking amps does the Cummins/Onan DFP 517 require?
The Cummins/Onan DFP 517 uses 2 batteryies, 24 V each, 810 CCA, group 8D, per the manufacturer specification sheet.
What alternator comes on the Cummins/Onan DFP 517?
The Cummins/Onan DFP 517 uses a YB 517 50Hz alternator.
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. | |
| Fault lamp lights and engine shuts down after running for a period. | . Check the following: 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 TB11 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 DFP 517 troubleshooting guide (14 entries) →
Parts
3| Part # | Description | Qty | System | |
|---|---|---|---|---|
| TB11-29 | Engine Monitor Board | 1 | Service part / kit | Amazon eBay |
| TB11-30 | Engine Monitor Board | 1 | Service part / kit | Amazon eBay |
| TB11-31 | Engine Monitor Board | 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 |
|---|---|---|---|
| Prime | 100% | 16.5 | 17.0 |
| Standby | 100% | 18.1 | 19.0 |
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.