Specifications
| Fuel | Diesel |
|---|---|
| Standby power | 180 kW |
| Prime power | 130 kW |
| Oil capacity | 14.0 L |
| Alternator | Cummins/Onan UR |
| Voltage options | 60 V, 50 V |
| Phase | 3-phase |
| Power factor | 0.8 |
| Battery group | 2 x 12V, 225 Ah [10 kC] |
| Battery voltage | 24 V |
| Battery quantity | 2 |
| Dimensions (L×W×H) | 1760×1120×2930 mm |
| Dry weight | 2495 kg |
| Fuel tank | 10.5 L |
Engine
| Oil capacity | 14.0 L |
|---|---|
| Coolant capacity | 53.0 L |
| Displacement | 14.0 L |
| Aspiration | Solenoid Shift Isochronous |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Cummins/Onan NT855-G| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | 140-1347 | PartsGeek | |||
| Fuel filter | — | 3000 hr | find | ||
| Oil filter | Oil Filter with Crankcase | — | 1000 hr | find | |
| Belt | Fan Belt and Radiator Fan | — | 500 hr | find | |
| Coolant | 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. | — | find | ||
| Oil | API CC/CD | 40.0 l | — | 500 hr |
Common questions
What is the power rating of the Cummins/Onan DFE 15R?
The Cummins/Onan DFE 15R is rated 180 kW standby.
What engine does the Cummins/Onan DFE 15R use?
The Cummins/Onan DFE 15R is powered by the Cummins/Onan NT855-G engine.
What fuel does the Cummins/Onan DFE 15R use?
The Cummins/Onan DFE 15R runs on Diesel.
What is the oil capacity of the Cummins/Onan DFE 15R?
The Cummins/Onan NT855-G engine in the Cummins/Onan DFE 15R has an oil capacity of 14.0 liters.
What alternator does the Cummins/Onan DFE 15R use?
The Cummins/Onan DFE 15R uses a Cummins/Onan UR alternator.
Troubleshooting
13Symptoms & 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. | 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. |
| 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. |
| Engine runs, shuts down, cranks for 75 seconds, cranking cycle stops, overcrank light ON. | Check fuel supply. a. Oil level. Replenish if necessary. b. Sensor. Faulty sensor will shut down engine. c. Refer to engine service manual for troubleshooting guide for oil system. |
| *Low oil pressure shutdown. | Check- a. Coolant level. Replenish if necessary. b. City water cooled sets. Check water flow, valves, etc. c. Check sensor; check thermostat. d. Radiator model, check fan belts, radiator for obstructions, etc. |
| *High engine temperature shutdown. | Check- a. Coolant level. Replenish if necessary. b. City water cooled sets. Check water flow, valves, etc. c. Check sensor; check thermostat. d. Radiator model, check fan belts, radiator for obstructions, etc. |
| Overspeed shutdown. | Check governor and throttle linkages for freedom of movement. Check overspeed switch. |
| Overspeed light on, no shutdown. | Disconnect wire at TB11-29. Light on after reset; replace engine monitor board. |
| *Low oil pressure light ON. No shutdown. | Disconnect wire at TB11-30. Light ON after relay reset. Replace engine monitor board. |
| *High engine temperature light ON. No shutdown. | Disconnect wire at TB11-31. Light ON after relay reset. Replace engine monitor board. |
| Dizziness | Get out into fresh air immediately. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
28| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 155-1035 | Cleaner, Air | 1 | Air filter | PartsGeek |
| 191-0688 | Alternator (24 Volt) | 1 | Alternator | PartsGeek |
| 191-0725 | Guard, Alternator Belt | 1 | Belt | PartsGeek |
| 191-0781 | Pulley, Alternator | 1 | Alternator | PartsGeek |
| 191-0852 | Starter (24 Volt) | 1 | Starter | PartsGeek |
| 193-0108 | Sender, Oil Pressure Gauge | 1 | Sensor | PartsGeek |
| 193-0244 | Sender, Water Temperature | 1 | Sensor | PartsGeek |
| 309-0169 | 1 Begin Spec G 25 26 | 1 | Sensor | PartsGeek |
| 309-0178 | Sender, Water Temperature | 1 | Sensor | PartsGeek |
| 501-0087 | Hose, Vent | 1 | Hose | PartsGeek |
| 503-0197 | Cap, Air Cleaner | 1 | Air filter | PartsGeek |
| 503-0354 | Clamp, Radiator Hose | 4 | Hose | PartsGeek |
| 503-0641 | Hose, Flexible Air Cleaner | 1 | Hose | PartsGeek |
| 503-0748 | Clamp, Hose - Air Cleaner | 1 | Air filter | PartsGeek |
| 503-0752 | Hose, Radiator | 1 | Hose | PartsGeek |
| 503-0756 | Hose, Radiator (Lower) | 1 | Hose | PartsGeek |
| 511-0084 | Belt, Alternator Drive | 1 | Belt | PartsGeek |
| 130-0843 | Bracket, Radiator Support | 2 | Service part / kit | PartsGeek |
| 130-0846 | Shroud, Radiator Fan | 1 | Service part / kit | PartsGeek |
| 130-0924 | Guard, Radiator Fan | 1 | Service part / kit | PartsGeek |
| 130-0992 | Radiator | 1 | Service part / kit | PartsGeek |
| 140-1347 | Cable, Battery Negative | 1 | Service part / kit | PartsGeek |
| 140-1349 | Cable, Battery Positive | 1 | Service part / kit | PartsGeek |
| 191-1141 | Bracket, Alternator Mounting | 1 | Service part / kit | PartsGeek |
| 504-0028 | Cock, Radiator Drain | 1 | Service part / kit | PartsGeek |
| TB11-29 | Engine Monitor Board | 1 | Service part / kit | PartsGeek |
| TB11-30 | Engine Monitor Board | 1 | Service part / kit | PartsGeek |
| TB11-31 | Engine Monitor Board | 1 | Service part / kit | PartsGeek |
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 | 0.83 | 0.22 | |
| Standby | 0.95 | 0.26 |
Available documents
Service manual — 956-0120 Onan DFE (spec L) Diesel Genset Operators manual (05-1981) (Cummins/Onan)