Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 155 kW |
| Standby kVA | 193 |
| Oil capacity | 40.0 L |
| Alternator | Cummins/Onan UR |
| Voltage options | 110/190 V, 115/200 V, 120/208 V, 110/220 V, 127/220 V, 115/230 V, 120/240 V, 139/240 V, 220/380 V, 230/400 V, 240/416 V, 254/440 V, 277/480 V, 347/600 V |
| Phase | 3 |
| Power factor | 0.8 |
| Battery group | 8D |
| Battery cranking | 225 CCA |
| Battery voltage | 24 V |
| Battery quantity | 2 |
| Coolant capacity | 53 L |
| Dimensions (L×W×H) | 2895×1118×1778 mm |
| Dry weight | 2495 kg |
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 155 DFE 15R?
The Cummins/Onan 155 DFE 15R is rated 155 kW standby (193.75 kVA).
What engine does the Cummins/Onan 155 DFE 15R use?
The Cummins/Onan 155 DFE 15R is powered by the Cummins/Onan NT855-G engine.
What fuel does the Cummins/Onan 155 DFE 15R use?
The Cummins/Onan 155 DFE 15R runs on Diesel.
What is the oil capacity of the Cummins/Onan 155 DFE 15R?
The Cummins/Onan NT855-G engine in the Cummins/Onan 155 DFE 15R has an oil capacity of 14.0 liters.
What alternator does the Cummins/Onan 155 DFE 15R use?
The Cummins/Onan 155 DFE 15R uses a Cummins/Onan UR alternator.
Troubleshooting
13Fault codes
| Code | Meaning | Remedy |
|---|---|---|
| Engine stops cranking and fault lamp lights, after cranking approximately 75 seconds. | 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. | 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. | 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. | Engine runs, shuts down and cranks for 75-seconds. Cranking cycle stops; fault lamp lights. | Check fuel supply. |
| Fault lamp lights, no fault exists. | Fault lamp lights, no fault exists. | To check a no-fault condition, disconnect leads from T B I l 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. | 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. | Engine runs, shuts down, cranks for 75-seconds, cranking cycle stops, overcrank light ON. | Check fuel supply. |
| Low oil pressure shutdown. | *Low oil pressure shutdown. | 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. |
| High engine temperature shutdown. | *High engine temperature shutdown. | 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. | Overspeed shutdown. | Check governor and throttle linkages for freedom of movement. Check overspeed switch. |
| Overspeed light on, no shutdown. | 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. | *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. | *High engine temperature light ON. No shutdown. | Disconnect wire at TB11-31. Light ON after relay reset. Replace engine monitor board. |
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 |
|---|---|---|---|
| Standby | 100% | 13.56 | 3.58 |
Available documents
Service manual — 956-0302 Onan DFE Operator's and Parts Manual (4-1977) (Cummins/Onan)