Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 250 kW |
| Prime power | 208 kW |
| Controller | Voltage Regulator |
| Oil capacity | 11.25 L |
| Alternator | Cummins/Onan YB 17 |
| Voltage options | 120/208 V, 127/220 V, 139/240 V, 240/416 V, 254/440 V, 277/480 V |
| Phase | 3 |
| Rated current | 868 A |
| Power factor | 0.8 |
| Circuit breaker | 868 A |
| Battery group | 8D |
| Battery cranking | 225 CCA |
| Battery voltage | 24 V |
| Battery quantity | 2 |
| Coolant capacity | 16.5 L |
| Max ambient | -4 °C |
| Dimensions (L×W×H) | 1851×1778×950 mm |
| Dry weight | 72 kg |
| Fuel tank | 15.0 L |
| Tank runtime | 10.5 hr |
Engine
| Oil capacity | 11.25 L |
|---|---|
| Coolant capacity | 16.5 L |
| Displacement | 13.8 L |
| Aspiration | Natural |
| Rated speed | 1800 rpm |
Common questions
What is the power rating of the Cummins/Onan DYH 250 kW?
The Cummins/Onan DYH 250 kW is rated 250 kW standby.
What engine does the Cummins/Onan DYH 250 kW use?
The Cummins/Onan DYH 250 kW is powered by the Allis-Chalmers 21000 MKII engine.
What fuel does the Cummins/Onan DYH 250 kW use?
The Cummins/Onan DYH 250 kW runs on Diesel.
What is the oil capacity of the Cummins/Onan DYH 250 kW?
The Allis-Chalmers 21000 MKII engine in the Cummins/Onan DYH 250 kW has an oil capacity of 11.25 liters.
What alternator does the Cummins/Onan DYH 250 kW use?
The Cummins/Onan DYH 250 kW uses a Cummins/Onan YB 17 alternator.
Troubleshooting
6Symptoms & remedies
| Symptom | Remedy |
|---|---|
| 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. | 1. 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. 2. Check fuel supply. |
| Low oil pressure shutdown. | 3. Check — 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. | 4. 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. |
| 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-Retrieve switch to Stop/Reset, then back to the required running position. |
| Fault lamp lights immediately after engine starts. | Check for: Overspeed condition as engine starts. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 100% | 19.0 | 68.22 |
| Standby | 100% | 15.5 | 58.7 |
Available documents
Operator's manual — 21000 engine (Cummins/Onan)