Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 1500 kW |
| Standby kVA | 1875 |
| Prime power | 1365 kW |
| Emissions | EPA NSPS Stationary Emergency Tier 2 |
| Controller | Not specified |
| Oil capacity | 235.0 L |
| Alternator | Cummins/Onan NH (2-pole, Class F insulation) |
| Voltage options | 150 V, 125 V, 105 V, 80 V |
| Phase | 3-phase |
| Rated current | 27.1 A |
| Power factor | Not specified |
| Circuit breaker | 35 A |
| Battery group | SAE Group 60 |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Coolant capacity | 401 L |
| Max ambient | 41.2 °C |
| Dry weight | 11551 kg |
| Tank runtime | Not specified hr |
Engine
| Oil capacity | 235.0 L |
|---|---|
| Displacement | 159.0 L |
| Aspiration | Turbocharged and low temperature aftercooled |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Cummins/Onan QSK50-G5 NR2| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | 503-0821 | 503-0821 | PartsGeek | ||
| Fuel filter | 502-0054 | 502-0054 | PartsGeek | ||
| Oil filter | 503-0597 | 503-0597 | PartsGeek | ||
| Belt | 503-0465 | 503-0465 | PartsGeek | ||
| Coolant filter | 505-0017 | 505-0017 | PartsGeek | ||
| Oil | Crankcase oil | — | 50 hr |
Common questions
What is the power rating of the Cummins/Onan 14RCA/L?
The Cummins/Onan 14RCA/L is rated 1500 kW standby (1875.0 kVA).
What engine does the Cummins/Onan 14RCA/L use?
The Cummins/Onan 14RCA/L is powered by the Cummins/Onan QSK50-G5 NR2 engine.
What fuel does the Cummins/Onan 14RCA/L use?
The Cummins/Onan 14RCA/L runs on Diesel.
What is the oil capacity of the Cummins/Onan 14RCA/L?
The Cummins/Onan QSK50-G5 NR2 engine in the Cummins/Onan 14RCA/L has an oil capacity of 235.0 liters.
What alternator does the Cummins/Onan 14RCA/L use?
The Cummins/Onan 14RCA/L uses a Cummins/Onan NH alternator. It has 2 poles. Insulation class F.
What oil filter does the Cummins/Onan 14RCA/L use?
The Cummins/Onan 14RCA/L uses oil filter part number 503-0597.
What fuel filter does the Cummins/Onan 14RCA/L use?
The Cummins/Onan 14RCA/L uses fuel filter part number 502-0054.
What air filter does the Cummins/Onan 14RCA/L use?
The Cummins/Onan 14RCA/L uses air filter part number 503-0821.
Troubleshooting
3Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| If the engine fails to start at first try | Inhibitor oil used at the factory may have fouled the spark plugs | Remove the plugs, clean in a suitable solvent, dry thoroughly and install |
| Heavy exhaust smoke when the engirie is first started | Caused by the inhibitor oil | |
| Continuous generator overloading may cause high operating temperatures that can damage the windings | Keep the load within the nameplate rating |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
8| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 420A248 | Oil Filter | 1 | Oil filter | PartsGeek |
| 502-82 | Nipple, Filter Mtg. | 1 | Fuel system | PartsGeek |
| 301-204 | Line, Fuel (NH) | 1 | Service part / kit | PartsGeek |
| 307P1279 | Valve, Fuel Solenoid | 1 | Service part / kit | PartsGeek |
| 501-0001 | Line, Flexible Fuel (Order by Length) 6" Long | 1 | Service part / kit | PartsGeek |
| 502-0099 | 850-fxKo !520-0713 154-1250, 8oWlt104 | 1 | Service part / kit | PartsGeek |
| 502-99 | Elbow, Reducing (CCK and NH) | 1 | Service part / kit | PartsGeek |
| 50L-204 | Line, Fuel (CCK) | 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 |
|---|---|---|---|
| Continuous | 75% | 318.4 | 84.1 |
| Prime | 50% | 234.3 | 61.9 |
| Prime | 100% | ||
| Standby | 25% | 129.1 | 34.1 |
| Standby | 100% | 0.75 | 2.71 |