Specifications
| Fuel | Natural Gas, LP Vapor, LP Liquid |
|---|---|
| Frequency | 60.0 Hz |
| Prime power | 10 kW |
| Controller | RST Transfer Switch |
| Oil capacity | 3.5 L |
| Voltage options | 120/240 V |
| Phase | Single Phase |
| Power factor | 1.0 |
| Circuit breaker | 50 A |
| Battery group | BCI Group 26 |
| Battery cranking | 530 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Dimensions (L×W×H) | 1143×864×986 mm |
| Dry weight | 272 kg |
| Sound level | 70.0 dBA @ 7 m |
Engine
| Oil capacity | 3.5 L |
|---|---|
| Displacement | 0.98 L |
| Aspiration | High Motor Starting Reserve |
| Rated speed | 3600 rpm |
Maintenance & consumables
for the Cummins/Onan Performer P224| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Air filter element and wrapper replacement | — | 500 hr | ||
| Fuel filter | — | ||||
| Oil filter | Oil filter change | — | 100 hr | ||
| Battery | Cleaning and maintenance of batteries | — | 100 hr | ||
| Belt | — | ||||
| Coolant filter | — | ||||
| Oil | Synthetic or Mineral API rated SG or higher | 3.5 quart | — | 100 hr | |
| Spark plug | Spark plug replacement (2 plugs) | — | 500 hr |
Common questions
What engine does the Cummins/Onan RS 12000 use?
The Cummins/Onan RS 12000 is powered by the Cummins/Onan Performer P224 engine.
What kind of fuel does the Cummins/Onan RS 12000 run on?
The Cummins/Onan RS 12000 runs on Natural Gas, LP Vapor, LP Liquid.
What is the oil capacity of the Cummins/Onan RS 12000?
The Cummins/Onan Performer P224 engine in the Cummins/Onan RS 12000 has an oil capacity of 3.5 liters.
Troubleshooting
1Symptoms & remedies
| Symptom | Remedy |
|---|---|
| Exhaust system must be installed in accordance with the genset Installation Manual. | The exhaust system must be installed in accordance with the genset Installation Manual. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
1model family| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 4919115 | CM2250 wiring test lead and harness repair kit | 1 | Service part / kit | buy |
Compiled from this model's family documentation — may include parts for closely-related variants. 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 |
|---|---|---|---|
| Full-load | 9.1 | 2.4 | |
| Half-load | 4.4 | 1.16 | |
| No-load | 3.6 | 0.95 | |
| Prime | 25% | 3.14 | 0.83 |
| Prime | 50% | 6.32 | 1.67 |
| Prime | 75% | 9.43 | 2.49 |
| Prime | 100% | 12.61 | 3.33 |
Available documents
Reference — Schedule Technical2012 (Cummins/Onan)Owner's manual — RS12000 Setup Guide (Cummins/Onan)Service manual — 965-0601C Onan GHAB (spec A) Genset Installation manual (03-2003) (Cummins/Onan)