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 | 3.3 L |
|---|---|
| Displacement | 0.98 L |
| Aspiration | Naturally Aspirated |
| Rated speed | 3600 rpm |
Maintenance & consumables
for the Cummins/Onan Performer P224| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Replace Engine Air Filter | — | 500 hr | ||
| Fuel filter | — | ||||
| Oil filter | Change the engine oil and oil filter. Also, change the air filter if it is dirty. | — | 100 hr | ||
| Battery | Cleaning and maintenance of batteries | — | 100 hr | ||
| Belt | — | ||||
| Coolant filter | — | ||||
| Oil | Check the engine oil level as explained under Checking Engine Oil Level in this section. | 3.5 | — | 100 hr | |
| Spark plug | The genset has two spark plugs: one on each side of the engine, see Figure 3-3. | — | 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 3.3 liters.
How loud is the Cummins/Onan RS 12000?
The Cummins/Onan RS 12000 is rated at 70.0 dBA at 7 m, per the manufacturer specification sheet.
What is the dry weight of the Cummins/Onan RS 12000?
The Cummins/Onan RS 12000 has a dry weight of 272 kg (599 lb).
What voltage does the Cummins/Onan RS 12000 produce?
The Cummins/Onan RS 12000 is offered in 120/240 V, Single Phase-phase.
How many cold cranking amps does the Cummins/Onan RS 12000 require?
The Cummins/Onan RS 12000 uses 1 battery, 12 V each, 530 CCA, group BCI Group 26, per the manufacturer specification sheet.
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
16model family| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 101-0415 | Gasket, Bearing Plate | 1 | Gasket | Amazon eBay |
| 134-2938 | R.H. Air Cyl, Hsg. | 2 | Air filter | Amazon eBay |
| 134-2939 | L.H. Air Cyl. Hsg. | 2 | Air filter | Amazon eBay |
| 0333-0770 | Optional battery heater | Service part / kit | Amazon eBay | |
| 0333-0771 | Optional engine oil and carburetor heater | Service part / kit | Amazon eBay | |
| 214-0093 | DC Brushes (Old) | Service part / kit | Amazon eBay | |
| 214-0100 | DC Brushes (New) | 1 | Service part / kit | Amazon eBay |
| 405-1482 | Sound Shield | 1 | Service part / kit | Amazon eBay |
| 405-2171 | Housing Extension Kit | 1 | Service part / kit | Amazon eBay |
| 4919115 | CM2250 wiring test lead and harness repair kit | 1 | Service part / kit | buy |
| 526-0214 | Flat Washer | 2 | Service part / kit | Amazon eBay |
| 802-0034 | Washer, Lock - Spring (1/4-20 x 7/8) | 2 | Service part / kit | Amazon eBay |
| 802-0035 | Washer, Lock - Spring (1/4-20 x 3/4) | 2 | Service part / kit | Amazon eBay KuduParts $52.00 |
| 815-0290 | Screw, Self-Locking Hex | 1 | Service part / kit | Amazon eBay |
| 850-0038 | *Washer, Spring Lock (1/4”) | 2 | Service part / kit | Amazon eBay |
| 850-0040 | Washer, Lock - Spring (1/4") | 2 | Service part / kit | Amazon eBay |
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
This page was generated from the 6 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.