Service parts for the WC Series
Grouped by system, with how many of each the parts manual calls for.
Fuel system
1 requiredOil system
1 requiredElectrical
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | Natural Gas |
|---|---|
| Voltage options | 2000 V, 00 V |
| Phase | Single |
| Power factor | 0.8 |
| Battery group | SAE Group 8D (12-volts) |
| Battery cranking | 200 CCA |
| Battery voltage | 24 V |
| Battery quantity | 2 |
| Dimensions (L×W×H) | 3251×1219×208 mm |
| Dry weight | 3861 kg |
Maintenance & consumables
for the Waukesha F1197-GRS1U| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | ||||
| Fuel filter | Onan OE Filter | 232AI817 | 400 hr | Amazon eBay | |
| Oil filter | Onan OE Filter | 232AI490 | 400 hr | Amazon eBay PartsGeek $17.97 | |
| Battery | A956 | 400 hr | Amazon eBay | ||
| Belt | #18 wire | — | 900 hr | ||
| Coolant | 36.0 gallons | — | |||
| Oil | 32.0 quarts | — | 400 hr | ||
| Spark plug | — | 1200 hr |
Common questions
What engine does the Cummins/Onan WC Series use?
The Cummins/Onan WC Series is powered by the Waukesha F1197-GRS1U engine.
What kind of fuel does the Cummins/Onan WC Series run on?
The Cummins/Onan WC Series runs on Natural Gas.
What is the dry weight of the Cummins/Onan WC Series?
The Cummins/Onan WC Series has a dry weight of 3861 kg (8512 lb).
What voltage does the Cummins/Onan WC Series produce?
The Cummins/Onan WC Series is offered in 2000 V, 00 V, Single-phase.
How many cold cranking amps does the Cummins/Onan WC Series require?
The Cummins/Onan WC Series uses 2 batteryies, 24 V each, 200 CCA, group SAE Group 8D (12-volts), per the manufacturer specification sheet.
What oil filter does the Cummins/Onan WC Series use?
The Cummins/Onan WC Series uses oil filter part number 232AI490.
Which fuel filter part number does the Cummins/Onan WC Series take?
The Cummins/Onan WC Series uses fuel filter part number 232AI817.
Troubleshooting
6Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Alternator fails to charge or puts out low or unsteady charge rate | Alternator belt loose | Tighten belt |
| Alternator fails to charge or puts out low or unsteady charge rate | Loose or dirty battery connections | Clean and tighten |
| Alternator fails to charge or puts out low or unsteady charge rate | Worn or defective brushes | Replace brushes |
| Alternator fails to charge or puts out low or unsteady charge rate | Faulty regulator | Replace regulator |
| Excessive charging rate (battery requires too frequent filling) | Loose connections on alternator and regulator | Tighten connections |
| Excessive charging rate (battery requires too frequent filling) | Faulty regulator | Replace regulator |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full Cummins/Onan WC Series troubleshooting guide (17 entries) →
Parts
35| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 191B649 | Pulley, Alternator | 1 | Alternator | Amazon eBay |
| 191B690 | Bracket, Alternator Mtg. - Begin Spec 'F' | 1 | Alternator | Amazon eBay |
| 232AI376 | Rectifier | 1 | Rectifier | Amazon eBay |
| 232AI490 | Engine Oil | 1 | Fluid | Amazon eBay PartsGeek $17.97 |
| 232AI808 | Bearing Holder - Anti-Rotation - Begin Spec B | 1 | Bearing holder | Amazon eBay |
| 232AI817 | Onan OE Filter | 1 | Fuel filter | Amazon eBay |
| 234D70 | Band, Generator - Front Portion (Narrow) | 1 | Alternator | Amazon eBay |
| 234D74 | Generator Group (Exciter Portion) | 1 | Exciter panel | Amazon eBay |
| 309A178 | Battery, 24V, 150Ah | 1 | Battery | Amazon eBay |
| 332AI89 | Alternator, Charge | 1 | Alternator | Amazon eBay |
| 336AI211 | Lead, Starter ( 14 " Long) | 1 | Starter | Amazon eBay |
| 4I6A444 | Positive | 1 | Battery | Amazon eBay |
| 4I6A445 | Negative | 1 | Battery | Amazon eBay |
| 505-19 | Bushing, Pipe Reducer (1/2 x 3/8") High Water Temperature Switch (1), Water Temperature Gauge Sender (1) | 2 | Oil filter | Amazon eBay FridayParts $17.96 |
| A956 | 2-12 VOLT BATTERIES | 2 | Battery | Amazon eBay |
| I93A100 | Sender, Water Temp. (Eng. Switch & Sender Unit Only) | 1 | Oil filter | Amazon eBay |
| I93A98 | Sender, Oil Press. (Eng. Unit Only) | 1 | Oil filter | Amazon eBay |
| 204A83 | Ring, Collector | 1 | Service part / kit | Amazon eBay |
| 232AI807 | Rotor Assy., Wound, Inc. Brg., Blower & Drive Assy. | 1 | Service part / kit | Amazon eBay |
| 232AI813 | Spacer, Alternator Mtg. | 2 | Service part / kit | Amazon eBay |
| 232CI394 | Bolt. Place. Gen. Mtg. | 1 | Service part / kit | Amazon eBay |
| 234AI07 | Support, Gen. Mtg. | 1 | Service part / kit | Amazon eBay |
| 321-139 | .0598 " | 1 | Service part / kit | Amazon eBay |
| 321-140 | Holder, Fuse | 1 | Service part / kit | Amazon eBay |
| 332AI817 | Voltage Regulator | 1 | Service part / kit | Amazon eBay |
| 338B242 | Static Exciter | 1 | Service part / kit | Amazon eBay |
| 338B2I3 | Voltage Regulator | 1 | Service part / kit | Amazon eBay |
| 403C575 | Base, Mounting | 1 | Service part / kit | Amazon eBay |
| 4I6A446 | Cable, B a t t . Jpr. | 1 | Service part / kit | Amazon eBay |
| 4I6A96 | Clip. Ene. Cont.Harness | 1 | Service part / kit | Amazon eBay |
| 505-117 | Low Oil Press. Bushing, Rod (1/2 x 3/8") | 1 | Service part / kit | Amazon eBay |
| 505-131 | Bushing, Pipe Reducer (3/4 x 3/8") Radiator Outlet to Drain Valve | 1 | Service part / kit | Amazon eBay |
| 505-98 | Nipple, Close (1/8 x 3/4'') Oil Pressure Tee Mounting | 1 | Service part / kit | Amazon eBay |
| I9IC548 | Regulator, Charge | 1 | Service part / kit | Amazon eBay |
| I9IC550 | Bracket, Alternator | 1 | Service part / kit | Amazon eBay |
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 |
|---|---|---|---|
| Prime | 60% | 20.2 | 5.34 |
| Standby | 40% | 17.4 | 4.6 |