Specifications
| Fuel | Gasoline |
|---|---|
| Standby power | 4 kW |
| Standby kVA | 4 |
| Emissions | Spec A |
| Oil capacity | 3.8 L |
| Voltage options | 12 V |
| Phase | Single |
| Power factor | 1.0 |
| Battery cranking | 360 CCA |
| Battery voltage | 12 V |
| Coolant capacity | 2.8 L |
Filters & service parts
model family| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Fuel filter | — | 500 hr | find | ||
| Oil filter | — | 200 hr | find | ||
| Belt | — | 1000 hr | find | ||
| Coolant | — | 1000 hr | |||
| Oil | — | 200 hr |
Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.
Common questions
What is the power rating of the Cummins/Onan MDKC?
The Cummins/Onan MDKC is rated 4 kW standby (4.0 kVA).
What fuel does the Cummins/Onan MDKC use?
The Cummins/Onan MDKC runs on Gasoline.
Troubleshooting
1Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| DC Control | Low oil pressure, high coolant temperature, high exhaust temperature and overspeed (option) | The fault breaker trips and stops the genset. See Figure 3-2. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
10| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 132-0281 | Sea Water Pump Impeller kit w/cover & gasket | Impeller | PartsGeek | |
| 132-0316 | Sea Water Pump Impeller | Impeller | PartsGeek | |
| 149-1914-05 | Fuel Filter Element | Fuel filter | PartsGeek | |
| 185-2123 | Oil Filter | Oil filter | PartsGeek FridayParts $20.19 | |
| 185-2232 | Breather Filter Element | Air filter | PartsGeek | |
| 185-2275 | Water Pump Belt | Belt | PartsGeek | |
| 185-2289 | Glow Plug (12 Volt) | Glow plug | Amazon eBay $40.00 PartsGeek | |
| M-1526-1 | AC Circuit Breakers | 1 | Breaker | PartsGeek |
| 100-3478-03 | Cruise Kit | Service part / kit | PartsGeek | |
| 130-1341 | Zinc Pencil | 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 |
|---|---|---|---|
| Prime | 0.9 | 3.75 | |
| Standby | 0.42 | 1.57 |
Available documents
Reference — 900-0610 Onan MDKC MDKD Repair Times (Cummins/Onan)Parts manual — 981-0224 Cummins MDKC Parts Manual (3-2009) (Cummins/Onan)Parts manual — F-1229D Onan Marine Service Parts & Maintenance Schedule Card (09-2002) (Cummins/Onan)Service manual — 981-0502 Onan DKC DKD MDKC MDKD Genset Engine Service manual 03-1994 (Cummins/Onan)