Specifications
| Fuel | No. 1, No. 2 Diesel or Blend |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 4 kW |
| Standby kVA | 4 |
| Oil capacity | 3.8 L |
| Alternator | Cummins/Onan Generator |
| Voltage options | 12 V, 120 V, 120/240 V |
| Phase | 1 or 3 |
| Battery cranking | 425 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Coolant capacity | 2.6 L |
| Dry weight | 475 kg |
Maintenance & consumables
for the Cummins/Onan Gasoline 4-cycle| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Air filter element | — | find | ||
| Fuel filter | Fuel filter element | — | find | ||
| Oil filter | Oil filter element | — | find | ||
| Belt | Drive belt - water pump | — | find | ||
| Coolant | Engine coolant | — |
Common questions
What is the power rating of the Cummins/Onan DKC?
The Cummins/Onan DKC is rated 4 kW standby (4.0 kVA).
What engine does the Cummins/Onan DKC use?
The Cummins/Onan DKC is powered by the Cummins/Onan Gasoline 4-cycle engine.
What fuel does the Cummins/Onan DKC use?
The Cummins/Onan DKC runs on No. 1, No. 2 Diesel or Blend.
What alternator does the Cummins/Onan DKC use?
The Cummins/Onan DKC uses a Cummins/Onan Generator alternator.
Troubleshooting
2Fault codes
| Code | Meaning | Cause | Remedy |
|---|---|---|---|
| LOW OIL PRESSURE | The DC control has sensors that continuously monitor the engine for abnormal conditions such as low oil pressure and high coolant temperature. If one of these conditions occur, the control stops the engine. | If low, add oil to bring level up to full mark. Inspect engine exterior for leaks and repair as necessary. Be sure the correct viscosity oil is used for existing ambient temperature (see Maintenance section). The oil pressure switch actuates the fault circuit if pressure drops below 9 psi (62 kPa). | Remove the dipstick and check oil level. If low, add oil to bring level up to full mark. Inspect engine exterior for leaks and repair as necessary. Be sure the correct viscosity oil is used for existing ambient temperature. |
| HIGH COOLANT TEMPERATURE | The coolant temperature switch closes at 250°F (121°C) and actuates the fault circuit. | Check the coolant level in radiator after allowing engine to cool down. Ensure the pump belt is okay and has proper tension. Also check cooling system cleanliness (freedom from contaminants, rust, sludge build-up, etc.). | Check the coolant level in radiator after allowing engine to cool down. Ensure the pump belt is okay and has proper tension. Also check cooling system cleanliness. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
20| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 185-2115 | Pump, oil | 1 | Pump | PartsGeek |
| 185-2217 | Gasket, cylinder head valve cover | 1 | Gasket | PartsGeek |
| 185-2232 | Element, breather | 1 | Air filter | PartsGeek |
| 185-2291 | Seal, oil | 3 | Seal | PartsGeek |
| 185-2349 | O-Ring | 1 | Seal | PartsGeek |
| 193-0318 | Sender, temperature - engine coolant | 1 | Sensor | PartsGeek |
| 185-2000 | Crankcase block | 1 | Service part / kit | PartsGeek |
| 185-2003 | Crankshaft standard | 3 | Service part / kit | PartsGeek |
| 185-2015 | Ring, piston standard | 3 | Service part / kit | PartsGeek |
| 185-2016 | Pin, piston | 6 | Service part / kit | PartsGeek |
| 185-2064 | Valve, inlet | 3 | Service part / kit | PartsGeek |
| 185-2065 | Valve, exhaust | 3 | Service part / kit | PartsGeek |
| 185-2079 | Spring, compression | 6 | Service part / kit | PartsGeek |
| 185-2093 | Cap, oil fill | 1 | Service part / kit | PartsGeek |
| 185-2094 | Cock, drain | 1 | Service part / kit | PartsGeek |
| 185-2230 | Baffle, breather | 1 | Service part / kit | PartsGeek |
| 185-2280 | Valve cover, cylinder head | 1 | Service part / kit | PartsGeek |
| 185-2287 | Plate, breather | 1 | Service part / kit | PartsGeek |
| 185-2290 | Nut, cap | 3 | Service part / kit | PartsGeek |
| 981-0625 | Generator Set | 7 | 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 | |||
| Standby |
Available documents
Parts manual — 0932-0112 Onan Post-Sale Literature Index (07-1998) (Cummins/Onan)Parts manual — 981-0221 Onan DKC Parts Manual (8-1990) (Cummins/Onan)Service manual — 981-0625 Onan DKC DKD Aux Installation Manual (7-1991) (Cummins/Onan)