Specifications
| Fuel | Gasoline |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 4 kW |
| Prime power | 3 kW |
| Oil capacity | 3.8 L |
| Alternator | Cummins/Onan 30 |
| Voltage options | 120/240 V |
| Phase | Single |
| Power factor | 1.0 |
| Battery group | SAE Group 60 |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Dimensions (L×W×H) | 750×486×571 mm |
| Dry weight | 290 kg |
| Fuel tank | 15.0 L |
Maintenance & consumables
for the Cummins/Onan CCK| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | 500 hr | find | ||
| Fuel filter | — | find | |||
| Oil filter | — | find | |||
| Belt | — | find | |||
| Coolant | — | ||||
| Fuel | Fuel system and pump | — | |||
| Oil | API SE or SE/CC | 4.6 liters | — | 200 hr |
Common questions
What is the power rating of the Cummins/Onan 4.0CCK?
The Cummins/Onan 4.0CCK is rated 4 kW standby.
What engine does the Cummins/Onan 4.0CCK use?
The Cummins/Onan 4.0CCK is powered by the Cummins/Onan CCK engine.
What fuel does the Cummins/Onan 4.0CCK use?
The Cummins/Onan 4.0CCK runs on Gasoline.
What is the oil capacity of the Cummins/Onan 4.0CCK?
The Cummins/Onan CCK engine in the Cummins/Onan 4.0CCK has an oil capacity of 2.8 liters.
What alternator does the Cummins/Onan 4.0CCK use?
The Cummins/Onan 4.0CCK uses a Cummins/Onan 30 alternator.
Troubleshooting
4Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Low or Discharged Battery | Check and replace if necessary. | |
| Loose or Corroded Battery Connection | Faulty Starter | |
| Out of Fuel | Check fuel | |
| Lean Fuel Mixture | Readjust |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Repair guides
4Step-by-step procedures compiled from the Cummins/Onan service manual for this model.
Parts
81| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 101K115 | Gasket Kit, Rear Bearing Plate | 1 | Gasket | buy |
| 102B158 | Gasket, Oil Base | 1 | Gasket | buy |
| 103B1 | Gasket, Gear Cover | 1 | Gasket | buy |
| 103B11 | Gasket, Gear cover | 1 | Gasket | buy |
| 110A667 | Gasket, Valve Cover | 2 | Gasket | buy |
| 110A892 | Gasket, Cylinder Head | 2 | Gasket | buy |
| 110B880 | Gasket, Fuel Pump Hole Cover | 1 | Gasket | buy |
| 110D883 | Gasket, Cylinder Head Left #1 Hi-Comp | 1 | Gasket | buy |
| 110D884 | Gasket, Cylinder Head Right #2 Hi-Comp | 1 | Gasket | buy |
| 110D890 | Gasket, Cylinder Head Right #2 | 1 | Gasket | buy |
| 110D891 | Gasket, Cylinder Head Left #1 | 1 | Gasket | buy |
| 120A187 | Pump - Includes Cup, Screen and Pipe | 1 | Pump | buy |
| 120A491 | *Gasket, Diaphragm | 1 | Gasket | buy |
| 120K161 | Gasket Kit, Oil Pump | 1 | Gasket | buy |
| 122-37 | Cartridge, Oil Filter | 1 | Oil filter | buy |
| 122-75 | Element, Oil Filter | 1 | Oil filter | buy |
| 122C9 | Filter, Oil - Includes Cartridge (Optional) | 1 | Oil filter | buy |
| 123A104 | Gasket, Oil Fill Tube | 1 | Gasket | buy |
| 123A191 | Gasket, Oil Fill Cap | 1 | Gasket | buy |
| 134B660 | Element, Vernatherm | 1 | Thermostat | buy |
| 140B495 | Air Cleaner Element | 1 | Air filter | buy |
| 140P837 | Element, Air Cleaner | 1 | Air filter | buy |
| 141A78 | Gasket, Carburetor Flange | 1 | Gasket | buy |
| 142-31 | Gasket, Body to Bowl | 1 | Gasket | buy |
| 142-32 | Gasket, Nozzle | 1 | Gasket | KuduParts $31.00 |
| 142-33 | *Gasket Kit, Carburetor | 1 | Gasket | buy |
| 142-361 | Gasket, Nozzle | 1 | Gasket | buy |
| 142-49 | *Valve and Seat Assembly, Float - Includes Gasket ........•...•.. | 1 | Gasket | buy |
| 145B266 | Gasket, Carburetor Adapter to Manifold | 1 | Gasket | buy |
| 148-0034 | Pressure Reducing | 1 | Pressure reducing | buy |
| 148A17 | @Gasket, Bushing - Float Lock. | 1 | Gasket | buy |
| 148A22 | Gasket, Adapter Mounting | 1 | Gasket | buy |
| 149-0558 | Fuel Strainer | 1 | Fuel strainer | buy |
| 149-0751 | Electric Shutoff Valve | 1 | Electric shutoff valve | buy |
| 149-149 | Filter, Fuel | 1 | Fuel filter | buy |
| 149-150 | Bowl, Fuel Filter | 1 | Fuel filter | buy |
| 149A3 | Gasket, Fuel Pump Mtg. 45 502-3 ! Connector, Fue! Filter | 1 | Gasket | buy |
| 149A404 | Seal, 'O' Ring | 1 | Seal | buy |
| 149A858 | Gasket, Diaphragm | 1 | Gasket | buy |
| 149A95 | Gasket, Valve | 2 | Gasket | buy |
| 149D693 | Pump, Fuel - ONAN mfr., with primer lever - Replaces earlier atyle pumps used, of any manufacture | 1 | Pump | buy |
| 150A425 | Gasket, Booster to Manifold | 1 | Gasket | buy |
| 150A668 | Gasket, Diaphragm Plate | 1 | Gasket | buy |
| 154A13 | Gasket, Intake Manifold | 1 | Gasket | buy |
| 154A360 | Gasket, Carburetor Mounting | 1 | Gasket | buy |
| 154C377 | Gasket, Exhaust Manifold or Muffler Mounting | 1 | Gasket | buy |
| 160A150 | Gasket, Breaker Box Cover | 1 | Gasket | buy |
| 160A43 | Gasket, Breaker Box Mounting | 1 | Gasket | buy |
| 160A723 | Gasket, Breaker Box and Spacer Mounting | 1 | Gasket | buy |
| 167-177 | Plug, Spark | 2 | Spark plug | buy |
| 167-241 | Plug, Spark | 2 | Spark plug | buy |
| 168K103 | Gasket Kit, Plant | 1 | Gasket | buy |
| 168K67 | Gasket Kit, Plant (Repl. 16aK103) | 1 | Gasket | buy |
| 168K88 | Gasket Kit, Complete Engine | 1 | Gasket | buy |
| 168K95 | Gasket Kit, Carbon Removal | 1 | Gasket kit | buy |
| 193A108 | Element, Oil Pressure | 1 | Sensor | buy |
| 501A118 | Line, Flexible Oil | 1 | Hose | buy |
| 501A9 | Line, Flexible Fuel | 1 | Hose | buy |
| 503A480 | Hose, Air Cleaner | 1 | Hose | buy |
| 509-65 | 149A1042 | 2 | Seal | buy |
| 509-8 | Seal, Oil - Governor Shaft | 1 | Seal | buy |
| 509-9 | Seal, "O" Ring | 1 | Seal | buy |
| 509A40 | *Seal, Gear Cover | 1 | Seal | buy |
| 509A41 | Seal, Bearing Plate | 1 | Seal | buy |
| 509A97 | Seal, Oil - Gear Cover | 1 | Seal | buy |
| 511-76 | Belt, Alternator | 1 | Belt | buy |
| 514-51 | Belt, Charge Generator Drive | 1 | Belt | buy |
| 518-129 | *Gasket, Fuel Pump Mounting | 1 | Gasket | buy |
| 525P187 | Onan Green, spray can | Paint | buy | |
| A-677 | Gear cover oil seal | Oil seal | buy | |
| XA-744AN | Seal, 'O' Ring | 1 | Seal | buy |
| 160A2 | Point Set, Breaker | 1 | Service part / kit | buy |
| 160A75 | 160A 150 | 1 | Service part / kit | buy |
| 201-1312 | Rotor Assembly, Wound | 1 | Service part / kit | buy |
| 222-1675 | Blower, Generator Plate, Baffle Armature Assembly - includes Blower and Bearing - DC I | 1 | Service part / kit | buy |
| 312A69 | Condenser | 1 | Service part / kit | buy |
| 525P216 | Onan White, spray can | Service part / kit | buy | |
| 900-19 | Onan Tool Catalog | Service part / kit | buy | |
| N2301B | . SMPD, COND, END PLATE | 1 | Service part / kit | buy |
| N9301B | CONTROL BOX MTS. BRKT | 1 | Service part / kit | buy |
| NS3010 | CONTROL BOX € PANEL ASSY | 1 | Service part / kit | buy |
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
Operator's manual — 927-0300 Onan CCK (spec A-K) Genset Operator's manual & Parts catalog (07-1973) (Cummins/Onan)Parts manual — 927-0220 Onan CCK (spec A-U) RV Genset Parts manual (04-1989) (Cummins/Onan)Service manual — 927-0122 Onan CCK (spec R-V) non-RV Genset Operator's manual (04-1987)Service manual — 927-0310 Onan CCK (spec A-R) RV Genset Operators & Parts manual (03-1973) (Cummins/Onan)Service manual — 927-0500 Onan CCK (spec A-K) Genset Major Service manual (01-1973) (Cummins/Onan)Service manual — 927-0500 Onan CCK (spec A-K) Genset Service manual (07-1973) (Cummins/Onan)