Specifications
| Fuel | gasoline |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 5 kW |
| Prime power | 5 kW |
| Voltage options | 110 V, 115 V |
| Phase | single |
| Battery voltage | 12 V |
| Battery quantity | 1 |
Maintenance & consumables
for the Continental Red Seal| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Oil bath air cleaner | — | |||
| Fuel filter | Fuel pump filter screen | — | |||
| Oil filter | Filter element cartridge | — | |||
| Battery | 12-volt automotive battery | — | |||
| Coolant | Engine coolant for radiator | 11.0 quarts | — | ||
| Oil | Undiluted engine oil for crankcase | 3.0 quarts | — | 50 hr | |
| Spark plug | Spark plugs | ×4 | — | 200 hr |
Common questions
How many kW is the Cummins/Onan 5KW GO?
The Cummins/Onan 5KW GO is rated 5 kW standby.
What engine does the Cummins/Onan 5KW GO use?
The Cummins/Onan 5KW GO is powered by the Continental Red Seal engine.
Is the Cummins/Onan 5KW GO diesel or gas?
The Cummins/Onan 5KW GO runs on gasoline.
Troubleshooting
6Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Generator overheating | Overloaded. Brush rig out of position. | Reduce load. Be sure to line up marks. See Brush Rig. |
| Voltage drops under heavy load | Engine lacks power. See remedies for engine mising under heavy load. Poor compression. Tighten cylinder head and spark Plugs. If still not corrected, grind the valves. Replace piston rings, if necessary. | See MAINTENANCE AND REPAIR. |
| Engine misfires at light load | Carburetor idle adjustment set wrong or clogged. Spark plug gaps too narrow. Adjust to correct gap. Refer ta TABLE OF CLEARANCES. Intake air leak. Tighten or replace gaskets. Faulty ignition. Clean, adjust, or replace breaker points, plugs, condenser, coil, etc., or retime ignition, Uneven compression. Tighten cylinder head and spark plugs. If still not corrected, grind valves. Replace piston rings, if necessary. | |
| Engine misfires at all loads | Fouled spark plug. Defective or wrong spark plug. Sticking valves. Broken valve spring. Defective ignition wires. Defective or improperly adjusted paints. | Clean and adjust, Replace, Clean stems and guides. Replace. Adjust or replace breaker points. See Periodic Service - Weekly. |
| Low oil pressure | Too long screw on center main bearing. Oil too light. Oil badly diluted. Oil level too low. Oil relief valve not seating. Badly worn bearings. | See MAIN BEARINGS. Drain, refill with proper oil. See PREPARATION. Drain, refill with proper oil. Add oil. Remove and clean, or replace. See LUBRICATION SYSTEM. Replace. See MAINTENANCE AND REPAIR. |
| Plant starts but does not continue to run | START button released too soon. Defective panel equipment. | Hold in contact longer. See Controls. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full Cummins/Onan 5KW GO troubleshooting guide (22 entries) →
Available documents
Service manual — 903-0000 Onan 5KW GO Genset Operator's & Service manual (1945) (Cummins/Onan)