Specifications
| Standby power | 4 kW |
|---|
Maintenance & consumables
for the Cummins/Onan 4.0BGEFA261 OOL| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | 150 hr | find | ||
| Fuel filter | — | 300 hr | find | ||
| Oil filter | — | 150 hr | find | ||
| Belt | — | find | |||
| Coolant | — | ||||
| Oil | 3.5 quarts | — | 50 hr |
Common questions
What is the power rating of the Cummins/Onan 4000?
The Cummins/Onan 4000 is rated 4 kW standby.
What engine does the Cummins/Onan 4000 use?
The Cummins/Onan 4000 is powered by the Cummins/Onan 4.0BGEFA261 OOL engine.
Troubleshooting
8Symptoms & remedies
| Symptom | Remedy |
|---|---|
| The engine fails to crank. | A. Try starting at the genset rather than at the remote control. b. Replace fuse F1 on the control panel if it has blown. c. Clean and tighten the positive (+) and negative (-) battery cable connections at the battery and the genset. d. Recharge the battery. Refer to the battery manufacturer's recommendations. |
| The engine cranks slowly. | A. Disconnect the air conditioner and other large loads. b. Clean and tighten the positive (+) and negative (-) battery cable connections at the battery and the genset. c. Recharge the battery. Refer to the battery manufacturer's recommendations. d. Change the engine oil to oil having the proper viscosity for the ambient temperature. See Table 1. |
| The engine cranks but fails to start. | A. Check the fuel tank and fill if necessary. b. Open any closed fuel shut off valve. c. Check engine oil level and add oil as necessary. d. Replace fuse F2 (side of control panel) if it has blown. e. Service the air cleaner. f. Secure the spark plug leads on the spark plugs. g. Replace the spark plugs. |
| The engine runs and then stops or surges. | A. Check the fuel tank and fill if necessary. b. Check the engine oil level and add oil as necessary. Drain excess oil if the level is above the dipstick Full mark. c. Check and reset the carburetor preheater lever and altitude adjust knob. See Varying Weather and Altitude. d. Secure the spark plug leads on the spark plugs. e. Replace the spark plugs. |
| There is no electrical power even though the genset runs. | A. Reset tripped circuit breakers. See Powering Equipment. b. Unless there is an automatic power transfer switch, plug the boat power cord into the genset power output receptacle (if so equipped) or turn the pontoon boat power selector switch to its genset position (if so equipped). |
| The remote battery condition meter indicates low voltage. | A. Clean and tighten the positive (+) and negative (-) battery cable connections at the battery and the genset. b. Recharge the battery. Refer to the battery manufacturer's recommendations. |
| The genset keeps stalling or the circuit breaker keeps tripping. | Try running with fewer appliances connected. See Powering Equipment. |
| Black smoke exits the tailpipe. | Service the air cleaner. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
48| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 103-0810 | Gasket, Mounting - Gearcase | 1 | Gasket | PartsGeek |
| 110-1824 | Bearing, Crankshaft - Rear (Standard .002" .010" .020" .030" Undersize) | 1 | Bearing | PartsGeek |
| 122-0320 | Adapter, Oil Filter | 1 | Oil filter | PartsGeek |
| 122-0360 | Drain, Oil Filter (Unpainted/Painted) | 1 | Oil filter | PartsGeek |
| 122-0645 | Gasket, Oil Filter Adapter | 1 | Gasket | PartsGeek |
| 122-0774 | Filter, Oil | 1 | Oil filter | PartsGeek |
| 140-1087 | Gasket, Horn - Air | 3 | Gasket | PartsGeek |
| 140-1891 | Element, Cleaner - Air | 1 | Air filter | PartsGeek |
| 149-1994 | Pump, Fuel - Electric (Serial F860825839-F863114065) | 1 | Pump | PartsGeek |
| 149-2110 | Pump, Fuel - Electric (Begin F860825893) | 1 | Pump | PartsGeek |
| 153-0567 | Bi-Metal, Choke | 1 | Sensor | PartsGeek |
| 166-0772 | Coil, Ignition (Includes Nuts and Washers) | 1 | Sensor | PartsGeek |
| 191-1599 | Starter, 12 Volt Motor (Spec A) | 1 | Starter | PartsGeek |
| 191-1667 | Starter, 12 Volt Motor (Begin Spec B) | 1 | Starter | PartsGeek |
| 226-2980 | Switch, Low Oil Pressure | 1 | Sensor | PartsGeek |
| 312-0249 | Condenser, Ignition | 1 | Sensor | PartsGeek |
| 509-0040 | Seal, Oil - Crankshaft | 1 | Seal | PartsGeek |
| 516-0141 | Filter, Breather | 2 | Air filter | PartsGeek |
| 965-0248 | BATTERY | 1 | Battery | PartsGeek |
| 965-0373 | SPARK PLUG | 1 | Spark plug | PartsGeek |
| M-1604-9 | Spark Plug (Gasoline) | 1 | Spark plug | PartsGeek |
| SN5782U1G2RA | Engine | Engine | PartsGeek | |
| 101-0450 | Screw, Cap - Hex Head 3/8-16 x 1-1/4" | 1 | Service part / kit | PartsGeek FridayParts $799.90 |
| 103-0772 | Gearcase (Kit) - Governor | 1 | Service part / kit | PartsGeek |
| 110-0197 | Washer, Thrust (Special) | 2 | Service part / kit | PartsGeek |
| 110-1879-01 | Washer, Lock (3/8") | 1 | Service part / kit | PartsGeek |
| 110-3527 | Insert, Valve Seat - Exhaust | 2 | Service part / kit | PartsGeek |
| 113-0189 | Ring, Retaining - Piston (Standard .005" .010" .020" .030" .040" Oversize) | 2 | Service part / kit | PartsGeek |
| 114-0240 | Rod, Connecting (Standard .010" .020" .030" Undersize) | 4 | Service part / kit | PartsGeek |
| 114-0257 | Ring Set, Piston (Standard .010" .020" .030" Undersize) | 2 | Service part / kit | PartsGeek |
| 123-1174 | Guide, Valve Exhaust | 1 | Service part / kit | PartsGeek |
| 123-1175 | Guide, Valve Intake Front | 1 | Service part / kit | PartsGeek |
| 140-1894 | Housing, Cleaner - Air | 1 | Service part / kit | PartsGeek |
| 150-1187 | Screw, Machine - Pan Head (#8-32 x 3/8") | 2 | Service part / kit | PartsGeek |
| 153-0554 | Bracket, Mounting - Housing | 1 | Service part / kit | PartsGeek |
| 153-0555 | Housing Assembly, Choke | 1 | Service part / kit | PartsGeek |
| 153-0556 | Bracket, Mounting - Diaphragm | 1 | Service part / kit | PartsGeek |
| 153-0563 | Clip, U' - Diaphragm Mounting | 2 | Service part / kit | PartsGeek |
| 154-2447 | Manifold, Intake | 1 | Service part / kit | PartsGeek |
| 166-0747 | Clamp, Coil | 1 | Service part / kit | PartsGeek |
| 167-1605-02 | Cable, Plug - Spark (135" Boot, Spec A-C) | 1 | Service part / kit | PartsGeek |
| 167-1615-01 | Cable, Plug - Spark (9" Lead, Spec E-) | 1 | Service part / kit | PartsGeek |
| 815-0590 | Screw, Hex Head (Special) | 1 | Service part / kit | PartsGeek |
| 850-0050 | Screw, Socket - Set (3/8-16 x 5/8") | 5 | Service part / kit | PartsGeek |
| 870-0302 | Nut, Self-Locking (5/16-24) | 4 | Service part / kit | PartsGeek |
| M-1604-1 | 1/4 in. barb fitting | 1 | Service part / kit | PartsGeek |
| M-1604-14 | Governor Adjustment | 1 | Service part / kit | PartsGeek |
| M1604 | BGE AND BGEL GENERATOR SETS | 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 |