HomeCummins/OnanCummins/Onan DFBJ

Cummins/Onan DFBJ Generator Set

The Cummins/Onan DFBJ is a 250 kW standby generator set powered by a Cummins/Onan NT855-G6 engine. It is available at , 3-phase and 50 Hz. It holds about 40 L (10.6 gal) of oil and 64.4 L (17.0 gal) of coolant.

250 kW
Standby
40.0 L
Oil capacity
1
Document types

How to read your Cummins/Onan serial & model number →

Specifications

Frequency50.0 Hz
Standby power250 kW
ControllerDetector
Oil capacity40.0 L
Phase3
Battery voltage24 V

Engine

Cummins/Onan NT855-G6
Oil capacity40.0 L
Coolant capacity64.4 L

Maintenance & consumables

for the Cummins/Onan NT855-G6
ItemSpecCapacityPart #Interval
Air filter find
Fuel filter find
Oil filter find
Belt find
Coolant
Coolant filter find
OilSAE 10W-30 (-13°F to 95°F); SAE 15W-40 (-14°F and above); SAE 20W-40 (32°F and above)42.0 quarts

Common questions

What is the power rating of the Cummins/Onan DFBJ?

The Cummins/Onan DFBJ is rated 250 kW standby.

What engine does the Cummins/Onan DFBJ use?

The Cummins/Onan DFBJ is powered by the Cummins/Onan NT855-G6 engine.

What is the oil capacity of the Cummins/Onan DFBJ?

The Cummins/Onan NT855-G6 engine in the Cummins/Onan DFBJ has an oil capacity of 40.0 liters.

Parts

53
Part #DescriptionQtySystem
0300-4623-08DFBF (600V)1Current transformer PartsGeek
0300-4623-23DFBF BR (0-480V)1Current transformer PartsGeek
102-1335Plug, Oil Drain1Plug PartsGeek
140-2389Cleaner, Air (Includes Element)1Air filter PartsGeek
140-2391Element, Air Cleaner1Air filter PartsGeek
191-1858Starter (24VDC)1Starter PartsGeek
191-1981Fan, Alternator1Alternator PartsGeek
191-1982Pulley, Alternator1Alternator PartsGeek
191-1983-02Alternator (G1)1Alternator PartsGeek
193-0432Sender, Oil Temperature (S2 Engine Block, E4 Oil Pan)2Sensor PartsGeek
193-0447-01Sender, Water Temperature (E2)1Sensor PartsGeek
193-0448Sender, Oil Pressure (E1)1Sensor PartsGeek
307-2621-02Relay, Start Solenoid (K4)1Relay PartsGeek
309-0269Air Cleaner (Includes Element) - Standard1Switch PartsGeek ironwing $32.86
309-0576Switch, Thermostat - High Engine Coolant Temperature (S2)1Sensor PartsGeek
309-0641-03Switch, Oil Pressure (S1)1Sensor PartsGeek
309-0641-07Switch, Oil Pressure - Pre-Alarm (S5)1Sensor PartsGeek
319-2236Bracket, Mounting1Bracket PartsGeek
502-0827Barb, Hose (1/2 x 3/4)2Hose PartsGeek
503-0189Clamp, Hose2Hose PartsGeek
503-1634-01Hose, Rubber (3/4" ID x 4")4Hose PartsGeek
504-0011Valve, Shutoff (1/2”)1Valve PartsGeek
505-0019Bushing, Pipe - Reducer 1/2” to 3/8”, DFBF (1/2” to 3/8”) 505-0131 DFCB, DFCC, DFCE (3/4” to 3/8”)1Bushing PartsGeek
505-0100Nipple, Pipe - Close (1/2”)1Nipple PartsGeek
508-0292Washer, Sealing - Copper1Washer PartsGeek
511-0092Belt, Alternator1Belt PartsGeek
518-0548-58Clamp, Hose3Clamp PartsGeek
526-0029Washer, Flat (3/8)1Washer PartsGeek
526-0219Washer, Flat (1/2)2Washer PartsGeek
800-0048Screw, Cap - Hex Head (3/8-16 x 3/4”)1Screw PartsGeek
800-0092Screw, Cap - Hex Head (1/2-13 x 1.5)2Screw PartsGeek
850-0050Washer, Lock - Spring (3/8”)4Washer PartsGeek
870-0212Nut, Locking (1/4-20)4Nut PartsGeek
960-0504PCC Control Service Manual*Service manual PartsGeek
960-0507Detector Control Service Manual**Service manual PartsGeek
B-342-3sPRIMING TURBOCHARGER OIL SUPPLY INLET LINE. DISCONNECT AT THIS POINT TO PRIMETurbocharger PartsGeek
CS-1382cINLET AIR DAMPERAir filter PartsGeek
ES-1214-2FLOAT SWITCHAir filter PartsGeek
FS1803sFUEL FILTERSFuel filter PartsGeek
130-3588Cap, Radiator1Service part / kit PartsGeek
130-4355Radiator (2 Row Core) DFBJ1Service part / kit PartsGeek
130-4355-01Radiator (3 Row Core) DFCF, DFCG1Service part / kit PartsGeek
130-4369Radiator DFCH1Service part / kit PartsGeek
155-2409-01Elbow, Exhaust (5" OD With Threads)1Service part / kit PartsGeek
191-2121Regulator, Voltage1Service part / kit PartsGeek
333-0639-01Heater, Coolant (4990 Watt)1Service part / kit PartsGeek
333-0639-02Heater, Coolant (6420 Watt)1Service part / kit PartsGeek
503-1575Clamp, V-Band1Service part / kit PartsGeek
960-0138Service part / kit PartsGeek
960-0606Service part / kit PartsGeek
EXS-1046sCONDENSATION TRAPService part / kit PartsGeek
FS1692sFUEL SOLENOID VALVE LOCATIONService part / kit PartsGeek
M-1808DC CONTROL WIRINGService part / kit PartsGeek dieselpartscenter $9.40

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.

Available documents

Parts manual — 960-0216 Cummins DFBJ DFCF DFCG DGCH Parts Manual (10-2010) (Cummins/Onan)

Other sets with this engine