HomeCummins/OnanCummins/Onan DFCC

Cummins/Onan DFCC Generator Set

The Cummins/Onan DFCC is a 350 kW (438 kVA) diesel standby generator set powered by a Cummins/Onan NTA855-G3 engine. It is available at 110/190 V, 115/200 V, 120/208 V, 127/220 V, 139/240 V, 120/240 V, 220/380 V, 240/415 V, 254/440 V, 277/480 V and 347/600 V, 3-phase and 60 Hz. It holds about 37.9 L (10.0 gal) of oil and 51.1 L (13.5 gal) of coolant, with a maximum ambient rating of 50 °C. Starting uses 2 group-8 batteries rated 975 CCA at 12 V. The set measures 3607×1270×1615 mm (142.0×50.0×63.6 in) and weighs about 3289 kg (7251 lb). An integrated tank holds 42 L (11.1 gal).

350 kW
Standby
14.0 L
Displacement
37.9 L
Oil capacity
5
Document types

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

Specifications

Fueldiesel
Frequency60.0 Hz
Standby power350 kW
Standby kVA438
Prime power315 kW
ControllerPowerCommand, PowerCommand 2100, PowerCommand 3100, PowerCommand 3100 (PCC)
Oil capacity37.9 L
Voltage options110/190 V, 115/200 V, 120/208 V, 127/220 V, 139/240 V, 120/240 V, 220/380 V, 240/415 V, 254/440 V, 277/480 V, 347/600 V
Phase3
Battery group8D
Battery cranking975 CCA
Battery voltage12 V
Battery quantity2
Coolant capacity51.1 L
Max ambient50 °C
Dimensions (L×W×H)3607×1270×1615 mm
Dry weight3289 kg
Fuel tank42.0 L

Engine

Cummins/Onan NTA855-G3
Oil capacity37.9 L
Coolant capacity51.1 L
Displacement14.0 L
AspirationTurbocharged and Aftercooled
Rated speed1800 rpm

Maintenance & consumables

for the Cummins/Onan NTA855-G3
ItemSpecCapacityPart #Interval
Air filterIf the engine is equipped with an oil bath type air cleaner, fill to the level indicated with oil of the same viscosity as used in the crankcase. However, a non-detergent (straight mineral) oil is recommended.1000 hr find
Fuel filter500 hr find
Oil filter1000 hr find
Belt1000 hr find
CoolantFor units which use either a radiator or heat exchanger (city water cooled), fill the cooling system with clean soft water, The standard radiator and block capacity is 21 U.S. gallons. Use a good rust and scale inhibitor. If there is any possibility of a radiator cooled plant being exposed to freezing temperatures, use antifreeze with ethylene glycol base as instructed in the Cummins manual.80.63 L5000 hr
Coolant filter find
Oil10.0 gallons100 hr

Common questions

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

The Cummins/Onan DFCC is rated 350 kW standby (438.0 kVA).

What engine does the Cummins/Onan DFCC use?

The Cummins/Onan DFCC is powered by the Cummins/Onan NTA855-G3 engine.

What fuel does the Cummins/Onan DFCC use?

The Cummins/Onan DFCC runs on diesel.

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

The Cummins/Onan NTA855-G3 engine in the Cummins/Onan DFCC has an oil capacity of 37.9 liters.

Troubleshooting

80

Fault codes

CodeMeaningCauseRemedy
F01Generator does not startPossible causes include low battery voltage, faulty starter motor, or incorrect wiringCheck the battery voltage; replace if necessary. Test the starter motor. Verify all connections are correct and secure. Refer to the fault code table for more details.
F02Generator produces insufficient power outputPossible causes include clogged air filter, low fuel level, or malfunctioning alternatorClean or replace the air filter. Check the fuel level; refill if necessary. Inspect the alternator for any signs of damage or wear. Refer to the fault code table for more details.
F03Generator overheatsPossible causes include clogged cooling system, low coolant level, or malfunctioning thermostatClean the radiator fins and check for debris blockages. Check the coolant level; top up if necessary. Test the thermostat to ensure it is functioning correctly. Refer to the fault code table for more details.
F04Generator produces excessive noise during operationPossible causes include loose engine components, worn-out bearings, or malfunctioning mufflerInspect all moving parts and tighten any loose bolts. Replace worn-out bearings as needed. Check the muffler for damage; replace if necessary. Refer to the fault code table for more details.
F05Generator emits black smoke during operationPossible causes include rich fuel mixture, clogged air filter, or malfunctioning fuel injection systemAdjust the fuel mixture according to the manufacturer’s specifications. Clean or replace the air filter. Inspect and clean the fuel injection system components. Refer to the fault code table for more details.
F06Generator produces blue smoke during operationPossible causes include oil dilution, worn-out piston rings, or malfunctioning exhaust valveCheck the oil level; top up if necessary. Inspect the piston rings for wear and replace as needed. Test the exhaust valves to ensure they are functioning correctly. Refer to the fault code table for more details.
F07Generator produces white smoke during operationPossible causes include coolant leakage, water in fuel system, or malfunctioning thermostatInspect the cooling system for any leaks; repair if necessary. Check the fuel system for signs of water contamination; replace fuel as needed. Test the thermostat to ensure it is functioning correctly. Refer to the fault code table for more details.
212Shutdown lamp lights. MESSAGE: HIGH COOLANT TEMP 212 - SHUTDOWNIndicates engine has overheated (coolant temperature has risen above the shutdown trip point: 223° F − standby / 215° F − primary)Allow engine to cool down completely before proceeding with the following checks: a. Check coolant level and replenish if low. Look for coolant leakage and repair if necessary. b. Check for obstructions to cooling airflow and correct as necessary. c. Check fan belt and repair or tighten if necessary. d. Reset control and restart after locating and correcting problem. Contact an authorized service center if none of the above.
213Warning lamp lights. MESSAGE: ENG COOLANT SENDER 213 - WARNINGIndicates that the resistance of the coolant temperature sender is out of range. Contact an authorized service center.
214Shutdown lamp lights. MESSAGE: LOW COOLANT LVL 214 - WARNING or LOW COOLANT LVL 215 - SHUTDOWNIndicates engine coolant level has fallen below the trip point. Allow engine to cool down completely before proceeding. a. Check coolant level and replenish if low. Look for possible coolant leakage points and repair if necessary. b. Reset control and restart after locating and correcting problem. Contact an authorized service center.
220Shutdown lamp lights. MESSAGE: MAG PICKUP 220 - SHUTDOWNIndicates mag pickup speed indication is not being sensed or does not match generator set output frequency. a. Restart and check RPM on the digital display. b. Contact an authorized service center.
221Shutdown lamp lights. Engine will not crank. MESSAGE: FAIL TO CRANK 221 - SHUTDOWNIndicates possible fault with control or starting system. Check for the following conditions: a. Poor battery cable connections. Clean the battery cable terminals and tighten all connections. b. Discharged or defective battery. Recharge or replace the battery. c. Contact an authorized service center for service of starter and starting system.
222Shutdown lamp lights. Engine stops cranking. MESSAGE: OVERCRANK 222 - SHUTDOWNIndicates possible fuel system problem. a. Check for empty fuel tank, fuel leaks, or plugged fuel lines and correct as required. b. Check for dirty fuel filter and replace if necessary. c. Check for dirty or plugged air filter and replace if necessary. d. Reset the control and restart after correcting the problem. Contact an authorized service center if none of the above.
223Shutdown lamp lights. Engine runs and then shuts down. MESSAGE: OVERSPEED 223 - SHUTDOWNIndicates engine has exceeded normal operating speed. (2070 rpm @ 60 hz; 1800 rpm @ 50 hz) Contact an authorized service center.
230Warning lamp lights. MESSAGE: LOW DC VOLTAGE 230 - WARNINGIndicates battery voltage is below 24 VDC. a. Discharged or defective battery. Check the battery charger fuse. Recharge or replace the battery. b. Poor battery cable connections. Clean the battery cable terminals and tighten all connections. c. Contact an authorized service center if none of the above.
231Warning lamp lights. MESSAGE: HIGH DC VOLTAGE 231 - WARNINGIndicates battery voltage exceeds 32 VDC. Contact an authorized service center.
232Warning lamp lights. MESSAGE: WEAK BATTERY 232 - WARNINGIndicates battery voltage drops below 60% of nominal for two seconds, during starting. a. Discharged or defective battery. See Warning message 230, LOW DC VOLTAGE.
240Warning lamp lights. MESSAGE: LOW FUEL DAY 240 - WARNINGIndicates day tank fuel supply is running low. Check fuel supply and replenish as required.
241Warning lamp lights. MESSAGE: LOW FUEL 241 - WARNINGIndicates fuel supply is running low. Check fuel supply and replenish as required.
250Shutdown lamp lights. MESSAGE: EEPROM ERROR 250 - SHUTDOWNIndicates PCC memory error. Data corruption of critical operating parameters. Contact an authorized service center.
251Warning lamp lights. MESSAGE: EEPROM ERROR 251 - WARNING or 252 - WARNINGIndicates PCC memory error. Data corruption of noncritical operating parameters. Contact an authorized service center.
260Shutdown lamp lights. MESSAGE: CUSTOMER FAULT 1 260 - SHUTDOWN or GROUND FAULT 261 - SHUTDOWN
301HIGH AC VOLTAGEShutdown
303LOW AC VOLTAGEShutdown
313UNDER FREQUENCYShutdown
320OVERCURRENTWarning
322SHORT CIRCUITShutdown
330OVERLOADWarning
335REVERSE POWERShutdown
101Engine continues to operate at reduced RPM.
200LOW OIL PRESSUREShutdown
201Engine oil pressure has dropped below the shutdown trip point.Check oil level, lines and filters. If oil system is OK but oil level is low, replenish. Reset control and restart.
204Engine oil pressure sender is not functioning correctly.Check that the engine oil pressure sender is properly connected. Contact an authorized service center.
210Low Engine TempIndicates engine coolant heater is not operating or is not circulating coolant. Check for the following conditions: a. Coolant heater not connected to power supply. Check for blown fuse or disconnected heater cord and correct as required. b. Check for low coolant level and replenish if required. Look for possible coolant leakage points and repair as required. c. Contact an authorized service center if none of the above.
211High Coolant TempIndicates engine has begun to overheat and coolant temperature has risen to an unacceptable level: (215° F − standby / 207° F − primary).
260Warning lamp lights. MESSAGE: CUSTOMER FAULT 1
261Warning lamp lights. MESSAGE: GROUND FAULT
262Warning lamp lights. MESSAGE: RUPTURE BASIN
263Warning lamp lights. MESSAGE: HIGH GEN TEMP
301Shutdown lamp lights. MESSAGE: HIGH AC VOLTAGEIndicates that one or more of the phase voltages has exceeded 130% of nominal, or has exceeded 110% of nominal for 10 seconds. Contact an authorized service center.
303Shutdown lamp lights. MESSAGE: LOW AC VOLTAGEIndicates that one or more of the phase voltages has dropped below 85% of nominal for 10 seconds. Contact an authorized service center.
313Shutdown lamp lights. MESSAGE: UNDER FREQUENCYIndicates that engine speed has dropped below 90% of nominal for 10 seconds. NOTE: Five seconds before shutdown, a Load Dump signal is initiated. Contact an authorized service center.
320Warning lamp lights. MESSAGE: OVERCURRENTIndicates that generator output current has exceeded 110% of rated for 60 seconds. Contact an authorized service center.
321Shutdown lamp lights. MESSAGE: OVERCURRENTIndicates that generator output current has exceeded 110% of rated, and that a PCC time/current calculation has initiated an overcurrent shutdown. Contact an authorized service center.
322Shutdown lamp lights. MESSAGE: SHORT CIRCUITIndicates that generator output current has exceeded 175% of rated. Contact an authorized service center.
330Warning lamp lights. MESSAGE: OVERLOADIndicates that three-phase power output exceeds 105% of standby (or 115% of prime) rating. After five seconds, the Load Dump output is activated. After 60 seconds, the OVERLOAD warning is activated. Contact an authorized service center.
335Shutdown lamp lights. MESSAGE: REVERSE POWERIndicates improper CT or PT phasing. (Non-parallel units only.) Contact an authorized service center.
231Warning lamp lights.Indicates battery voltage exceeds 32 VDC. Contact an authorized service center.
250Shutdown lamp lights.Indicates PCC memory error. Data corruption of critical operating parameters. Contact an authorized service center.
102Engine shuts down and will not crank.Indicates local or remote Emergency Stop.To reset the local Emergency Stop button : Pull the button out or turn the switch clockwise (button with arrow) and allow it to pop out. Move the Run/Off/Auto switch to Off. Press the Reset switch. Select Run or Auto, as required.
121Speed Signal Lost
135Oil Pressure Sensor High
141Oil Pressure Sensor Low
143Pre-Low Oil Pressure Sensor
144Coolant Temperature Sensor High
145Coolant Temperature Sensor Low
146Pre-High Cool Temp
151High Coolant Temp
197Low Coolant Level
234Overspeed
235Low Coolant Level
359Fail to Start
415Low Oil Pressure
441Low Battery Voltage
442High Battery Voltage
1123Shutdown After Battle Short
1124Delayed Shutdown
1131Battle Short Active
1244Engine Normal Shutdown

Symptoms & remedies

SymptomCauseRemedy
Status Indicators are not functioning properlyCheck the status indicators and ensure they are correctly connected. Refer to the troubleshooting table for further assistance.
Line Circuit Breaker is tripped or malfunctioningReset the line circuit breaker if it has tripped. If the issue persists, refer to the troubleshooting table for further steps.
Control and diagnostics via network or PC are not workingEnsure that the network connection is stable and correct. Check the control panel settings and software compatibility. Refer to the troubleshooting table for specific issues.
Engine has shut down because of low oil pressureLow Oil PressureThis red lamp indicates the engine has shut down because of low oil pressure.
Engine has shut down because of excessive speedOverspeed ShutdownThis red lamp indicates the engine has shut down because of excessive speed.
Engine failed to startFail to StartThis red lamp indicates the engine failed to start.
Engine starts from generator control panel but will not start automatically or from a remote panel.(Note: The Run/Off/Auto switch must be in the Auto position for automatic or remote starting). Check the control wiring between the remote switch and the PCC. Contact an authorized service center.
No AC output voltage.Contact an authorized service center.
Control does not power up when the Run/Off/Auto switch is set to Run or the Self Test switch is pressed.There is no DC power to the control.A. Check for battery disconnected, discharged, or improperly connected. b. Fuse F1 (20A/32V, Type 3AG) may be open. Replace with the same type. (Fuse is mounted near engine starter/solenoid, see Figure 4-2). Contact an authorized service center.
Warning, Shutdown, and Non-Automatic lamps are not lit. Digital display shows main menu or selected menu.Indicates all engine systems are normal. No corrective action required
Non-Automatic lamp flashes.Indicates Run/Off/Auto switch is not in the Auto position. This will prevent automatic starting if an automatic transfer switch is used.Move the Run/Off/Auto switch to the Auto position for automatic operation.

Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.

Parts

130
Part #DescriptionQtySystem
0300-4623-10DFCC (600V)1Current transformer PartsGeek
0300-4623-27DFCC BR (0-480V)1Current transformer PartsGeek
122-0526Lube Filter (Former Style Used In Engine Manufacturing)1Oil filter PartsGeek
122-0755Lube & Bypass Filter (Latest Style Used In Engine Manufacturing)2Oil filter PartsGeek
130-3537CE 1 130-3541 3318318 CE 1 4 501-0551 1 5 503-1467-07 1 503-0189 2 505-0022 1 502-08271Coolant filter PartsGeek
130-3541CE 1 4 501-0551 1 5 503-1467-07 1 503-0189 2 505-0022 1 502-0827 1 6 503-1679-02 2 5031Coolant filter PartsGeek
140-2391Element - Air Cleaner (Standard)1Air filter PartsGeek
140-2392Element, Air Cleaner - Primary1Air filter PartsGeek
140-2393Element, Air Cleaner - Safety1Air filter PartsGeek
151-0411Pickup, Magnetic1Sensor PartsGeek
155-2287-02Gasket, Flange (used with 155-2281 Elbow)1Gasket PartsGeek
193-0244Sender, Oil Pressure (E1)1Sensor PartsGeek
193-0375# Sender, Water Temperature1Sensor PartsGeek
193-0432Sender, Oil Temperature (S2 Engine Block, E4 Oil Pan)2Sensor PartsGeek
1S0A713Bracket, Overspeed Switch1Bracket PartsGeek
1S0A717Switch Assy., Overspeed1Switch PartsGeek
204493Ring, Collector1Ring PartsGeek
2110153Bell, End - Alt, to Exciter1Bell PartsGeek
23201396Support, Gen. Mtg.1Support PartsGeek
232A1817Generator1Air filter PartsGeek
2340116Cover, Exciter1Cover PartsGeek
234070Rig Assy., Brush- Incl. Brushes, & Contact Point Band, Gen. - Front Portion(Narrow)1Band PartsGeek
2348115Bracket, Mtg. - Volt. Cont. Reactor1Bracket PartsGeek
234875Bracket, Gate Reactor Mtg.1Bracket PartsGeek
234C1343-Phase1Phase PartsGeek
234C1373-Phase1Phase PartsGeek
234C140Single Phase1Phase PartsGeek
234C141Single Phase1Phase PartsGeek
2I4AMBrush4Brush PartsGeek
302P412AMMETER, AC (CHECK SCALE - SELECT ACCORDING TO RATING) Scale 0-2501Ammeter PartsGeek
302P414AMMETER, AC (CHECK SCALE - SELECT ACCORDING TO RATING) Scale 0-500 (Qty. is 2 for I-Ph.)1Ammeter PartsGeek
302P465RUNNING-TIME METERS 120-240V (1PH)1Meter PartsGeek
302P466For 220/380-V, 3-Ph, 60-Cycle (Model H)1Meter PartsGeek
302P467For 277/480-V, 3-Ph, 60-Cycle1Meter PartsGeek
302P468For 120/208-V,120/240-V, & 347/600-V 3PH. 50 Cy!. (825-Ohm, 75-Watt)1Meter PartsGeek
302P469For 220/380-V, 3Ph. 50-Cycle1Meter PartsGeek
302P470For 277/480-V, 3-Ph, 50-Cyclo (5-P!)1Meter PartsGeek
304412515,000-Ohm, 25-W - For 220/380-V, 3-Phase, 4-Wire1Resistor PartsGeek
304A15S Washer, Fixed Resistor Cent. to Alternator End Bell2Washer PartsGeek
304PA76Resistor, Volt. Cont.Reactor (Incl.in Rect.& Resistor A: 305P218)1Resistor PartsGeek
3058227Resistor Assy., Rect, & Incl. (Incl.in Rect. & Resistor A: 305P218)4Resistor PartsGeek
305P233Rectifier Only, Power (Field) - Lower two - Negative (Begin Spec 'C' included in Rectifier & Reactor Assembly #305B227)2Rectifier PartsGeek
305P234Rectifier Assy., Power (Field) (Incl. in Rect. #305P218)2Rectifier PartsGeek
305P240Rectifier, Volt. Cont.Reactor (Incl.in Rect. & Resistor A: 305P218)4Rectifier PartsGeek
307-2621-02Relay, Start Solenoid (K4)1Relay PartsGeek
309-0179Switch, Thermostatic - High Coolant Temperature Shutdown1Sensor PartsGeek
309-0269Air Cleaner (Includes Element) - Standard1Sensor PartsGeek
319-2236Bracket, Mounting1Bracket PartsGeek
3320645Strip, Marker - Volt. Con. Reactor (9305P218)1Strip PartsGeek
333-0407Switch, Pressure - Oil, 14# PSI (SHUTDOWN) With Dual Terminals1Sensor PartsGeek
3ISA78Rectifier, Voltage Control1Rectifier PartsGeek
501-0551Line, Fuel - Flexible (Bypass line)1Hose PartsGeek
503-1467-07Hose, Rubber (3/4" ID x 33" LG) Radiator to Filter Housing1Hose PartsGeek
503-1679-02Hose, Rubber - Upper2Hose 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
505-1414-01Hose, Rubber - Lower2Hose PartsGeek
508-0292Washer, Sealing - Copper1Washer PartsGeek
511-0084130-3176-02 1 191-1926-02 70D44970S02 MO 1 3RG3032 MO 1 511-0156 2 LO 3318853 CE 1 121Belt PartsGeek
511-0160Belt, Drive - V (Fan)Belt PartsGeek
518-0548-58Clamp, Hose3Clamp PartsGeek
5208190Stud, Fixed Resistor Mtg.1Stud PartsGeek
526-0029*Washer, Flat (1/2")1Washer PartsGeek
800-0092Screw, Cap - Hex Head (1/2-13 x 1.5)2Screw PartsGeek
805-35Bolt, Place - Generator Mtg. Support to End Bell4Bolt PartsGeek
960-0504PCC Control Service Manual*Service manual PartsGeek
960-0507Detector Control Service Manual**Service manual PartsGeek
A9562-12 VOLT BATTERIES2Battery PartsGeek
B-342-3sPRIMING TURBOCHARGER OIL SUPPLY INLET LINE. DISCONNECT AT THIS POINT TO PRIMETurbocharger PartsGeek
CS-1382cINLET AIR DAMPERAir filter PartsGeek
DM-3010461Crankshaft Rear Seal - NT855, NTC8551Seal PartsGeek
ES-1214-2FLOAT SWITCHAir filter PartsGeek
FP-KS12622ANH/NT855 In-Frame Kit w/upper gasket set & oil pan gasket1Gasket PartsGeek
FP-KS12622CNH/NT855 In-Frame Kit w/upper gasket set & oil pan gasket1Gasket PartsGeek
FP-KS12622C7NH/NT855 In-Frame Kit w/upper gasket set & oil pan gasket1Gasket PartsGeek
FP-KS12622DNH/NT855 In-Frame Kit w/upper gasket set & oil pan gasket1Gasket PartsGeek
FS1803sFUEL FILTERSFuel filter PartsGeek
LF3000Lube, Spin-On1Oil filter Amazon eBay $104.99 PartsGeek
M-4024945Edge molded rubber head gaskets setGasket PartsGeek
102-1335Plug, Oil Drain1Service part / kit PartsGeek
232A1489Generator support shim, 0.598 in gauge #6, 3x32Service part / kit PartsGeek
232A1490Generator support shim, 0.359 in gauge #20, 3x32Service part / kit PartsGeek
301021151Box Only, control1Service part / kit PartsGeek
30118301Bracket, Cont.Box Mtg. (Repl. 2-Piece Brkts)1Service part / kit PartsGeek
301A1914Bracket, Panel Stop1Service part / kit PartsGeek
301A2727Handle , Control Box1Service part / kit PartsGeek
302-21360-Cycle1Service part / kit PartsGeek
302-234.Cycle1Service part / kit PartsGeek
3028448Plate, Mater Face1Service part / kit PartsGeek
302P411302P4121Service part / kit PartsGeek
302P415Scale Reads 0-750 (I-Phase Use 2)1Service part / kit PartsGeek
302P421AC VOLTAGE RESISTOR METERS 600V1Service part / kit PartsGeek
302P422302P4231Service part / kit PartsGeek
302P423AC VOLTAGE RESISTOR METERS 1000V1Service part / kit PartsGeek
303-111Rheostat, Volt. Reg. - 175-Ohm, (Model H)1Service part / kit PartsGeek
303-32Knob, Rheos1Service part / kit PartsGeek
304030545, 000-Ohm, 10-W - For 480-V , 3-Ph, 3-Wire & 277/480-V, 3+ Ph.1Service part / kit PartsGeek
308-22Switch, Meter Selector1Service part / kit PartsGeek FridayParts $47.99
309-0437505-0117 42 501-0520 43 501-0524 1-5 TABLE OF CONTENTS CONTROL SECTION GENERATOR SET CONTROL1Service part / kit PartsGeek
320823-Phase Models1Service part / kit PartsGeek
320B18Single Phase Models1Service part / kit PartsGeek
337A44Strap, Ground1Service part / kit PartsGeek
402-78Rubber, Mtg. - Cont. BOX to Mtg. Brkt.4Service part / kit PartsGeek
504-0011Valve, Shutoff (1/2”)1Service part / kit PartsGeek
505-0100Nipple, Pipe - Close (1/2”)1Service part / kit PartsGeek
526-0219Washer, Flat (1/2)2Service part / kit PartsGeek
800-0048Screw, Cap - Hex Head (3/8-16 x 3/4”)1Service part / kit PartsGeek
850-0050Washer, Lock - Spring (3/8”)4Service part / kit PartsGeek
870-0212Nut, Locking (1/4-20)4Service part / kit PartsGeek
903-0124NANAService part / kit PartsGeek
903-0204NANAService part / kit PartsGeek
903-0500NANAService part / kit PartsGeek
903-0604NANAService part / kit PartsGeek
960-0138Service part / kit PartsGeek
960-0606Service part / kit PartsGeek
EXS-1046sCONDENSATION TRAPService part / kit PartsGeek
FP-855PREMNH/NT855 Premium Cylinder Kits1Service part / kit PartsGeek
FP-855TTNT855 Premium 3-Ring Cylinder Kits1Service part / kit PartsGeek
FP-855TTDNNT855 Premium 3-Ring Cylinder Kits Dual-NI Pistons1Service part / kit PartsGeek
FP-855TTPNT855 Premium Plus 3-Ring Cylinder Kits1Service part / kit PartsGeek
FP-855TTPDNNT855 Premium Plus 3-Ring Cylinder Kits Dual-NI Pistons1Service part / kit PartsGeek
FP-IFK855NRNT855 Cylinder Kits w/ no piston rings1Service part / kit PartsGeek
FP-IFK855PREMNH/NT855 Premium Cylinder Kits1Service part / kit PartsGeek
FP-IFK855TTNT855 Premium 3-Ring Cylinder Kits1Service part / kit PartsGeek
FP-IFK855TTDNNT855 Premium 3-Ring Cylinder Kits Dual-NI Pistons1Service part / kit PartsGeek
FP-IFK855TTPNT855 Premium Plus 3-Ring Cylinder Kits1Service part / kit PartsGeek
FP-IFK855TTPDNNT855 Premium Plus 3-Ring Cylinder Kits Dual-NI Pistons1Service part / kit PartsGeek
FP-KS12621CNH/NT855 Cylinder Kit Std Head Gask Grommets1Service part / kit PartsGeek
FP-KS12621C7NH/NT855 Cylinder Kit .010 Head Gask Grommets1Service part / kit PartsGeek
FS1692sFUEL SOLENOID VALVE LOCATIONService part / kit PartsGeek
M-1808DC CONTROL WIRINGService 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

RatingLoadL/hgal/h
Prime
Prime25%29.07.6
Prime50%47.012.5
Prime75%65.017.3
Prime100%85.022.4
Standby
Standby25%30.08.0
Standby50%51.013.4
Standby75%72.019.0
Standby100%92.024.4

Available documents

Spec sheet — Cummins-350-DFCC-NTA855-G3 (Cummins/Onan)Spec sheet — Cummins-installation-manual-DFAA-DFAB-DFAC-DFBC-DFBF-DFBD-DFBE-DFBF-DFCB-DFCC-DFCE-DFEB-DFEC-DFED-DFFA-DFFB-DFGA-DFGB-DFGC-DFJA-DFJB-DFJC-DFJD-DFLA-DFLB-DFLC-DFLD-DFLE-DFMB-DQAA-DQAB-DQBA-DQBB (Cummins/Onan)Spec sheet — NT855 60HZ 281~350kw (Cummins/Onan)Operator's manual — 960-0173 Cummins DFBF DFCB DFCC DFCE Operator's Manual (2-2004) (Cummins/Onan)Reference — 9-3Parts manual — 0932-0112 Onan Post-Sale Literature Index (07-1998) (Cummins/Onan)Parts manual — 0960-0204 (Cummins/Onan)Parts manual — 0960-0219 I5 201402 (Cummins/Onan)Parts manual — 0960-0276 (Cummins/Onan)Parts manual — 0960-0294 I1 201712 (Cummins/Onan)Parts manual — 960-0276 Onan DFBF DFCB DFCC DFC# Parts Manual (10-1999) (Cummins/Onan)Service manual — 960-0101C Cummins DFBF DFCB DFCC DFCE DQBA DQBB Operators Manual (3-2001) (Cummins/Onan)Service manual — 960-0176 Cummins DFBF DFCB DFCC DFCE Operator's Manual (2-2004) (Cummins/Onan)Service manual — 960-0504 Onan DFxx series Generator Control Service Manual 04-1993 (Cummins/Onan)Service manual — 960-0507C Cummins DFAA thru DFMB DQAA Service Manual (2-2004) (Cummins/Onan)Service manual — 960-0519C Cummins DFAB DFB DFC DFG DFLC Series Service Manual (2-2004) (Cummins/Onan)Service manual — 960-0606 Cummins DFBF DFCB DFCC Installation Manual (1-2000) (Cummins/Onan)Service manual — 960-0619D Cummins DFA DFB DFC DFE DFF DFG DFJ DFL DFM DQA DQB Installation (6-2003) (Cummins/Onan)Service manual — 960-0631B Cummins DFAB DFAC DFBF DFCC DFCE Installation Manual (2-2004) (Cummins/Onan)Service manual — 960-0634C Cummins DFAB DFBF DFCB DFCC DFCE Installation Manual (2-2004) (Cummins/Onan)Service manual — Cummins-3100-PowerCommand-DFAA-DFAB-DFAC-DFBC-DFBD-DFBE-DFBF-DFCB-DFCC-DFCE-DFEB-DFEC-DFED-DFFA-DFFB-DFGA-DFGB-DFGC-DFJA-DFJB-DFJC-DFJD-DFLA-DFLB-DFLC-DFLD-DFLE-DFMB-DQAA-DQAB-DQBB (Cummins/Onan)Service manual — Detector Control Generator Set Service Manual (Cummins/Onan)