HomeCummins/OnanCummins/Onan DFHD

Cummins/Onan DFHD Generator Set

The Cummins/Onan DFHD is a 860 kW Diesel standby generator set powered by a Cummins/Onan QST30 engine. It is available at 24 V, 50 Hz. It holds about 35 L (9.2 gal) of oil and 216 L (57.1 gal) of coolant. Starting uses 2 group-8 batteries rated 1400 CCA at 12 V. The set measures 7162×2438×3810 mm (282.0×96.0×150.0 in), weighs about 20982 kg (46257 lb) and produces 1400 dBA at 7 m. An integrated tank holds 262.6 L (69.4 gal). The same QST30 engine also powers generator sets from AKSA.

860 kW
Standby
30.5 L
Displacement
35.0 L
Oil capacity
3
Document types

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

Specifications

FuelDiesel
Frequency50.0 Hz
Standby power860 kW
Prime power780 kW
ControllerCascade, PCC 3100, PCC 3100 (PowerCommand), PowerCommand, PowerCommand 3100 (PCC)
Oil capacity35.0 L
Voltage options24 V
Battery group['8D']
Battery cranking1400 CCA
Battery voltage12 V
Battery quantity2
Coolant capacity216 L
Dimensions (L×W×H)7162×2438×3810 mm
Dry weight20982 kg
Sound level1400.0 dBA @ 7 m
Fuel tank262.6 L

Engine

Cummins/Onan QST30
Oil capacity1280.0 L
Coolant capacity216.0 L
Displacement30.5 L
AspirationTurbocharged

Maintenance & consumables

for the Cummins/Onan QST30
ItemSpecCapacityPart #Interval
Air filterCheck for dirty or plugged air filter and replace if necessary.2000 hr find
Fuel filterCheck for dirty fuel filter and replace if necessary.2000 hr find
Oil filterP8500 fuel pump (G-Drive)38251422000 hr buy
BeltST669250 hr buy
Coolant2000 hr
Coolant filterfilter250 hr find
Oil2.6 l2000 hr

Common questions

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

The Cummins/Onan DFHD is rated 860 kW standby.

What engine does the Cummins/Onan DFHD use?

The Cummins/Onan DFHD is powered by the Cummins/Onan QST30 engine.

What fuel does the Cummins/Onan DFHD use?

The Cummins/Onan DFHD runs on Diesel.

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

The Cummins/Onan QST30 engine in the Cummins/Onan DFHD has an oil capacity of 1280.0 liters.

Troubleshooting

13

Fault codes

CodeMeaningCauseRemedy
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. MESSAGE: FAIL TO CRANK 221 − SHUTDOWNA. 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 will not crank. MESSAGE: OVERCRANK 222 − SHUTDOWNA. 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 − SHUTDOWNContact an authorized service center.
230Warning lamp lights. MESSAGE: LOW DC VOLTAGE 230 − WARNINGA. 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 − WARNINGContact an authorized service center.
232Warning lamp lights. MESSAGE: WEAK BATTERY 232 − WARNINGDischarged or defective battery. See Warning message 230, LOW DC VOLTAGE.
240Warning lamp lights. MESSAGE: LOW FUEL DAY 240 − WARNINGCheck fuel supply and replenish as required.
241Warning lamp lights. MESSAGE: LOW FUEL 241 − WARNINGCheck 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.
FAIL TO CRANK 221 - SHUTDOWNShutdown lamp lights. Engine will not crank. MESSAGE: FAIL TO CRANK 221 − SHUTDOWNA. 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.
OVERCRANK 222Shutdown lamp lights. Engine stops cranking. MESSAGE: OVERCRANK 222 − SHUTDOWNA. 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.

Symptoms & remedies

SymptomRemedy
Shutdown lamp lights.Check coolant level and replenish if low. Look for possible coolant leakage points and repair if necessary.

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

Parts

250
Part #DescriptionQtySystem
08a00029Drive Belt, Cooling FanBelt buy
100-025-001BATTERY GROUP SIZE 61Battery eBay
100-027-001OIL FILTER1Oil filter hdturbo $2399.00
100-028-001FUEL FILTER1Fuel filter buy
100-029-001AIR FILTER1Air filter hdturbo $2299.00
100-030-001COOLANT FILTER1Coolant filter buy
100-031-001BELT2Belt buy
100-032-001SPARK PLUG4Spark plug buy
1004193Lube, Cartridge1Oil filter Amazon eBay $89.08
10041937Hydraulic1Hydraulic filter Amazon eBay $41.27
1007973Air1Air filter Amazon eBay $29.98
1014120Lube, Spin-OnOil filter Amazon eBay $89.00
1076751M1Water, Spin-OnCoolant filter Amazon eBay $53.73
110331287Air, PrimaryAir filter Amazon eBay $136.62
110337797Air, SecondaryAir filter Amazon eBay $28.61
110337854Air, SecondaryAir filter Amazon eBay $37.72
11033838AirAir filter Amazon eBay $128.99
110338381AirAir filter Amazon eBay $128.99
11110175Air, Primary Magnum RSAir filter Amazon eBay $65.00
11110176Air, Secondary Magnum RSAir filter Amazon eBay $68.69
11281524Hydraulic, Cartridge1Hydraulic filter Amazon eBay $22.75
1132848Air, Primary1Air filter Amazon eBay $109.95
1160024Lube, Spin-OnOil filter Amazon eBay $53.49
1160243Fuel, User Friendly VersionFuel filter Amazon eBay $89.96
1173430Lube, Spin-On1Oil filter Amazon eBay $30.00
1173765Lube, Spin-On1Oil filter Amazon eBay $1.09
1174418LubeOil filter Amazon eBay $26.99
1174420Lube1Oil filter Amazon eBay $40.00
1174421Lube, Spin-On1Oil filter Amazon eBay $171.00
1174422Fuel, Spin-On1Fuel filter Amazon eBay $24.75
1174423Fuel, User Friendly Version1Fuel filter Amazon eBay $89.96
1174482Fuel, Secondary1Fuel filter Amazon eBay $23.99
1174483FuelFuel filter Amazon eBay $64.90
1180597Fuel, Spin-On1Fuel filter Amazon eBay $89.96
119962280Lube, By-Pass Spin-OnOil filter Amazon eBay $24.00
119980084LubeOil filter Amazon eBay $39.92
119990661FuelFuel filter Amazon eBay $26.50
1205001Lube, Full-Flow Spin-OnOil filter Amazon eBay $19.49
1220185Lube, Full-Flow Spin-On1Oil filter Amazon eBay $24.99
12455035110LubeOil filter Amazon eBay $20.63
12455055700FuelFuel filter Amazon eBay $11.89
12919HydraulicHydraulic filter Amazon eBay $26.00
1300930Hydraulic, Cartridge1Hydraulic filter Amazon eBay $59.95
1335673Fuel, Spin-OnFuel filter Amazon eBay $24.99
13800007Drive Belt, AlternatorBelt buy
139097Fuel, CartridgeFuel filter Amazon eBay $41.90
14213938Lube, Spin-On1Oil filter Amazon eBay $22.85
142139385Lube2Oil filter Amazon eBay $22.85
14213939Fuel, User Friendly VersionFuel filter Amazon eBay $12.97
142139393Fuel, User Friendly VersionFuel filter Amazon eBay $24.75
14268262Hydraulic1Hydraulic filter Amazon eBay $37.83
142682624HydraulicHydraulic filter Amazon eBay $35.06
143403566Hydraulic, CartridgeHydraulic filter Amazon eBay $35.06
14589AirAir filter Amazon eBay $139.99
156071560Lube, By-PassOil filter Amazon eBay $19.01
164159SBService GasketGasket buy
1695007Lube, By-Pass CartridgeOil filter Amazon eBay $31.49
16998304Water, Spin-OnCoolant filter Amazon eBay $16.75
173174Lube, CartridgeOil filter Amazon eBay $124.95
173368SService GasketGasket buy
18311122Fuel, CartridgeFuel filter Amazon eBay
1902138FuelFuel filter Amazon eBay $17.00
1903785Lube, CombinationOil filter Amazon eBay $400.00
1909101Lube, Spin-On1Oil filter Amazon eBay $45.00
19200074Engine Harness Adaptor CableEngine harness adaptor cable buy
19a00292Engine Speed SensorEngine speed sensor buy
19a00295Fuel Shut-Off ValveFuel shut off valve buy
19a00296Rack Position Actuator (integral to the RP39 fuel pump)Rack position actuator buy
19a00297Meter DriversMeter drivers buy
19a00Z25Fuel Pump Rack Actuator ValveFuel pump rack actuator valve buy
1P2299Fuel, CartridgeFuel filter Amazon eBay $19.72
1R0739Lube, Spin-OnOil filter Amazon eBay $49.90
1R0740Fuel, Spin-OnFuel filter Amazon eBay $30.99
1R0749Fuel, Spin-OnFuel filter Amazon eBay $57.96
1R0751Fuel, Spin-OnFuel filter Amazon eBay $40.00
1R0762FuelFuel filter Amazon eBay $30.00
1R1807LubeOil filter Amazon eBay $31.23
1R1808LubeOil filter Amazon eBay $153.00
2017789Hydraulic, Spin-OnHydraulic filter Amazon eBay $14.89
2165039AirAir filter Amazon eBay $51.50
2165059Air, Primary1Air filter Amazon eBay $78.99
2179784Lube, CartridgeOil filter Amazon eBay $29.26
2339823AirAir filter Amazon eBay $88.99
234011080FuelFuel filter Amazon eBay $19.72
2390702LubeOil filter Amazon eBay $26.22
246085Lube1Oil filter Amazon eBay $150.00
26540110Lube, Full FlowOil filter Amazon eBay $8.46
26540132Lube, Full FlowOil filter Amazon eBay $18.00
2654408Lube, Spin-OnOil filter Amazon eBay $19.70
26560090Lube, Full FlowOil filter Amazon eBay $19.48
266787Air, Primary1Air filter Amazon eBay $59.99
267953Air, Secondary1Air filter Amazon eBay $36.99
26815AirAir filter Amazon eBay $15.56
27407AirAir filter Amazon eBay $17.99
279245Air, Secondary1Air filter Amazon eBay $14.99
28043CoolantCoolant filter Amazon eBay $4.95
28930LubeOil filter Amazon eBay $9.29
29461Lube, Full-Flow Spin-OnOil filter Amazon eBay $22.79
29462Fuel, Spin-OnFuel filter Amazon eBay $22.94
29463Fuel, Spin-OnFuel filter Amazon eBay $19.89
30098LubeOil filter Amazon eBay $8.96
303506819Lube1Oil filter Amazon eBay $64.75
3044713AirAir filter Amazon eBay $12.95
3214300100Compressor AirAir filter Amazon eBay $90.09
3214300300Air, PrimaryAir filter Amazon eBay $28.00
3214300800Air, PrimaryAir filter Amazon eBay $102.44
3214303600Air, PrimaryAir filter Amazon eBay $119.60
3214304100Air, PrimaryAir filter Amazon eBay $39.95
3214305300Air, SecondaryAir filter Amazon eBay $17.00
3214306500Air, SecondaryAir filter Amazon eBay $18.97
3214306800Air, PrimaryAir filter Amazon eBay $202.90
3214308700Compressor AirAir filter Amazon eBay $78.89
3290851Fuel, CartridgeFuel filter Amazon eBay $8.00
3304232Lube, By-Pass Spin-OnOil filter Amazon eBay $154.50
3308638Fuel/Water Sep Spin-On1Fuel filter Amazon eBay $99.01
3312097SService Gasket1Gasket buy
3313281Lube, Full-Flow Spin-OnOil filter Amazon eBay $39.84
3315116Water, Spin-OnCoolant filter Amazon eBay $48.00
3318853Lube, Spin-On1Oil filter Amazon eBay $48.95
3375049Oil filter wrench1Oil filter buy
3376807Water/Fuel Filter Wrench1Fuel filter buy
3377193Battery tester1Battery tester buy
3388840M2Cab Air1Air filter Amazon eBay $64.95
3607790M1Hydraulic1Hydraulic filter Amazon eBay $87.65
3621009M1FuelFuel filter Amazon eBay $14.90
3632350M1Air, SecondaryAir filter Amazon eBay
3633059M1Lube, Full-Flow Spin-OnOil filter Amazon eBay FridayParts $72.89
3702815M1Fuel, Cartridge1Fuel filter Amazon eBay $15.99
3757038M2Lube1Oil filter Amazon eBay $31.30
3822524Belt Tension Gauge (Click-Type)1Belt buy
3822525Belt Tension Gauge (Click-Type)1Belt buy
3875827Lube, Full-Flow Spin-OnOil filter Amazon eBay $22.23
3901475M1Relevage / Lift Kraftheber1Air filter Amazon eBay $64.99
3901476M1Relevage / Lift Kraftheber1Air filter Amazon eBay $66.42
3901477M1Relevage / Lift Kraftheber1Air filter Amazon eBay $58.45
3901478M1Relevage / Lift Kraftheber1Air filter Amazon eBay $46.89
3902287M1Hydraulic, Cartridge1Hydraulic filter Amazon eBay $65.00
3902782M1Air1Air filter Amazon eBay
3903224Lube, Full-Flow Spin-OnOil filter Amazon eBay $19.95
3903640Fuel, Spin-OnFuel filter Amazon eBay $10.33
3919562Fuel Coalescer1Fuel filter Amazon eBay $57.23
3925274Fuel/Water Sep Spin-OnFuel filter Amazon eBay $14.39
3937345Lube, Spin-On1Oil filter Amazon eBay $10.90
3991498Fuel/Water Separator1Fuel filter Amazon eBay $17.00
4024223Fuel/Water Sep. Cart.Fuel filter Amazon eBay $41.00
4024232Fuel, CartridgeFuel filter Amazon eBay $23.20
4035556Lube, Spin-On LF739Oil filter Amazon eBay $18.00
4037047Lube, Spin-OnOil filter Amazon eBay $35.39
4055533Fuel, CartridgeFuel filter Amazon eBay $13.69
4059263Lube, By-PassOil filter Amazon eBay $105.25
4144966Air, Secondary1Air filter Amazon eBay $120.10
4197591AHydraulicHydraulic filter Amazon eBay $46.65
4198305ALubeOil filter Amazon eBay $32.99
4271467M1Air, Primary Magnum RS1Air filter Amazon eBay $49.95
4271468M1Air, Secondary Magnum RS1Air filter Amazon eBay $39.95
42919HydraulicHydraulic filter Amazon eBay $4.00
4305722HydraulicHydraulic filter Amazon eBay $31.45
4319256Air, SecondaryAir filter Amazon eBay $39.99
4319257Air, PrimaryAir filter Amazon eBay $132.76
4357147Lube, By-Pass LF506Oil filter Amazon eBay $12.00
4490296Fuel, CartridgeFuel filter Amazon eBay $13.20
4502495Lube, CartridgeOil filter Amazon eBay $5.25
4613117Lube, Full FlowOil filter Amazon eBay $9.76
466634LubeOil filter Amazon eBay $10.00
4666343Lube, Full-Flow Spin-OnOil filter Amazon eBay $10.00
466987FuelFuel filter Amazon eBay $11.52
4669875Fuel, Spin-OnFuel filter Amazon eBay $30.00
4710349LubeOil filter Amazon eBay $69.00
477556LubeOil filter Amazon eBay $68.76
4775565LubeOil filter Amazon eBay $62.00
47859749LubeOil filter Amazon eBay $52.95
48458Fuel, CartridgeFuel filter Amazon eBay $12.78
48495Lube, Spin-OnOil filter Amazon eBay $42.75
4897898Lube1Oil filter Amazon eBay $24.95
4900294Oil Pressure SensorOil pressure sensor buy
492932Lube, Spin-OnOil filter Amazon eBay $9.75
49400355Common Warning CircuitCommon warning circuit buy
49400356Sleeve Position Activator (integral to the RP39 fuel pump)Sleeve position activator buy
49400361Common Alarm CircuitCommon alarm circuit buy
49931583Air1Air filter Amazon eBay $14.00
5016603M1Air1Air filter Amazon eBay $135.82
5016604M1Air1Air filter Amazon eBay $44.62
516180FuelFuel filter Amazon eBay $15.86
5205002Lube, Full-Flow Spin-OnOil filter Amazon eBay $24.95
5573013Lube, Full-FlowOil filter Amazon eBay $14.80
5878100500FuelFuel filter Amazon eBay $17.99
600377Lube, By-PassOil filter Amazon eBay $756.00
600393FuelFuel filter Amazon eBay $8.50
600709CoolantCoolant filter Amazon eBay $54.99
600717LubeOil filter Amazon eBay $59.39
600776Lube, By-Pass CartridgeOil filter Amazon eBay $19.95
602728Service GasketGasket buy
602736Service GasketGasket buy
603503LubeOil filter Amazon eBay $8.99
604208Lube, Full-Flow Spin-OnOil filter Amazon eBay $27.89
607071Lube, By-PassOil filter Amazon eBay $14.95
608990LubeOil filter Amazon eBay $9.89
609374Air, SecondaryAir filter Amazon eBay $12.99
609431Hydraulic, Spin-OnHydraulic filter Amazon eBay $41.99
609666Hydraulic, Spin-OnHydraulic filter Amazon eBay $24.99
609934Hydraulic, Spin-OnHydraulic filter Amazon eBay $41.44
610114Hydraulic, Spin-OnHydraulic filter Amazon eBay $18.00
640780Hydraulic, CartridgeHydraulic filter Amazon eBay $17.50
658126Lube, Full-FlowOil filter Amazon eBay $284.00
663856Air, PrimaryAir filter Amazon eBay $167.50
669434Hydraulic, CartridgeHydraulic filter Amazon eBay $46.19
6I2503Air, Magnum RS1Air filter Amazon eBay $21.00
6N7617Fuel/Water Sep. Cart.Fuel filter Amazon eBay $19.50
70013736Fuel, Secondary1Fuel filter Amazon eBay $668.19
700266HydraulicHydraulic filter Amazon eBay $88.06
700274Air, SecondaryAir filter Amazon eBay $34.79
700282Air, PrimaryAir filter Amazon eBay $27.00
70048068Fuel, Secondary1Fuel filter Amazon eBay $20.99
70059897Fuel, PrimaryFuel filter Amazon eBay $19.99
70059898Fuel, SecondaryFuel filter Amazon eBay $19.99
700723604Hydraulic1Hydraulic filter Amazon eBay $39.99
70079170HydraulicHydraulic filter Amazon eBay $28.03
70090824Lube, Full Flow1Oil filter Amazon eBay $26.95
70091540Lube, By-Pass Cartridge LF500Oil filter Amazon eBay $5.00
70098441HydraulicHydraulic filter Amazon eBay
701165Air, PrimaryAir filter Amazon eBay $819.00
701734HydraulicHydraulic filter Amazon eBay $21.95
70185128AirAir filter Amazon eBay $160.22
70185824Air1Air filter Amazon eBay $98.99
70197588Air, SecondaryAir filter Amazon eBay $96.00
70197878HydraulicHydraulic filter Amazon eBay $31.17
70204912Lube, By-Pass1Oil filter Amazon eBay $26.53
70235449AirAir filter Amazon eBay $6.99
70235863Air1Air filter Amazon eBay $5.00
70237000Lube, Spin-On1Oil filter Amazon eBay $11.70
70237395AirAir filter Amazon eBay $37.99
70239518AirAir filter Amazon eBay $19.99
70239930Lube1Oil filter Amazon eBay $32.72
70240912Lube, Spin-On1Oil filter Amazon eBay $36.99
70243163AirAir filter Amazon eBay $28.50
70244728Air1Air filter Amazon eBay $74.04
702455Air, PrimaryAir filter Amazon eBay $15.95
70246085LubeOil filter Amazon eBay $18.85
702463Air, SecondaryAir filter Amazon eBay $2.25
70248399Hydraulic1Hydraulic filter Amazon eBay $25.65
70251397Fuel, CartridgeFuel filter Amazon eBay $12.99
70257024Air, PrimaryAir filter Amazon eBay $64.99
70257029Air, SecondaryAir filter Amazon eBay $29.00
70257597AirAir filter Amazon eBay $39.99
70259793Air, SecondaryAir filter Amazon eBay $78.79
70263434Air, PrimaryAir filter Amazon eBay $125.99
70263435Air, SecondaryAir filter Amazon eBay $67.00
70264113Air, SecondaryAir filter Amazon eBay $54.49
70264114Air, PrimaryAir filter Amazon eBay $54.49
70264115Air, Primary1Air filter Amazon eBay $50.95

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
Prime100%
Standby
Standby75%

Available documents

Spec sheetParts manualService manual