HomeCummins/OnanCummins/Onan DEF

Cummins/Onan DEF Generator Set

The Cummins/Onan DEF is a 45 kW (56.25 kVA) Diesel (ASTM No. 2) standby generator set powered by a Ford 2713E engine. It is available at 120/240 V, 115/230 V, 120/208 V, 127/220 V, 139/240 V, 110/190 V, 115/200 V, 240/416 V, 254/440 V, 277/480 V, 220/380 V, 230/400 V and 347/600 V, 3-phase, 60 Hz and rated 90 A. It holds about 13.25 L (3.5 gal) of oil and 17 L (4.5 gal) of coolant. Starting uses 2 group-2 batteries at 6 V. The set measures 2032×838×1157 mm (80.0×33.0×45.6 in) and weighs about 985.2 kg (2172 lb).

45 kW
Standby
5.93 L
Displacement
13.25 L
Oil capacity
2
Document types

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

Specifications

FuelDiesel (ASTM No. 2)
Frequency60.0 Hz
Standby power45 kW
Standby kVA56
ControllerType UR Generator with voltage regulator
Oil capacity13.25 L
AlternatorCummins/Onan Type UR, 12-lead, 4-pole
Voltage options120/240 V, 115/230 V, 120/208 V, 127/220 V, 139/240 V, 110/190 V, 115/200 V, 240/416 V, 254/440 V, 277/480 V, 220/380 V, 230/400 V, 347/600 V
Phase3
Rated current90 A
Power factor0.8
Battery group2H
Battery voltage6 V
Battery quantity2
Coolant capacity17 L
Dimensions (L×W×H)2032×838×1157 mm
Dry weight985 kg

Engine

Ford 2713E
Oil capacity13.25 L
Coolant capacity17.0 L
Displacement5.93 L
AspirationNatural
Rated speed1800 rpm

Maintenance & consumables

for the Ford 2713E
ItemSpecCapacityPart #Interval
Fuel filterFuel filter find
Oil filterOil filter find
CoolantEngine coolant17.0 liters
OilEngine oil13.25 liters

Compatible filters for the Ford 2713E — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.

  • Fuel filter: Ford C2TZ9365A Ford 27019150B Donaldson P551167 Donaldson P556245 Ac Delco FF23
  • Oil filter: Ford 927A6731 Ford 785F6714AA3A Donaldson P550184 Donaldson P553315 Ac Delco AC20

Common questions

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

The Cummins/Onan DEF is rated 45 kW standby (56.25 kVA).

What engine does the Cummins/Onan DEF use?

The Cummins/Onan DEF is powered by the Ford 2713E engine.

What fuel does the Cummins/Onan DEF use?

The Cummins/Onan DEF runs on Diesel (ASTM No. 2).

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

The Ford 2713E engine in the Cummins/Onan DEF has an oil capacity of 13.25 liters.

What alternator does the Cummins/Onan DEF use?

The Cummins/Onan DEF uses a Cummins/Onan Type UR, 12-lead, 4-pole alternator.

Troubleshooting

9

Fault codes

CodeMeaningRemedy
*Low oil pressure shutdownLow oil pressure shutdown.Check— a.. Oil level. Replenish; if necessary. b. Sensor. Faulty sensor will shut down engine. c. Refer to engine service manual for troubleshooting guide for oil system.
*High engine temperature shutdownHigh engine temperature shutdown.Check— a. Coolant level. Replenish if necessary. b. City water cooled sets. Check water flow, valves, etc. c. Check sensor; check thermostat. d. Radiator model, check fan belts, radiator for obstructions, etc.
Overspeed shutdownEngine runs, shuts down and cranks for 75-seconds. Cranking cycle stops; fault lamp lights.4. Check fuel supply.
*Low oil pressure light ONLow oil pressure light ON. No shutdown.7. Disconnect wire at TB11-30. Light ON after relay reset. Replace engine monitor board.
*High engine temperature light ONHigh engine temperature light ON. No shutdown.8. Disconnect wire at TB11-31. Light ON after relay reset. Replace engine monitor board.

Symptoms & remedies

SymptomRemedy
Overcrank fault lamp lights and engine stops cranking after approximately 75-seconds.1. See engine service manual for troubleshooting.fuel system. After correcting fault, reset engine monitor relay by placing Run-Stop/Reset-Remote switch to Stop/Reset position, depressing Reset button, then to the required running position.
Engine runs, shuts down, cranks for 75-seconds, cranking cycle stops, overcrank light ON.2. Check fuel supply.
Engine stops cranking and fault lamp lights, after cranking approximately 75 seconds.See engine service manual for troubleshooting fuel system. After correcting problem, reset engine monitor relay by placing Run-Stop/Reset-Remote switch to Stop/Reset, then back to the required running position.
Fault lamp lights immediately after engine starts.Check for: Overspeed condition as engine starts.

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

Parts

72
Part #DescriptionQtySystem
140-1091Air Cleaner1Air filter PartsGeek
191-0665Charge Alternator with Regulator and Fan1Alternator PartsGeek
191-0725Alternator Belt Guard1Belt PartsGeek
191-0732Alternator Regulator1Alternator PartsGeek
191-0781Charge Alternator Pulley1Alternator PartsGeek
307-0628Stop Solenoid 12 Volt1Sensor PartsGeek FridayParts $94.00
503-0311Radiator Hose Clamp 2-1/8" x 1/2"3Hose PartsGeek
503-0354Air Cleaner Hose Clamp2Air filter PartsGeek
503-0365Radiator Hose Clamp 2-1/2" x 1/2"1Hose PartsGeek
503-0441Radiator Hose2Hose PartsGeek
503-0597Air Cleaner Hose1Hose PartsGeek
503-262Hose, Oil Drain48Hose PartsGeek
511-0084Charging Alternator Belt1Belt PartsGeek
130-0351Fan Guard - Left Hand1Service part / kit PartsGeek
130-0352Fan Guard - Right Hand1Service part / kit PartsGeek
130-0449Radiator Cap1Service part / kit PartsGeek
130-0605Fan Blade1Service part / kit PartsGeek
130-0713Radiator1Service part / kit PartsGeek
130B449130C3!3’23Service part / kit PartsGeek
130C351503A4415Service part / kit PartsGeek
150A638151?328429Service part / kit PartsGeek
15113286155C86431Service part / kit PartsGeek
155B917155A63334Service part / kit PartsGeek
191-0101Alternator Adjusting Bracket1Service part / kit PartsGeek
191-0619Alternator Heat Shield1Service part / kit PartsGeek
191-0786Alternator Mounting Bracket1Service part / kit PartsGeek
193AI08193A10441Service part / kit PartsGeek
232A1474Spacer2Service part / kit PartsGeek
232A1546Insulation2Service part / kit PartsGeek
232A1547Insulation2Service part / kit PartsGeek
301A1914508P631Service part / kit PartsGeek
302P406302P4081Service part / kit PartsGeek
302P411302P4121Service part / kit PartsGeek
302P422302P4231Service part / kit PartsGeek
306A162%06A19824Service part / kit PartsGeek
309BI0309A17943Service part / kit PartsGeek
336A475Cable1Service part / kit PartsGeek
338B237Harness1Service part / kit PartsGeek
338C316C!379338Service part / kit PartsGeek
3OIC181O301 C18141Service part / kit PartsGeek
40213190Mount1Service part / kit PartsGeek
402A10Service part / kit PartsGeek
402A12*Cu~2Service part / kit PartsGeek
402A253Mounting2Service part / kit PartsGeek
403A633*SPac er2Service part / kit PartsGeek
403B694Bracket1Service part / kit PartsGeek
403B695Bracket2Service part / kit PartsGeek
403C785Bracket1Service part / kit PartsGeek
403D697Chassis1Service part / kit PartsGeek
405C1378Panel1Service part / kit PartsGeek
405C1379Panel1Service part / kit PartsGeek
405C1383Panel2Service part / kit PartsGeek
405D1380Panel1Service part / kit PartsGeek
405D1381Panel1Service part / kit PartsGeek
405D1382Panel1Service part / kit PartsGeek
405D932Door1Service part / kit PartsGeek
406-2Knob1Service part / kit PartsGeek
406A88Catch1Service part / kit PartsGeek
406AI05Clamp4Service part / kit PartsGeek
416A446Cable1Service part / kit PartsGeek
504-0028Radiator Drain Valve1Service part / kit PartsGeek
504-28130C6059Service part / kit PartsGeek
504-30505A13546Service part / kit PartsGeek
505-203312A5839Service part / kit PartsGeek
801-241Service part / kit PartsGeek kuduparts $35.00
801-81*Screw2Service part / kit PartsGeek
870-68*Nut2Service part / kit PartsGeek
977-0220NANAService part / kit PartsGeek
B18201Service part / kit PartsGeek
B2986Cover1Service part / kit PartsGeek
C1809301D21151Service part / kit PartsGeek
C29841Service 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
Standby100%15.524.1

Available documents

Parts manual — 0932-0112 Onan Post-Sale Literature Index (07-1998) (Cummins/Onan)Parts manual — 977-0302 Onan DEF Parts Manual (3-1968) (Cummins/Onan)Service manual — 977-0307 Onan DEF Operator's and Parts Manual (12-1976) (Cummins/Onan)

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