HomeCummins/OnanCummins/Onan 30DEC

Cummins/Onan 30DEC Generator Set

The Cummins/Onan 30DEC is a 30 kW diesel standby generator set powered by a Ford C3PX6005A engine. It operates at 60 Hz. It holds about 7.66 L (2.0 gal) of oil and 16.08 L (4.2 gal) of coolant.

30 kW
Standby
3.6 L
Displacement
7.66 L
Oil capacity
1
Document types

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

Specifications

Fueldiesel
Frequency60.0 Hz
Standby power30 kW
Oil capacity7.66 L
Battery voltage12 V
Battery quantity2
Coolant capacity16.08 L

Engine

Ford C3PX6005A
Oil capacity7.66 L
Coolant capacity16.08 L
Displacement3.6 L
Rated speed1800 rpm

Maintenance & consumables

for the Ford C3PX6005A
ItemSpecCapacityPart #Interval
Air filter50 hr find
Fuel filter200 hr find
Oil filter200 hr find
Belt100 hr find
OilSAE type DS8.1 qt200 hr

Common questions

What is the power rating of the Cummins/Onan 30DEC?

The Cummins/Onan 30DEC is rated 30 kW standby.

What engine does the Cummins/Onan 30DEC use?

The Cummins/Onan 30DEC is powered by the Ford C3PX6005A engine.

What fuel does the Cummins/Onan 30DEC use?

The Cummins/Onan 30DEC runs on diesel.

What is the oil capacity of the Cummins/Onan 30DEC?

The Ford C3PX6005A engine in the Cummins/Onan 30DEC has an oil capacity of 7.66 liters.

Parts

36
Part #DescriptionQtySystem
102P532Gasket, Oil Drain1Gasket PartsGeek
140B62Cleaner, Air1Air filter PartsGeek
149A987Pump, Fuel - Elec. - Spec A only1Pump PartsGeek
149C823Filter, Fuel - Primary1Fuel filter PartsGeek
149C988Line, Fuel - Primary to Sec. Filter1Hose PartsGeek
149P846Cartridge, Fuel Filter1Fuel filter PartsGeek
150A717Switch Assembly, Overspeed - Rotating Member (Begin Spec "J").1Sensor PartsGeek
155A633Tube, Exh. Flexible1Hose PartsGeek
185-112Gasket, Exhaust Tube1Gasket PartsGeek
191-543Alternator, Charge - Begin Spec B1Alternator PartsGeek
193A104Element, Water Temp.1Sensor PartsGeek
193A108Element, Oil Pressure1Sensor PartsGeek
309A179Switch, Water Hi Temp.1Sensor PartsGeek
309B10Switch, Low Oil Pressure1Sensor PartsGeek
309P29Thermostat, Heater Cont.1Thermostat PartsGeek
501A88Line, Fuel Return (28'')1Hose PartsGeek
501A89Line, Fuel Supply (39'')1Hose PartsGeek
503-110Hose (1/2 I.D. x 27/32'' O.D. x 12'') (Bulk #503-110)Hose PartsGeek
503-183Hose (5/8'' I.D. x 61/64'' O.D. x 16'') (Bulk #503P386)2Hose PartsGeek
503-482Hose, Air Clnr. To Connector1Hose PartsGeek
503-483Hose, Breather1Hose PartsGeek
503-484Hose, Oil Drain1Hose PartsGeek
503A3Hose (1-1/2'' I.D. x 1-7/8'' O.D. x 2-1/2'')2Hose PartsGeek
503A441Hose, Upper - Rad.1Hose PartsGeek
503B455Hose, Air Clnr. Connector to Manifold1Hose PartsGeek
503P191Hose (3/4'' I.D. x 1-1/8'' O.D. x 13'') (Bulk #503P191)Hose PartsGeek
503P386Hose (5/8'' I.D. x 61/64'' x 20'') (Bulk #503P386)Hose PartsGeek
503P439Hose, Lower - Rad.1Hose PartsGeek
511P79Belt, Chg. Alt. - Begin Spec B1Belt PartsGeek
130B449Cap, Radiator1Service part / kit PartsGeek
130D601Radiator1Service part / kit PartsGeek
214A56Brush4Service part / kit PartsGeek
305P208Rectifier, Reg. Control4Service part / kit PartsGeek
305P239Rectifier Only, Power (Field)4Service part / kit PartsGeek
307B565Valve, Fuel Sol. Spec. A only1Service part / kit PartsGeek
307P182Valve, Sol. - 12-Volt.1Service 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.

Available documents

Operator's manual — 976-0301 Onan DEC Operator's and Parts Manual (11-1966) (Cummins/Onan)

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