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Home›Cummins/Onan›Cummins/Onan HDKAK

Cummins/Onan HDKAK Generator Set

The Cummins/Onan HDKAK is a 13.47 kW (8000 kVA) Diesel prime generator set. It is available at 120 V, 1-phase, 60 Hz and rated 50 A. It holds about 2.6 L (0.7 gal) of oil and 4 L (1.1 gal) of coolant. Starting uses battery rated 450 CCA at 12 V. The set measures 936×634.5×578.6 mm (36.9×25.0×22.8 in) and weighs about 191 kg (421 lb).

2.6 L
Oil capacity
4
Document types

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

Specifications

FuelDiesel
Frequency60.0 Hz
Prime power13 kW
ControllerGenerator, Integrated Microprocessor Based Engine
Oil capacity2.6 L
Voltage options120 V
Phase1
Rated current[50.0, 62.5, 66.7] A
Circuit breaker[30, 35] A
Battery cranking[450, 650] CCA
Battery voltage12 V
Coolant capacity4 L
Dimensions (L×W×H)936×634×578 mm
Dry weight191 kg

Maintenance & consumables

ItemSpecCapacityPart #Interval
Air filter—500 hr find
Fuel filter149-25138 hr Amazon eBay $36.95
Oil filterRefer to Section 5.1 on page 29 for the engine oil change schedule. Change oil more often in hot or dusty environments.—1000 hr find
Belt511-02356 hr Amazon eBay $10.00
CoolantFlush Coolant System—1000 hr
Coolant filter— find
OilAPI classified engine oils according to the following guidelines.—

Common questions

What fuel does the Cummins/Onan HDKAK use?

The Cummins/Onan HDKAK runs on Diesel.

Troubleshooting

11

Fault codes

CodeMeaning
Code 1Engine Over Temperature
Code 2Low Oil Pressure
Code 3Service Check
Code 4Over Crank
Code 12Over Voltage
Code 13Under Voltage
Code 14Over Frequency
Code 15Under Frequency
Code 19Governor Actuator
Code 22Governor Actuator Overload
Code 27Voltage Sense

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

Parts

29
Part #DescriptionQtySystem
0611-1236FC32 TS Wiring Diagram1Wiring diagram buy
122-0833Filter, Oil1Oil filter Amazon eBay $25.95
140-2897Element, Air Filter1Air filter Amazon eBay $22.95
147-0860Filter, Fuel for HDKAK and HDKAH (Beginning Spec N)1Fuel filter Amazon eBay $23.74
149-2513Filter, Fuel for HDKAK and HDKAH (Spec A-K)1Fuel filter Amazon eBay $36.95
511-0235Belt, Fan1Belt Amazon eBay $10.00
541-0530Installation of Auxiliary Fuel Pump Kit on Commercial HDKAJ, HDKAK Generator Set 1 (G300)Fuel pump buy
541-0531Installation of Remote Air Cleaner Kit on Commercial HDKAJ, HDKAK Generator Set 1 (G299)Air filter buy
A046Z961Thermostat1Thermostat buy
046-00259Tailpipe - 1-1/2 inch O.D.Service part / kit buy
0908-0110Health and Safety ManualService part / kit buy
0981-0161Operator Manual for Commercial Mobile Generator SetService part / kit buy
A043T620Recommended Spares List (RSL) for RV Generator Set (HDKAH)1Service part / kit buy
A043T622Recommended Spares List (RSL) for RV Generator Set (HDKAJ, HDKAK)1Service part / kit buy
A043T624Recommended Spares List (RSL) for RV Generator Set (HDKAT)Service part / kit buy
A043T632Recommended Spares List (RSL) for RV Generator Set (HDKAU)Service part / kit buy
A046L053Operator Manual for RV Generator SetService part / kit buy
A060Z227Maintenance KitService part / kit buy
RSL-498Recommended Spares List (RSL) for RV Generator Set (HDKAJ, Spec A)Service part / kit buy
RSL-499Recommended Spares List (RSL) for RV Generator Set (HDKAJ, Spec B)Service part / kit buy
RSL-500Recommended Spares List (RSL) for RV Generator Set (HDKAJ, Spec C)Service part / kit buy
RSL-501Recommended Spares List (RSL) for RV Generator Set (HDKAJ, Spec D)Service part / kit buy
RSL-502Recommended Spares List (RSL) for RV Generator Set (HDKAJ, Spec E)Service part / kit buy
RSL-503Recommended Spares List (RSL) for RV Generator Set (HDKAJ, Spec F)Service part / kit buy
RSL-504Recommended Spares List (RSL) for RV Generator Set (HDKAJ, Spec G)Service part / kit buy
RSL-505Recommended Spares List (RSL) for RV Generator Set (HDKAK, Spec B)Service part / kit buy
RSL-506Recommended Spares List (RSL) for RV Generator Set (HDKAK, Spec C)Service part / kit buy
RSL-507Recommended Spares List (RSL) for RV Generator Set (HDKAK, Spec D)Service part / kit buy
RSL-508Recommended Spares List (RSL) for RV Generator Set (HDKAK, Spec E)Service part / kit buy

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
Full-load106%0.963.63
Half-load (4000 w)53%0.490.185
No-load0.490.185

Available documents

Operator's manualReferenceParts manualService manual