HomeCummins/OnanCummins/Onan HDKCA

Cummins/Onan HDKCA Generator Set

The Cummins/Onan HDKCA is a Diesel generator set. It is available at 120 V, 1-phase, 60 Hz and rated 41.7 A. It holds about 5.6 L (1.5 gal) of oil and 6.2 L (1.6 gal) of coolant. Starting uses battery rated 475 CCA at 12 V. The set measures 1050×620×686 mm (41.3×24.4×27.0 in), weighs about 359 kg (791 lb) and produces 68 dBA at 3 m.

5.6 L
Oil capacity
3
Document types

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

Specifications

FuelDiesel
Frequency60.0 Hz
ControllerGenerator, Integrated Microprocessor Based Engine
Oil capacity5.6 L
Voltage options120 V, 240 V
Phase1
Rated current41.7 A
Power factor1.0
Circuit breaker45 A
Battery cranking475 CCA
Battery voltage12 V
Coolant capacity6.2 L
Dimensions (L×W×H)1050×620×686 mm
Dry weight359 kg
Sound level68.0 dBA @ 3 m
Tank runtime0.45 hr

Filters & service parts

model family
ItemSpecCapacityPart #Interval
Air filter3000 hr find
Fuel filter1500 hr find
Oil filter3000 hr find
Belt3000 hr find
Coolant6.21500 hr
Oil5.9250 hr

Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.

Common questions

What fuel does the Cummins/Onan HDKCA use?

The Cummins/Onan HDKCA runs on Diesel.

Troubleshooting

15

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
Code 29High Battery Voltage
Code 32Low Cranking Speed
Code 35Control Card Failure

Symptoms & remedies

SymptomRemedy
Generator voltage is deadlyDisable the automatic genset starting feature of an inverter-charger or other automatic starting device before servicing the genset. Generator electrical output connections must be made by a trained and experienced electrician in accordance with applicable codes. The genset must not be connected to the public utility or any other source of electrical power. An approved switching device must be used to prevent interconnections.

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

Parts

10
Part #DescriptionQtySystem
143-1769Air Filter Element1Air filter Amazon eBay
143-2058Oil Filter1Oil filter Amazon eBay
143-2069Fuel Filter1Fuel filter Amazon eBay
143-2078Coolant Filter1Coolant filter Amazon eBay
143-2095Belt1Belt Amazon eBay $509.87
143-2108Spark Plug1Spark plug Amazon eBay
500-4040OUTLINE DRAWINGOutline drawing buy
630-2676CONTROL SCHEMATICControl schematic buy
046-00259Tailpipe - 1-1/2 inch O.D.Service part / kit buy
981-05411Service 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-load4.541.2
Full-load100%3.84.54
Full_load100%3.00.78
Half-load1.820.48
Half_load50%2.00.54
No-load0.410.11
No_load1.20.33
Prime
Standby

Available documents

Installation manualParts manualService manual