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Cummins/Onan HDCAA Generator Set

The Cummins/Onan HDCAA is a Diesel generator set. It is available at 120 V, 1-phase, 60 Hz and rated 83.3 A. It holds about 6.3 L (1.7 gal) of oil and 5.8 L (1.5 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 300 kg (661 lb) and produces 68 dBA at 3 m.

6.3 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 capacity6.3 L
Voltage options120 V, 240 V
Phase1
Rated current[83.3, 41.7] A
Circuit breaker[45] A
Battery cranking[475, 650] CCA
Battery voltage12 V
Coolant capacity5.8 L
Dimensions (L×W×H)1050×620×686 mm
Dry weight300 kg
Sound level68.0 dBA @ [3, 15] m

Filters & service parts

model family
ItemSpecCapacityPart #Interval
Air filter—5000 hr find
Fuel filter—1000 hr find
Oil filter—5000 hr find
Belt—5000 hr find
Coolant6.1 liters—24000 hr
Coolant filter— find
Oil8.0 quarts—25 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 HDCAA use?

The Cummins/Onan HDCAA runs on Diesel.

Troubleshooting

1

Symptoms & remedies

SymptomRemedy
Generator voltage is deadGenerator 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

2
Part #DescriptionQtySystem
F1-15AControl Circuit Fuse1Fuse buy
F2-15AStarter Circuit Fuse1Fuse 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-load5.031.33
Full-load100%5.031.1
Half-load2.340.62
Half-load50%2.340.62
No-load0.410.11
No-load0.41
Prime
Standby

Available documents

Installation manualParts manualService manual