HomeCummins/OnanCummins/Onan 3.3 KY

Cummins/Onan 3.3 KY Generator Set

The Cummins/Onan 3.3 KY is a 3300 kW (3300 kVA) Gasoline standby generator set. It is available at 230 V, 1-phase, 50 Hz and rated 30 A. It holds about 1.5 L (0.4 gal) of oil. Starting uses battery rated 450 CCA at 12 V. The set weighs about 84 kg (185 lb).

3300 kW
Standby
1.5 L
Oil capacity
3
Document types

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

Specifications

FuelGasoline
Frequency50.0 Hz
Standby power3300 kW
Prime power3300 kW
Oil capacity1.5 L
Voltage options230 V
Phase1
Rated current30 A
Battery cranking450 CCA
Battery voltage12 V
Dry weight84 kg

Maintenance & consumables

ItemSpecCapacityPart #Interval
Air filter150 hr find
Fuel filter450 hr find
Oil filter150 hr find
Belt find
Coolant250 hr
Oil1.6 quart15W4050 hr eBay $35.16

Common questions

What is the power rating of the Cummins/Onan 3.3 KY?

The Cummins/Onan 3.3 KY is rated 3300 kW standby.

What fuel does the Cummins/Onan 3.3 KY use?

The Cummins/Onan 3.3 KY runs on Gasoline.

Troubleshooting

8

Symptoms & remedies

SymptomRemedy
DizzinessGET OUT INTO THE FRESH AIR IMMEDIATELY. If symptoms persist, seek medical attention. Shut down the genset and do not operate it until it has been inspected and repaired.
Muscular TwitchingGET OUT INTO THE FRESH AIR IMMEDIATELY. If symptoms persist, seek medical attention. Shut down the genset and do not operate it until it has been inspected and repaired.
VomitingGET OUT INTO THE FRESH AIR IMMEDIATELY. If symptoms persist, seek medical attention. Shut down the genset and do not operate it until it has been inspected and repaired.
Weakness and SleepinessGET OUT INTO THE FRESH AIR IMMEDIATELY. If symptoms persist, seek medical attention. Shut down the genset and do not operate it until it has been inspected and repaired.
Inability to Think CoherentlyGET OUT INTO THE FRESH AIR IMMEDIATELY. If symptoms persist, seek medical attention. Shut down the genset and do not operate it until it has been inspected and repaired.
Generator output connections must be made by a qualified electricianMake generator output connections only by a qualified electrician in accordance with applicable codes.
The genset must not be connected to the public utility or any other source of electrical power.Do not connect the genset to the public utility or any other source of electrical power. Use an approved switching device to prevent interconnections.
Generator sets use substances that can cause health risksUse appropriate personal protective equipment when exposed to fuel, oil, coolant, wet batteries, grease, cleaning agents, or other substances. Use proper containers for transport, storage, and disposal of waste substances. Follow local regulations.

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

Parts

12
Part #DescriptionQtySystem
0148-1343vent filter1Vent filter buy
172082383.1L, 196.5g working capacity1Carbon canister buy
172082623.3L, 233.8g working capacity1Carbon canister buy
981-0159DNameplateNameplate buy
0500-3297-1STANDARD RIGID UNDERFLOOR MOUNTING KIT (403-3608)Service part / kit buy
0500-3297-2UNDERFLOOR BASE KIT (403-3630)Service part / kit buy
0500-3297-3SOFT UNDERFLOOR MOUNTING KIT (403-3670)Service part / kit buy
0611-1268-2RECONNECTION DIAGRAMSService part / kit buy
403-3608STANDARD RIGID UNDERFLOOR MOUNTING KITService part / kit buy
403-3630UNDERFLOOR BASE KITService part / kit buy
403-3670SOFT UNDERFLOOR MOUNTING KITService part / kit buy
981-1054SupplementService 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
1.10.29
50%1.70.44
100%2.70.71
Full load0.712.7
Half load0.481.8
No load0.291.1
Prime
Standby

Available documents

Installation manualOwner's manualService manual