HomeCummins/OnanCummins/Onan QSL9

Cummins/Onan QSL9 Generator Set

The Cummins/Onan QSL9 is a 239 kW (320 kVA) standby generator set. It is available at 24 V, 50 Hz. It holds about 18.9 L (5.0 gal) of oil and 15 L (4.0 gal) of coolant, with a maximum ambient rating of 55 °C. The set measures 1624×1064×1463 mm (63.9×41.9×57.6 in) and weighs about 910 kg (2006 lb).

239 kW
Standby
18.9 L
Oil capacity
7
Document types

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

Specifications

Frequency50.0 Hz
Standby power239 kW
Standby kVA320
Prime power206 kW
EmissionsEPA Tier 4 Final @ 50 Hz and 60 Hz, EU Stage IIIA @ 50 Hz and 60 Hz
ControllerPowerCommand 1.1
Oil capacity18.9 L
Alternator70 amps
Voltage options24 V
Coolant capacity15.0 L
Max ambient55.0 °C
Dimensions (L×W×H)1624×1064×1463 mm
Dry weight708 kg

Filters & service parts

model family
ItemSpecCapacityPart #Interval
Fuel filter500 hr find
Oil filter500 hr find
Belt2000 hr find
Coolant filter500 hr find
Oil14500 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 is the power rating of the Cummins/Onan QSL9?

The Cummins/Onan QSL9 is rated 239 kW standby (320.0 kVA).

What alternator does the Cummins/Onan QSL9 use?

The Cummins/Onan QSL9 uses a 70 amps alternator.

Troubleshooting

1

Fault codes

CodeMeaning
251Unknown J1939 Fault

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

Parts

27model family
Part #DescriptionQtySystem
QSB6.7MotorEngine PartsGeek
3165033INLINE™5 datalink adapter1Service part / kit PartsGeek
3165143Storage Case1Service part / kit PartsGeek
3165159Datalink cable (DB25F 9-Pin Deutsch connector)1Service part / kit PartsGeek
3165160Datalink cable (DB25F 6-Pin Deutsch connector)1Service part / kit PartsGeek
3379000Air For Your EngineService part / kit PartsGeek
3379001Fuel for Cummins EnginesService part / kit PartsGeek
3387622Cold Weather OperationService part / kit PartsGeek
3666132Coolant Requirements and MaintenanceService part / kit PartsGeek
3666267ISC Wiring and Fault Code DiagramService part / kit PartsGeek
3666271Troubleshooting and Repair Manual, ISC, QSC8.3, ISL Electronic Control SystemService part / kit PartsGeek
3810340Cummins Engine Oil RecommendationsService part / kit PartsGeek
4021416Troubleshooting and Repair Manual, CM850 Electronic Control SystemService part / kit PartsGeek
4021418Troubleshooting and Repair Manual, ISC, QSC8.3, ISL and QSL9 EnginesService part / kit PartsGeek
4021428Operation and Maintenance Manual, ISC and ISL EnginesService part / kit PartsGeek
4918417INLINE™5 software compact disc1Service part / kit PartsGeek
4918418DB9F-DB9M serial cable1Service part / kit PartsGeek
49184191Service part / kit PartsGeek
4918436INLINE™4 and 5 Ruggedized protective boot1Service part / kit PartsGeek
K19-CP460 kWe1Service part / kit PartsGeek
K38-CP920 kWe1Service part / kit PartsGeek
K50-CP1240 kWe1Service part / kit PartsGeek
QSB4.5Service part / kit PartsGeek
QSF2.8Electronic, 49 - 74 hp (37 - 55 kW)Service part / kit PartsGeek
QSF3.8Service part / kit PartsGeek
QSG12Service part / kit PartsGeek
QSX15QSZ13*Service part / kit PartsGeek

Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Fuel consumption

RatingLoadL/hgal/h
Base100%66.017.4
Continuous25%17.04.5
Continuous50%31.08.2
Continuous75%46.012.1
Continuous100%50.013.3
Prime
Prime25%20.05.4
Prime50%38.010.0
Prime75%54.014.3
Prime100%73.019.3
Standby
Standby25%17.04.5
Standby50%31.08.2
Standby75%46.012.1
Standby100%62.016.3

Available documents

Engine spec — 0032276 (Cummins/Onan)Engine spec — 0032425 (Cummins/Onan)Spec sheet — 0042687Spec sheet — 0070371 (Cummins/Onan)Spec sheet — EMERS-5993-EN (Cummins/Onan)Spec sheet — QSL9-G2 (Cummins/Onan)Spec sheet — QSL9-G8 (Cummins/Onan)Operator's manual — 908-0137 Cummins QSL9G3 Engine Manual (12-2009) (Cummins/Onan)Reference — 0043090 (Cummins/Onan)Reference — 0058562Reference — 4081872 QuantumRecMarReference — 4081921 CommMarOwner's manual — 4324826 0219 (Cummins/Onan)Owner's manual — 4324827 0617 (Cummins/Onan)Service manual — 22834568 - QSC8.3 and QSL9 Engine OPS (Cummins/Onan)Service manual — ServiceInstructions5 (Cummins/Onan)warranty — 0032436 (Cummins/Onan)