HomeCummins/OnanCummins/Onan QSV91

Cummins/Onan QSV91 Generator Set

The Cummins/Onan QSV91 is a 1750 kW Natural Gas standby generator set powered by a Cummins/Onan QSV91 series engine.

1750 kW
Standby
91.6 L
Displacement
3
Document types

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

Specifications

FuelNatural Gas
Standby power1750 kW
Prime power1750 kW

Engine

Cummins/Onan QSV91 series
Displacement91.6 L
Aspirationturbocharged low temperature aftercooled

Filters & service parts

model family
ItemSpecCapacityPart #Interval
Air filter find
Fuel filter find
Oil filter find
Belt find
Coolant
Coolant filter find
OilSAE40 (mono-grade) NG engine oils, such as Valvoline® Premium Blue GEO LA or its equivalent. The use of the ‘Premium Grade – Long Change Interval’ oils are strongly recommended.

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 QSV91?

The Cummins/Onan QSV91 is rated 1750 kW standby.

What engine does the Cummins/Onan QSV91 use?

The Cummins/Onan QSV91 is powered by the Cummins/Onan QSV91 series engine.

What fuel does the Cummins/Onan QSV91 use?

The Cummins/Onan QSV91 runs on Natural Gas.

Troubleshooting

7

Fault codes

CodeMeaning
121Speed Signal Lost (Loss of Speed Sense)
234Overspeed
1433Local Emergency Stop
1434Remote Emergency Stop
2335Excitation Fault (Loss of Voltage Sense)
1416Fail to Shutdown
1123Shutdown After Battle Short

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

Parts

3
Part #DescriptionQtySystem
QSK60GEngine model QSK60GEngine PartsGeek
QSV91Engine model for C2000 N5C generator setsEngine PartsGeek
QSV91GEngine model QSV91G1Engine PartsGeek

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
Prime
Standby

Available documents

Spec sheet — F-1414-LeanBurnGensets-en (Cummins/Onan)Spec sheet — F-1578-American-enReference — 0057388Reference — 0064122Reference — 201805 - Cummins PowerHour -Lean Burn Natural Gas Generator Sets in Standby-Peak ShavingReference — 4 April 2018 - Nigeria bottling company case study-15.11.17-15.46Reference — EMEASB-5520-ENReference — F-1628-WTCBrazil-enReference — Schedule Technical2012 (Cummins/Onan)Service manual — 908-0209 Cummins QSK60G QSV91 Engine Manual (3-2016) (Cummins/Onan)