Haifeng Machinery

Cummins QSL9G4

Cummins QSL9G4 generator-drive diesel engine discovered in the GenProBase public selector. GenProBase lists 2 row(s) across 50Hz, 60Hz with 8.8 L displacement, 6L cylinders, liquid-cooled cooling, and U.S. EPA Tier 3 / EU Stage IIIA / China III emissions labeling. Treat this row as source-discovered and prioritize OEM datasheet attachment in a follow-up pass.

Production StatusIn Production

QSL Series

Representative Cummins engine
Electrical output 50 Hz · 1500 RPM
Prime power220 kWe
Standby power240 kWe
Configuration
L6, turbocharged aftercooled
Displacement
8.8 L
Fuel
Diesel

Power Ratings

kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf

50 Hz1500 RPM

RatingPrimeStandby
Mechanical power kWm245279
Electrical output kWe220240

60 Hz1800 RPM

RatingPrimeStandby
Mechanical power kWm282321
Electrical output kWe250275

Datasheet & documents

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Documents

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Cummins QSL9G4 8.8L L6, turbocharged aftercooled diesel generator engine — 300 kVA standby specifications

Technical specifications

Technical Specifications

BrandCummins
ModelQSL9G4
SeriesQSL Series
ConfigurationL6, turbocharged aftercooled
Cylinders6
Displacement8.8 L
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardU.S. EPA Tier 3 / EU Stage IIIA / China III
CertificationsU.S. EPA Tier 3, EU Stage IIIA, China III
Country of OriginUnited States / United Kingdom

Check your engine model

The Cummins QSL9G4 is a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, rated at 300 kVA / 240 kWe / standby rating. Match the model and serial number on your engine plate when requesting a manual or parts. The ratings and emissions information below help identify the version fitted to your generator.

Other ways this model is written

qsl9g4Cummins QSL9G4QSL Series QSL9G4

QSL9G4 repair parts

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Frequently asked questions

What is the power output of the Cummins QSL9G4?

The Cummins QSL9G4 is rated at 300 kVA standby / 275 kVA prime at 50 Hz (1,500 rpm); and 344 kVA standby / 313 kVA prime at 60 Hz (1,800 rpm).

Does the QSL9G4 run at 50 Hz or 60 Hz?

The Cummins QSL9G4 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).

What fuel does the Cummins QSL9G4 use?

The Cummins QSL9G4 is a diesel generator-set engine.

What is the displacement and cylinder configuration of the QSL9G4?

The Cummins QSL9G4 is an inline-6 (6-cylinder) engine with a displacement of 8.8 L.

What emissions information is listed for the QSL9G4?

This record lists U.S. EPA Tier 3 / EU Stage IIIA / China III for the Cummins QSL9G4. Confirm the exact engine family, model year, configuration and applicable manufacturer certification documents before specifying it for a regulated project. A database label does not establish certification of a complete generator package.

What is the catalog status of the Cummins QSL9G4?

The Cummins QSL9G4 is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.

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