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Cummins QSL9G9

QSL Series

In Production

Cummins QSL9G9 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 Final Tier 4 / EU Stage IIIA emissions labeling. Treat this row as source-discovered and prioritize OEM datasheet attachment in a follow-up pass.

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Manufacturer files
No datasheet
Last updated
2026-08-05
Package route
diesel generator sets
Standby Power · 50 Hz
300 kVA
Electrical Output
240 kWe
Cylinders
L6
Displacement
8.8 L
Rated Speed
1,500 / 1,800 RPM

Power Ratings

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

50 Hz1500 RPM

kWmkWekVA
Prime Power253220
Standby Power278240

60 Hz1800 RPM

kWmkWekVA
Prime Power293250
Standby Power323275
Shareable spec cardCummins QSL9G9 summary imageOpen image
Cummins QSL9G9 8.8L L6, turbocharged aftercooled diesel generator engine — 300 kVA standby specifications

Cummins QSL9G9 generator set context

The Cummins QSL9G9 is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 300 kVA / 240 kWe / standby rating. Use this page to compare the published engine output, electrical kWe/kVA ratings, emissions level, datasheet availability, and neighboring models before specifying an alternator, controller, enclosure, voltage, and compliance package.

Also searched as

qsl9g9Cummins QSL9G9QSL Series QSL9G9

Technical Specifications

BrandCummins
ModelQSL9G9
SeriesQSL Series
ConfigurationL6, turbocharged aftercooled
Cylinders6
Displacement8.8 L
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardU.S. EPA Final Tier 4 / EU Stage IIIA
CertificationsU.S. EPA Final Tier 4, EU Stage IIIA
Country of OriginUnited States / United Kingdom

Frequently asked questions

What is the power output of the Cummins QSL9G9?

The Cummins QSL9G9 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 QSL9G9 run at 50 Hz or 60 Hz?

The Cummins QSL9G9 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).

What fuel does the Cummins QSL9G9 use?

The Cummins QSL9G9 is a diesel generator-set engine.

What is the displacement and cylinder configuration of the QSL9G9?

The Cummins QSL9G9 is an inline-6 (6-cylinder) engine with a displacement of 8.8 L.

What emissions standard does the QSL9G9 meet?

The Cummins QSL9G9 is certified to U.S. EPA Final Tier 4 / EU Stage IIIA emissions standards.

Is the Cummins QSL9G9 still in production?

Yes — the Cummins QSL9G9 is a current production model.

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