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Cummins QSX15G9

In Production

Cummins QSX15G9 generator-drive diesel engine discovered in the GenProBase public selector. GenProBase lists 1 row(s) across 60Hz with 15 L displacement, 6L cylinders, liquid-cooled cooling, and U.S. EPA Tier 2 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 · 60 Hz
625 kVA
Electrical Output
500 kWe
Cylinders
L6
Displacement
15 L
Rated Speed
1,800 RPM

Power Ratings

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

60 Hz1800 RPM

kWmkWekVA
Prime Power507450
Standby Power563500
Shareable spec cardCummins QSX15G9 summary imageOpen image
Cummins QSX15G9 15L L6, turbocharged aftercooled diesel generator engine — 625 kVA standby specifications

Cummins QSX15G9 generator set context

The Cummins QSX15G9 is listed here as a diesel generator-drive engine for 60 Hz generator sets, with a headline 625 kVA / 500 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

qsx15g9Cummins QSX15G9

Technical Specifications

BrandCummins
ModelQSX15G9
ConfigurationL6, turbocharged aftercooled
Cylinders6
Displacement15 L
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardU.S. EPA Tier 2
CertificationsU.S. EPA Tier 2
Country of OriginUnited States

Frequently asked questions

What is the power output of the Cummins QSX15G9?

The Cummins QSX15G9 is rated at 625 kVA standby / 563 kVA prime at 60 Hz (1,800 rpm).

Does the QSX15G9 run at 50 Hz or 60 Hz?

The Cummins QSX15G9 is rated for 60 Hz (1,800 rpm).

What fuel does the Cummins QSX15G9 use?

The Cummins QSX15G9 is a diesel generator-set engine.

What is the displacement and cylinder configuration of the QSX15G9?

The Cummins QSX15G9 is an inline-6 (6-cylinder) engine with a displacement of 15 L.

What emissions standard does the QSX15G9 meet?

The Cummins QSX15G9 is certified to U.S. EPA Tier 2 emissions standards.

Is the Cummins QSX15G9 still in production?

Yes — the Cummins QSX15G9 is a current production model.

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