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Cummins QSL9-G3

QSL9

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Cummins QSL9-G3 8.8L 6-cylinder diesel engine for generator sets. 225 kWe prime / 250 kWe standby at 60Hz. EPA Tier 3. Turbocharged, Intercooled.

Overhaul & repair parts
Manufacturer files
1 datasheet
Last updated
2026-06-28
Package route
diesel generator sets
Standby Power · 50 Hz
275 kVA
Electrical Output
220 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 Power222.2200250
Standby Power244.4220275

60 Hz1800 RPM

kWmkWekVA
Prime Power250225281.3
Standby Power277.8250312.5

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Cummins QSL9-G3 8.8L L6 diesel generator engine — 275 kVA standby specifications

Cummins QSL9-G3 generator set context

The Cummins QSL9-G3 is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 275 kVA / 220 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

qsl9g3QSL9 G3Cummins QSL9-G3

Technical Specifications

BrandCummins
ModelQSL9-G3
SeriesQSL9
ConfigurationL6
Cylinders6
Displacement8.8 L
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardU.S. EPA Tier 3
Country of OriginUnited States

Frequently asked questions

What is the power output of the Cummins QSL9-G3?

The Cummins QSL9-G3 is rated at 275 kVA standby / 250 kVA prime at 50 Hz (1,500 rpm); and 313 kVA standby / 281 kVA prime at 60 Hz (1,800 rpm).

Does the QSL9-G3 run at 50 Hz or 60 Hz?

The Cummins QSL9-G3 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).

What fuel does the Cummins QSL9-G3 use?

The Cummins QSL9-G3 is a diesel generator-set engine.

What is the displacement and cylinder configuration of the QSL9-G3?

The Cummins QSL9-G3 is an inline-6 (6-cylinder) engine with a displacement of 8.8 L.

What emissions information is listed for the QSL9-G3?

This record lists U.S. EPA Tier 3 for the Cummins QSL9-G3. 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 QSL9-G3?

The Cummins QSL9-G3 is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.

Are reference documents available for the QSL9-G3?

This page links reference documents for the Cummins QSL9-G3. Check each document's title, model coverage, revision and rating conditions before using it for selection.

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