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Cummins QSZ13-G11

QSZ13

In Production

Cummins QSZ13-G11 12.9L 6-cylinder diesel engine for generator sets. 440 kWe prime / 500 kWe standby at 60Hz. EPA Tier 3. Turbocharged, Intercooled.

Overhaul & repair parts
Supporting documents
1 document · 1 datasheet
Last updated
2026-06-28
Package route
diesel generator sets
Standby Power · 50 Hz
550 kVA
Electrical Output
440 kWe
Cylinders
L6
Displacement
12.9 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 Power444.4400500
Standby Power488.9440550

60 Hz1800 RPM

kWmkWekVA
Prime Power488.9440550
Standby Power555.6500625

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Cummins QSZ13-G11 12.9L L6 diesel generator engine — 550 kVA standby specifications

Cummins QSZ13-G11 generator set context

The Cummins QSZ13-G11 is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 550 kVA / 440 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

qsz13g11QSZ13 G11Cummins QSZ13-G11

Technical Specifications

BrandCummins
ModelQSZ13-G11
SeriesQSZ13
ConfigurationL6
Cylinders6
Displacement12.9 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 QSZ13-G11?

The Cummins QSZ13-G11 is rated at 550 kVA standby / 500 kVA prime at 50 Hz (1,500 rpm); and 625 kVA standby / 550 kVA prime at 60 Hz (1,800 rpm).

Does the QSZ13-G11 run at 50 Hz or 60 Hz?

The Cummins QSZ13-G11 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).

What fuel does the Cummins QSZ13-G11 use?

The Cummins QSZ13-G11 is a diesel generator-set engine.

What is the displacement and cylinder configuration of the QSZ13-G11?

The Cummins QSZ13-G11 is an inline-6 (6-cylinder) engine with a displacement of 12.9 L.

What emissions information is listed for the QSZ13-G11?

This record lists U.S. EPA Tier 3 for the Cummins QSZ13-G11. 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 QSZ13-G11?

The Cummins QSZ13-G11 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 QSZ13-G11?

This page links reference documents for the Cummins QSZ13-G11. Check each document's title, model coverage, revision and rating conditions before using it for selection.

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