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Cummins

Cummins QSNT-G4X

QSN Series

In Production

The Cummins QSNT-G4X is a 14-litre inline-6 diesel engine for generator sets, rated at 500 kVA / 400 kWe standby power at 1,500 RPM (50 Hz). It is a liquid-cooled engine built in China.

Overhaul & repair parts
Supporting documents
1 document · 1 datasheet
Last updated
2026-05-29
Package route
diesel generator sets
Standby Power · 50 Hz
500 kVA
Electrical Output
400 kWe
Cylinders
L6
Displacement
14 L
Rated Speed
1,500 RPM

Power Ratings

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

50 Hz1500 RPM

kWmkWekVA
Prime Power400360450
Standby Power444.4400500

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Cummins QSNT-G4X 14L L6 diesel generator engine — 500 kVA standby specifications

Cummins QSNT-G4X generator set context

The Cummins QSNT-G4X is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 500 kVA / 400 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

qsntg4xQSNT G4XCummins QSNT-G4XQSN Series QSNT-G4X

Technical Specifications

BrandCummins
ModelQSNT-G4X
SeriesQSN Series
ConfigurationL6
Cylinders6
Displacement14 L
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardUnregulated
Country of OriginChina

Frequently asked questions

What is the power output of the Cummins QSNT-G4X?

The Cummins QSNT-G4X is rated at 500 kVA standby / 450 kVA prime at 50 Hz (1,500 rpm).

Does the QSNT-G4X run at 50 Hz or 60 Hz?

The Cummins QSNT-G4X is rated for 50 Hz (1,500 rpm).

What fuel does the Cummins QSNT-G4X use?

The Cummins QSNT-G4X is a diesel generator-set engine.

What is the displacement and cylinder configuration of the QSNT-G4X?

The Cummins QSNT-G4X is an inline-6 (6-cylinder) engine with a displacement of 14 L.

What is the catalog status of the Cummins QSNT-G4X?

The Cummins QSNT-G4X 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 QSNT-G4X?

This page links reference documents for the Cummins QSNT-G4X. Check each document's title, model coverage, revision and rating conditions before using it for selection.

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