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Cummins C400N6

GTA28E Genset

In Production

Cummins C400N6 is a 400 kWe standby, 60 Hz natural-gas generator set operating at 1800 RPM. Cummins lists the GTA28E engine and EPA stationary emergency/non-emergency compliance.

Cummins C400N6 28L V12 Stoichiometric Turbocharged Aftercooled natural gas generator engine — 500 kVA standby specifications
Cummins C400N6 28L V12 Stoichiometric Turbocharged Aftercooled natural gas generator engine — 500 kVA standby specifications
Standby Power · 60 Hz
500 kVA
Electrical Output
400 kWe
Cylinders
V12
Displacement
28 L
Rated Speed
1,800 RPM

Power Ratings

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

60 Hz1800 RPM

kWmkWekVA
Standby Power400500

Cummins C400N6 generator set context

The Cummins C400N6 is listed here as a natural gas generator-drive engine for 60 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

c400n6Cummins C400N6GTA28E Genset C400N6

Technical Specifications

BrandCummins
ModelC400N6
SeriesGTA28E Genset
ConfigurationV12 Stoichiometric Turbocharged Aftercooled
Cylinders12
Displacement28 L
Fuel TypeNatural Gas
Ignition TypeSpark Ignition
Cooling MethodLiquid-Cooled
Emissions StandardU.S. EPA Stationary
CertificationsU.S. EPA Stationary, U.S. EPA Stationary Emergency, U.S. EPA Stationary Non-Emergency, U.S. EPA NSPS
Country of OriginUnited States

Frequently asked questions

What is the power output of the Cummins C400N6?

The Cummins C400N6 is rated at 500 kVA standby at 60 Hz (1,800 rpm).

Does the C400N6 run at 50 Hz or 60 Hz?

The Cummins C400N6 is rated for 60 Hz (1,800 rpm).

What fuel does the Cummins C400N6 use?

The Cummins C400N6 is a Natural Gas generator-set engine.

What is the displacement and cylinder configuration of the C400N6?

The Cummins C400N6 is a V12 (12-cylinder) engine with a displacement of 28 L.

What emissions standard does the C400N6 meet?

The Cummins C400N6 is certified to U.S. EPA Stationary emissions standards.

Is the Cummins C400N6 still in production?

Yes — the Cummins C400N6 is a current production model.

Is a datasheet available for the C400N6?

Yes — an official Cummins datasheet for the Cummins C400N6 can be downloaded from this page.

Reference

Last database update
2026-07-26
Manufacturer files
1 datasheet linked

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