The Generator EngineEncyclopedia

International

International GCB390

GCB Series

In Production

International GCB390 is a 9.354 L inline-6 turbocharged and air-aftercooled diesel generator engine from the International/Navistar engine lineage. EPA annual certification data lists 309 kWm at 1800 RPM under Tier 3 for model years 2013 and 2014.

International GCB390 9.354L L6 Turbocharged Aftercooled diesel generator engine specifications
International GCB390 9.354L L6 Turbocharged Aftercooled diesel generator engine specifications
Electrical Output
309 kW
Cylinders
L6
Displacement
9.354 L
Rated Speed
1,500 RPM

International GCB390 generator set context

The International GCB390 is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 309 kW / 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

gcb390International GCB390GCB Series GCB390

Technical Specifications

BrandInternational
ModelGCB390
SeriesGCB Series
ConfigurationL6 Turbocharged Aftercooled
Cylinders6
Displacement9.354 L
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardU.S. EPA Tier 3
CertificationsU.S. EPA Tier 3
Country of OriginUnited States

Frequently asked questions

What fuel does the International GCB390 use?

The International GCB390 is a diesel generator-set engine.

What is the displacement and cylinder configuration of the GCB390?

The International GCB390 is an inline-6 (6-cylinder) engine with a displacement of 9.354 L.

What emissions standard does the GCB390 meet?

The International GCB390 is certified to U.S. EPA Tier 3 emissions standards.

Is the International GCB390 still in production?

Yes — the International GCB390 is a current production model.

Reference

Last database update
2026-07-25
Manufacturer files
No datasheet linked yet

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