International
International GCB390
GCB Series
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.
Overhaul & repair parts- Manufacturer files
- No datasheet
- Last updated
- 2026-07-25
- Package route
- diesel generator sets
- Mechanical Output
- 309 kW
- Cylinders
- L6
- Displacement
- 9.354 L
- Rated Speed
- 1,500 RPM
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International GCB390 overhaul & repair parts
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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.
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Technical Specifications
| Brand | International |
| Model | GCB390 |
| Series | GCB Series |
| Configuration | L6 Turbocharged Aftercooled |
| Cylinders | 6 |
| Displacement | 9.354 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Tier 3 |
| Certifications | U.S. EPA Tier 3 |
| Country of Origin | United 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 information is listed for the GCB390?
This record lists U.S. EPA Tier 3 for the International GCB390. 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 International GCB390?
The International GCB390 is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.