International
International MaxxForce 11
International/Navistar MaxxForce Big Bore
International MaxxForce 11 legacy big-bore Class 8 diesel. International revealed MaxxForce 11 and MaxxForce 13 ratings in 2007, describing six big-bore models across 330-475 hp and 1,250-1,700 lb-ft torque for ProStar, TranStar and WorkStar applications. International now groups MaxxForce 11/13 resources under LEGACY ENGINES, and the Navistar manual index validates the MaxxForce 11 diagnostic manual path.
Overhaul & repair parts- Manufacturer files
- 1 datasheet
- Last updated
- 2026-08-12
- Package route
- diesel generator sets
- Mechanical Output
- 354 kW
- Cylinders
- L6
- Rated Speed
- 1,500 RPM
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International MaxxForce 11 overhaul & repair parts
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International MaxxForce 11 generator set context
The International MaxxForce 11 is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 354 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 | MaxxForce 11 |
| Series | International/Navistar MaxxForce Big Bore |
| Configuration | Big-bore inline-6 diesel with high-pressure common rail and twin-series turbochargers |
| Cylinders | 6 |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | EPA 2007/EPA 2010 on-highway legacy |
| Certifications | International official newsroom model announcement, International current engine resources LEGACY ENGINES archive, ManualsLib Navistar engine manual index |
| Country of Origin | United States |
| Year Introduced | 2007 |
Frequently asked questions
What fuel does the International MaxxForce 11 use?
The International MaxxForce 11 is a diesel generator-set engine.
What is the cylinder configuration of the MaxxForce 11?
The International MaxxForce 11 is an inline-6 (6-cylinder) engine.
What emissions information is listed for the MaxxForce 11?
This record lists EPA 2007/EPA 2010 on-highway legacy for the International MaxxForce 11. 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.
Is the MaxxForce 11 still in production?
No — the International MaxxForce 11 is discontinued. Its specifications and datasheets remain archived here for reference.
Are reference documents available for the MaxxForce 11?
This page links reference documents for the International MaxxForce 11. Check each document's title, model coverage, revision and rating conditions before using it for selection.