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.
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- Manufacturer files
- 1 datasheet
- Last updated
- 2026-08-12
- Package route
- diesel generator sets
- Electrical Output
- 354 kW
- Cylinders
- L6
- Rated Speed
- 1,500 RPM
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 standard does the MaxxForce 11 meet?
The International MaxxForce 11 is certified to EPA 2007/EPA 2010 on-highway legacy emissions standards.
Is the MaxxForce 11 still in production?
No — the International MaxxForce 11 is discontinued. Its specifications and datasheets remain archived here for reference.
Is a datasheet available for the MaxxForce 11?
Yes — an official International datasheet for the International MaxxForce 11 can be downloaded from this page.