This manual covers the Navistar Maxxforce 11 & 13 Diesel Engine models manufactured between 2010 and 2014. These internal combustion diesel engines are engineered for robust performance and reliability, representing a significant advancement in diesel technology. Their design prioritizes durability and efficiency, making them suitable for demanding applications where consistent power and longevity are essential. This comprehensive service manual provides detailed information for the maintenance, repair, and troubleshooting of your Navistar Maxxforce engine. It includes step-by-step instructions, hundreds of pages with detailed photos and diagrams, and all procedures used by professional mechanics and technicians. The manual covers all servicing, repair, and troubleshooting procedures, ensuring you have the necessary resources to keep your engine operating at peak performance.