This manual covers the Deutz TD/TCD 2012/2013 L04/06 2V engine series, designed for robust performance and reliability. These engines are engineered to meet demanding operational requirements across various applications, reflecting Deutz's commitment to quality and advanced diesel technology. Their efficient design and durable construction ensure consistent power delivery and longevity, making them a dependable choice for industrial and commercial use. The purpose of this manual is to provide comprehensive guidance for the operation and maintenance of your Deutz engine. It details essential procedures, including routine care, maintenance schedules, and troubleshooting common faults. Technical specifications and safety guidelines are also included to assist owners, technicians, and mechanics in effectively maintaining and repairing the engine, ensuring optimal performance and extending its service life.