This comprehensive service manual covers the Deutz TCD 2013 L4 4V and Deutz TCD 2013 L6 4V diesel engines. Engineered for reliability and performance, these engines are designed to meet demanding operational requirements. This manual provides detailed information to ensure these engines are maintained and repaired to the highest standards, reflecting Deutz's commitment to quality and durability. The purpose of this manual is to serve as a complete resource for all aspects of engine maintenance and repair. It includes essential sections on general information, user notes, technical data, testing and setting procedures, tightening specifications, and detailed job cards. Owners, technicians, and mechanics will find this manual invaluable for understanding engine operation, performing routine maintenance, troubleshooting issues, and executing complex repairs, thereby ensuring the longevity and optimal performance of the Deutz TCD 2013 4V series engines.