This manual covers the Deutz TCD 2012-2013 L04/06 2V/m series engines. These engines are engineered for robust performance and reliability, making them suitable for a wide range of demanding applications. Their design emphasizes durability and efficiency, ensuring consistent operation in various environments. This documentation provides comprehensive information to understand and utilize these engines effectively. The purpose of this manual is to serve as a complete reference for the maintenance, repair, and technical understanding of the Deutz TCD 2012-2013 L04/06 2V/m engines. It includes detailed sections on general information, user notes, safety regulations, disposal guidelines, operating and workshop procedures, technical data, testing and setting information, tightening specifications, and job cards. This resource is designed to assist owners, technicians, and mechanics in performing all necessary service and repair tasks accurately and efficiently.