This workshop manual provides comprehensive guidance for the Deutz FL914 series engines, including the F3L914, F4L914, F5L914, F6L914, BF3L914, BF4L914, BF6L914, and BF6L914 C models. These engines are engineered for robust performance and reliability in demanding applications. This manual is designed to support the proper maintenance and repair of these high-quality power units. The purpose of this manual is to serve as a definitive resource for technicians and owners. It contains detailed procedures for repairs and overhauls, accompanied by clear diagrams and illustrations to ensure accuracy and efficiency. All essential specifications, tolerances, and explanations of component and system functions are included, enabling users to maintain their Deutz FL914 engines effectively and correctly.