This manual provides essential information for DOOSAN Infracore customers and distributors regarding the DL08 Diesel engine. It is intended to facilitate a comprehensive understanding of the product, enabling users to operate and maintain the engine effectively. Proper operation and diligent maintenance are crucial for ensuring the engine's optimal condition and sustained performance over its lifespan. The scope of this manual covers critical areas necessary for the care and upkeep of the DL08 Diesel engine. It includes detailed sections on safety regulations, engine specifications, technical information, and procedures for the disassembly and reassembly of major components. Furthermore, it outlines commissioning and operation guidelines, along with comprehensive maintenance and care instructions for both the engine and its key parts. A list of special tools is also provided to assist in these processes.