This manual provides comprehensive service and repair information for the HINO DIESEL ENGINE J08E-UV E385C, specifically designed for crawler excavator applications. Engineered for durability and performance, this engine represents a commitment to robust construction and reliable operation in demanding environments. Its advanced design incorporates features aimed at optimizing efficiency and longevity, making it a trusted component in heavy-duty machinery. The purpose of this manual is to serve as a complete guide for the maintenance, diagnosis, and repair of the HINO DIESEL ENGINE J08E-UV E385C. It covers essential procedures including engine assembly and disassembly, fuel system maintenance, emission control systems, electrical diagnostics, and detailed troubleshooting for various engine statuses and diagnostic codes. With step-by-step instructions, detailed illustrations, and critical notes, this resource empowers technicians and owners to effectively maintain the vehicle's optimal performance and address any potential issues.