This manual covers the Case 445/M2, 445T/M2, and 668T/M2 Diesel Engines, designed for heavy-duty industrial equipment applications. These engines are engineered for robust performance and reliability, ensuring consistent operation in demanding environments. The comprehensive nature of this documentation reflects the quality and durability expected from Case diesel engines. This Factory Service Repair Workshop Manual provides essential information for maintaining and repairing your Case diesel engine. It includes detailed coverage of general information, feed systems, duty cycles for industrial equipment, overhaul procedures, technical specifications, and appendixes. With step-by-step instructions, highly detailed exploded diagrams, and complete disassembly guides, this manual is an invaluable resource for owners and technicians alike, offering an inexpensive way to keep your equipment operating properly.