The McCormick XTX Series Tractors, encompassing models XTX145, XTX165, XTX185, XTX200, and XTX215, represent a robust line of agricultural machinery powered by FPT Tier 3 compliant, inline 6-cylinder turbocharged diesel engines. These tractors, produced in the mid to late 2000s, offer a range of horsepower from approximately 145 to 215 HP and feature advanced Powershift transmissions, sophisticated hydraulic systems, and comfortable operator stations designed for demanding agricultural tasks. Building on a rich heritage, the XTX series embodies a commitment to engineering quality and reliability, providing users with powerful and efficient tools for modern farming operations. This comprehensive workshop service repair manual provides extensive coverage for all McCormick XTX Series Tractors. It details every service and repair procedure, from routine maintenance such as oil changes and filter replacements to complex overhauls of the engine, transmission, and hydraulic systems. The manual includes step-by-step instructions, clear illustrations, and diagnostic procedures to assist owners, mechanics, and technicians in maintaining their tractors. Its purpose is to empower users to perform repairs efficiently, ensuring the longevity and optimal performance of their equipment while potentially saving on service costs.