This Spare Parts Catalog covers models 980, 1090, and 1100, agricultural tractors renowned for their robustness and technical advancement. These models, typically produced from the late 1970s to the early 1990s, are built upon a heritage of producing reliable and versatile machinery. They are equipped with diesel engines and manual transmissions, designed for demanding agricultural applications. The catalog provides comprehensive information essential for maintaining and restoring these durable tractors, highlighting their engineering quality and unique value proposition for owners and enthusiasts. This manual serves as an indispensable resource for DIY mechanics, professional repair technicians, and restoration enthusiasts. It offers detailed, step-by-step instructions for repair, maintenance, and rebuilding across all major systems, including the engine, transmission, drivetrain, hydraulics, chassis, electrical system, PTO, and linkage. With extensive illustrations, exploded views, part numbers, and torque specifications, this catalog facilitates a deep understanding and precise execution of any service task. Its format ensures searchability and accessibility, allowing for quick location of critical information to keep your tractor in optimal condition.