The International Harvester (IH) Cub Cadet 154, 184, and 185 tractors represent a robust lineage of compact agricultural machinery, produced approximately from the early 1970s to the early 1980s. These models, powered by reliable International Harvester gasoline engines ranging from 2.3L to 2.5L and typically producing between 18-24 HP, were designed for versatility and durability in lawn and garden applications, as well as light agricultural tasks. Their engineering prioritizes straightforward functionality, featuring a manual synchromesh transmission with typically 8 forward and 2 reverse speeds, a single dry plate clutch, and mechanical drum brakes. The Cub Cadet line is historically recognized for its solid construction, and these tractors embody that reputation, offering dependable performance for their intended use. This Workshop Service Manual (WSM) provides comprehensive guidance for the service, repair, and maintenance of the International IH Cub Cadet 154, 184, and 185 tractors. It covers all essential systems, including detailed procedures for the engine, drivetrain, hydraulics, electrical system, steering, brakes, chassis, and bodywork. The manual includes routine maintenance schedules, step-by-step repair instructions, troubleshooting guides for common issues, and essential technical specifications. Its purpose is to empower owners, hobbyists, and independent repair shops to effectively maintain and repair their tractors, ensuring longevity and optimal performance while offering significant cost savings compared to professional dealer services.