This service repair manual covers the Mistral series of compact utility tractors, including the Mistral 40 America, Mistral 45 America, and Mistral 50 America variants. These tractors are engineered for versatility and reliability, suitable for a range of agricultural, horticultural, and municipal tasks. They feature robust diesel engines with power ratings from approximately 40 to 50 horsepower and are available with either a mechanical 8-speed forward/8-speed reverse transmission or a hydrostatic transmission (HST) offering variable speed control. An Italian manufacturer with a heritage dating back to 1922, is known for producing durable and efficient machinery. This comprehensive manual is designed for workshop staff and servicing technicians, providing detailed guidance for modifications, tune-ups, repairs, and overhauls. It covers all major systems, including the engine, mechanical and hydrostatic transmissions, hydraulic systems, electrical components, powertrain, braking, and steering. The manual includes routine maintenance schedules, troubleshooting procedures with diagnostic flowcharts, step-by-step repair instructions, torque specifications, and identification of special tools. With 462 primary pages and extensive wiring diagrams, this digital offering provides searchable text and copy functionality, ensuring technicians have the complete technical data needed to maintain safety, operational efficiency, and extend the lifespan of the Mistral tractors.