This comprehensive service manual provides detailed instructions and diagrams for repairing and maintaining Farmall M, MV, MD, and MDV tractors manufactured between 1939 and 1952. The manual covers a wide range of topics, including engine specifications, transmission details, general data, and troubleshooting procedures. It includes detailed information on the Farmall M, MV, MD, and MDV models, outlining specific specifications for each variant. The manual is an invaluable resource for anyone looking to service, repair, restore, or rebuild their Farmall tractor. This detailed, illustrated manual is the same one used by professional mechanics and workshops, offering step-by-step instructions for all repair and maintenance tasks.