The Cockshutt 40 Tractor, a product of mid-20th century agricultural mechanization, represents a significant piece of Canadian manufacturing heritage. Known for robust construction and reliable performance, these tractors were designed to meet the demanding needs of farming operations during a transformative era. The Cockshutt brand is recognized for its durable machinery, and the 40 model embodies this reputation, offering a solid foundation for a wide range of agricultural tasks. This workshop service and repair manual provides comprehensive guidance for the Cockshutt 40 Tractor. It covers essential areas including engine overhaul, fuel, lubrication, cooling, and electrical systems, as well as drivetrain components like the transmission and clutch, and chassis systems such as steering and brakes. Detailed procedures for maintenance, repair, troubleshooting, and component overhauls are included, making it an indispensable resource for professional technicians, DIY mechanics, and owners seeking to maintain and repair their tractor effectively.