This operator manual covers the McCormick GM40, GM45, and GM50 tractor models. Designed for agricultural and general utility use, these tractors are built with robust engineering to ensure reliability and efficient operation. Their straightforward design and dependable performance make them a valuable asset for a variety of tasks, embodying the quality expected from McCormick equipment. This comprehensive manual provides detailed instructions for operating, maintaining, and adjusting your McCormick tractor. It includes essential information on general operation, instruments and controls, the electrical system, and technical specifications. Additionally, you will find a lubricants and fuel chart, guidance on hitching implements, and a CE Declaration of Conformity. The step-by-step instructions are designed to empower owners and technicians to perform maintenance and repairs effectively, saving time and expense.