This service manual is a must-have for owners of Allison Transmissions MT 600 Series models MT 640 and MT 650. It provides comprehensive information on how to maintain and repair your heavy equipment. Learn about the specifications and technical details of your Allison Transmissions MT 600 Series, including the brand, model, and year. This manual is perfect for anyone in the heavy equipment industry, including those in industrial and business sectors. Made in the United States, this manual is a reliable source of information for ensuring that your equipment is in tip-top shape.