Drivetrain components must endure incredible torque, high impact loads, frequent direction and gear changes. So Caterpillar designs and manufactures its transmission and final drive components with these demands in mind, using testing processes that simulate real-world applications. The result is a final drive train system that lasts longer and works harder over the life of your machine. Caterpillar designs and manufactures the highest quality drivetrain systems in the industry and our highly trained powertrain and engine specialists will work with you to achieve superior machine performance by offering genuine Cat® drivetrain parts, along with excellent maintenance and repair options to suit your needs.