This course combines lecture and laboratory hands-on activities, focusing on the theory of operation, construction, diagnosis and repair of heavy duty clutch assemblies, manual transmissions, drive lines and final drive assemblies. The laboratory component of the course includes the practical aspects of maintenance, troubleshooting and overhaul procedures used in heavy duty power train components. Chassis preventive maintenance and inspection (PMI) will be covered in detail. The laboratory component of the course includes various activities that follow the guidelines of the National Technicians Education Foundation (NATEF). A library/internet research written project concerning some aspect of a medium and heavy duty vehicle’s driveline operation and/or individual component function in the driveline will be assigned and is an integral component of this course.