This course will provide students with the skills needed to understand, maintain, diagnose, and repair Medium and Heavy Diesel Trucks. This course is the concentrator course for the Medium/Heavy Truck Pathway at Duncan Polytechnical High School. This is part of a dual enrollment program with Fresno City College and Reedley College, and students will earn college credit as well as credit toward high school graduation. Students will be working toward their ASE Educational Foundation Heavy/Medium Truck industry student certification. The emphasis in this course will be on technical skills, as well as foundational workplace skills such as written and oral communication, professionalism, problem solving, decision making, and workplace relationship management.