CTE Curriculum
Prepare learners with CTE curriculum aligned to industry standards.
About the Course
The MD HD: Preventive Maintenance & Inspection/Service course provides students with the knowledge and skills needed to perform comprehensive inspections and routine maintenance on heavy-duty trucks and trailers. Students will apply critical thinking and problem-solving skills to evaluate vehicle systems, identify potential issues, and complete preventive maintenance procedures, preparing them for real-world roles in diesel service and fleet maintenance.
Lessons Available in This Course
- MD HD: Air Loss Rate/Low-Pressure Warning
- MD HD: Both Front Sides of Tractor
- MD HD: Brake Adjustment Check & Air Loss
- MD HD: Cab & Hood
- MD HD: Check for Understanding - Air Brake Testing & Air Loss
- MD HD: Check for Understanding - Electrical, HVAC & Lighting
- MD HD: Check for Understanding - Engine Systems
- MD HD: Check for Understanding - PMI Explanation & Requirements
- MD HD: Check for Understanding – Suspension, Steering Frame & Chassis
- MD HD: Complete Inspection
- MD HD: Electrical/Electronic Sub-Repair Area C
- MD HD: Engine Systems: Air Induction & Exhaust System
- MD HD: Engine Systems: Cooling System
- MD HD: Engine Systems: Lubrication System
- MD HD: Engine Systems: Underhood Inspection
- MD HD: Front Axle
- MD HD: Front of Truck/Tractor
- MD HD: Inside Cab Sub-Repair Area B Cab & Hood
- MD HD: Introduction to Preventive Maintenance & Inspection/Service
- MD HD: Medium Duty Hydraulic Brakes
- MD HD: PMI Pre-Work
- MD HD: Preventive Maintenance & Inspection/Service Course Conclusion & Post-Text
- MD HD: Preventive Maintenance & Inspection/Service Course Overview & Pre-Test
- MD HD: Rear of Trailer
- MD HD: Rear Tractor Area
- MD HD: Saddle Tank Area
- MD HD: Side of Trailer
- MD HD: Steering Axle Suspension Brake Systems
- MD HD: Steering Axle/Suspension
- MD HD: Trailer Front




