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Truck Fleet Maintenance - Certificate

2025-2026 Required Courses

First Year - First Semester

Course Title	Credits
HDTT 1100 Truck Technology Fundamentals HDTT - 1100: Truck Technology Fundamentals Description HDTT 1100 This course covers shop procedures and safety in the truck shop such as safety in the use of hand tools, power tools, hoists, jacks, and other equipment used by a heavy duty truck technician. Different types and uses of fasteners, thread repair, and similar procedures will be discussed. Methods of record keeping, repair orders, and the use of repair manuals and related service publications will also be covered. The student will be familiarized with the basic fundamentals of operating heavy trucks. Included will be pre-start and pre-trip inspection procedures, basic operation of the vehicle, and shut-down procedures. Prerequisites: None Credits: 4 Prerequisites: None Corequisites: None Future Offering: Fall 2026 Spring 2027 Course Outline: HDTT1100 — PDF	4
HDTT 1106 Welding Procedures HDTT - 1106: Welding Procedures Description HDTT 1106 This course covers basic position welding techniques of the different welding applications used in the heavy truck repair industry. This course will cover applications of oxyacetylene welding, brazing, cutting, heating, arc welding, and wire-feed (MIG). Prerequisites: None Credits: 2 Prerequisites: None Corequisites: None Future Offering: Fall 2026 Spring 2027 Course Outline: HDTT1106 — PDF	2
HDTT 1212 Preventive Maintenance HDTT - 1212: Preventive Maintenance Description HDTT 1212 This course covers the importance and proper procedures of preventive maintenance and inspection schedules used for various types of heavy-duty trucks and their applications. Students learn to perform inspections according to the standard of the Department of Transportation (D.O.T.). Credits: 4 Prerequisites: None Corequisites: None Future Offering: Fall 2026 Spring 2027 Course Outline: HDTT1212 — PDF	4
HDTT 1217 Electrical Systems I HDTT - 1217: Electrical Systems I Description HDTT 1217 This course covers the basic purpose and function of the various truck electrical systems, components, and instruments. Electrical theory, application, and diagnosis using typical test equipment will also be covered. Prerequisites: None Credits: 3 Prerequisites: None Corequisites: None Future Offering: Fall 2026 Spring 2027 Course Outline: HDTT1217 — PDF	3
Total Semester Credits:	13

First Year - Second Semester

Course Title	Credits
HDTT 1102 Air Brake Systems HDTT - 1102: Air Brake Systems Description HDTT 1102 This course covers the theory of compressed air and its application to the brake system. Air components will be identified, and their functions studied individually as well as within the entire system. Emphasis will be place on general repair and trouble-shooting. The course will cover identification of mechanical components of foundation brake system and their application, including axle and wheel components. Theory of operation, removal, repair and replacement along with diagnostic and testing procedures are covered in this course. Credits: 5 Prerequisites: None Corequisites: None Future Offering: Fall 2026 Spring 2027 Course Outline: HDTT1102 — PDF	5
HDTT 1109 Fluid Power Systems HDTT - 1109: Fluid Power Systems Description HDTT 1109 This course covers the introduction to basic hydraulics and is designed to promote understanding of hydraulic theory and application related to hydraulic systems, tools, and equipment used in heavy duty trucks. The student will study principles of hydraulics, operation, component identification, and preventive maintenance. Also included will be basic information pertaining to heavy truck hydraulic brake components. Prerequisites: None Credits: 2 Prerequisites: None Corequisites: None Future Offering: Fall 2026 Spring 2027 Course Outline: HDTT1109 — PDF	2
HDTT 1215 Suspensions and Steering Systems HDTT - 1215: Suspensions and Steering Systems Description HDTT 1215 This course covers the identification, inspection techniques, repair, adjustment procedures and alignment checks of components associated with the variety of frames and suspensions common to heavy duty trucks. Students will be instructed in identifying various types of truck steering system and components. The students learn and practice inspection, disassembly, reassembly, and alignment procedures.Prerequisites: None Credits: 4 Prerequisites: None Corequisites: None Future Offering: Fall 2026 Spring 2027 Course Outline: HDTT1215 — PDF	4
HDTT 1223 Truck A/C HDTT - 1223: Truck A/C Description HDTT 1223 Students learn heating, ventilation and air condition system theory. Develop necessary skills to operate, test, service and repair HVAC systems. Credits: 3 Prerequisites: None Corequisites: None Future Offering: Fall 2026 Spring 2027 Course Outline: HDTT1223 — PDF	3
Total Semester Credits:	14

Total Credits:	27