Diesel Truck Technology
Program Overview
The two-year Diesel Truck Technology Associates Degree program prepares students as entry-level technicians with the latest information on diagnosis, repair procedures, preventive maintenance, and necessary safety applications in diesel technology. The course prepares students to take the voluntary mechanic certification test (ASE) in heavy-duty trucks. Graduates work as tune-up, brakes, transmission, and refrigeration technicians; diesel truck repair and fleet maintenance technicians; service writing technicians; and sales and service representatives.
Senior Testing Fees
In addition to tuition, Diesel Truck Technology students will have fees associated with their major reflected yearly per the Enrollment Agreement. These fees cover State and Federal Licensing Requirements. These are all mandatory to complete the program. State inspection fees can be waived for those students who have achieved this credential and/or out-of-state students not needing such a credential.
Career Opportunities
Typical employers of diesel truck technicians are truck, farm, and earth-moving equipment dealerships; trucking, power generation, and construction companies; truck service centers; engine repair/machine shops; truck equipment distributors; independent service garages; automotive parts manufacturers; sales representatives; and insurance companies.
Our Diesel Truck Technology program graduates enter the region’s workforce at locations such as Cleveland Brothers CAT, Five Star Equipment, and Kenworth of Pennsylvania.
Program Learning Goals
Goal 1: Graduates will possess the appropriate skills and safety awareness that are needed for decision-making and critical thinking for entry into the Diesel Truck Technology field.
Student Learning Outcomes – Students will:
- Understand the use of proper safety equipment, for both themselves and shop practices.
- Visualize situations to predict any concerns before attempting them.
- Multitask and follow safety precautions while displaying well thought-out time management.
Goal 2: Graduates will understand the importance of professional behavior and life-long learning within the Diesel Truck Industry.
Student Learning Outcomes – Graduates will:
- Communicate with managers, supervisors, or company owners in a professional and technical manner.
- Seek opportunities for continued training after graduation and keep up with current technology.
Goal 3: Graduates will meet the needs of the Diesel Truck Technology field. Graduates will be provided the skills that will provide them the opportunities in various areas of the diesel profession.
Student Learning Outcomes – Students will:
- Be able to troubleshoot heavy duty vehicle brake systems for safety concerns and faults.
- Diagnose a diesel engine and repair a variety of different types of engines.
- Diagnose and repair steering and suspension components
- Diagnose and repair drive line component issues
- Diagnose and repair HVAC components issues
Course Outline
2025-2026 Program Sequence
| Term 1 (Fall) | Credits: 15 | |
| DTT-153 | Brake Systems for Diesel | 2 |
| DTT-154 | Brake Systems for Diesel Lab | 1 |
| DTT-155 | Steering and Suspension Systems for Diesel | 3 |
| IET-101 | Introduction to Diesel Electricity and Electronics | 3 |
| MAT Elective | Mathematics Elective | 3 |
| SSS-101 | First Year Experience | 1 |
| VMR-151 | Introduction to Vehicle Maintenance and Repair Technology | 2 |
| Term 2 (Spring) | Credits: 16 | |
| DTT-159 | Advanced Electrical Systems for Diesel | 2 |
| DTT-160 | Advanced Electrical Systems for Diesel Lab | 1 |
| DTT-177 | Diesel Fuel Injection and Emissions | 2 |
| DTT-178 | Diesel Fuel Injection and Emissions Lab | 1 |
| DTT-179 | Diesel Engine Performance and Tune-up Procedures | 2 |
| DTT-180 | Diesel Engine Performance and Tune-up Procedures | 2 |
| ENG-105 | Industry Communication | 3 |
| SCI Elective | Science Elective | 3 |
| Term 3 (Fall) | Credits: 19 | |
| ART-125/126 | Art In Industry | 3 |
| BUS-101 | Introduction to Business | 3 |
| DTT-277 | Manual Transmission Overhaul | 2 |
| DTT-278 | Manual Transmission Overhaul Lab | 1 |
| DTT-279 | Differentials and Drive Line | 3 |
| DTT-285 | Diesel Engine Overhaul | 2 |
| DTT-286 | Diesel Engine Overhaul Lab | 2 |
| VMR-161 | Welding and Flame Cutting for Vehicles | 1 |
| VMR-162 | Welding and Flame Cutting for Vehicles Lab | 2 |
| Term 4 (Spring) | Credits: 17 | |
| CSM-105 | Customer Service in Our World | 3 |
| DTT-129 | Transportation Safety and Certifications | 2 |
| DTT-281 | Auto. Transmissions Diagnostics, Basic Hydraulics | 2 |
| DTT-282 | Auto. Transmissions Diagnostics, Basic Hydraulics Lab | 1 |
| DTT-283/284 | Applied Diesel Truck Principles and Applications | 4 |
| OR INT-299D | OR Internship | |
| DTT-287 | Advances in Diesel Truck Technology | 2 |
| VMR-251 | HVAC Vehicle Systems | 2 |
| VMR-252 | HVAC Vehicle Systems Lab | 1 |
| DTT Program Total | 67 |
This term layout is based off of a fall start. Students who start in the spring will be required to attend an additional term to complete their degree.
There may be special admission requirements for this program. Please speak with a Recruitment Advisor by calling 570-702-8856 or email enroll@johnson.edu to review our requirements.
For course descriptions, please visit the Course Catalog.