Heavy Diesel Construction 

18 Months – 1723 Hours

Starts:  8/17/2026

2026 2027 Tuition:  $32,410

Admission Requirements

Application Fee, Application, Enrollment Agreement, High School Diploma, Transcript or GED, Criminal Record Check, Child Abuse Clearance, and FBI Fingerprinting.

Program Overview:

The mission of the Diesel Technology Certificate program is to prepare academically and technically competent adults who are prepared for the Heavy-duty diesel industry and to make students occupationally proficient for employment, while establishing a sound foundation for continued learning.

The Diesel Technology Certificate program integrates lectures, demonstrations, and hands-on experiences to teachstudents a variety of Diesel -related subjects. The major areas of study include Workplace and industrial Safety, Tools, hardware, Diesel engines, Brake systems, Steering, Suspension, power train systems, Air Conditioning, Hydraulics and Electrical and Electronic Systems.

The program also covers Preventative maintenance and repair procedures for Heavy duty truck and Equipment, Diesel shop business procedures, legal/ethical management, and communications. Experience gained in the Diesel Technology certificate program prepares students for an entry level position at a Heavy-Duty Service center as a technician, Road Service representative, Parts, service representative and Customer service and public relations representative.

Courses Include:

HDC-121: Workplace Safety

 In the course Workplace Safety, students will receive an introduction to personal, environmental safety and emergency protocol procedures. Students learn the terminology associated with the Diesel profession, knowledge of teams and their assigned roles, Learning includes understanding of the state and federal safety regulation, and the names of the regulatory agencies that oversee the Diesel industry. Students will gain a basic understanding of the personal and environmental safety regulation, the proper way to Identify use the proper Personal Protective Equipment (PPE), how to Students are taught to identify and use the correct fire extinguisher Hazardous materials handling, storage, Safety Data sheet importance and interpretation, disposal procedure Safety Data sheet importance and interpretation. Students will attempt to earn up to three SP2 safety certifications (Lecture: 22.00 Hours, Lab: 2.00 Hours)

EEI-134: Industrial Safety

Industrial Safety provides a comprehensive understanding of industrial safety principles, focusing on workplace hazard recognition, accident prevention, and regulatory compliance. Utilizing key resources such as the Supervisors’ Safety Manual (National Safety Council, 2009), CPI Learning Resource Center’s Power Library, and Amatrol’s Industrial Safety training materials, students will explore essential topics including occupational safety standards, risk assessment, personal protective equipment (PPE), emergency response, and safety program implementation. The course emphasizes theoretical learning, equipping students with the knowledge to foster a culture of safety, reducing workplace incidents, and ensure compliance with industry regulations. Designed for supervisors, safety professionals, and industry personnel, this course lays the foundation for effective workplace safety management and best practices. (Lecture: 30.00 Hours, Lab: 0.00 Hours)

HDC-122: Tooling, Hardware, and Fabrication

Tooling, Hardware, and Fabrication introduces tooling and hardware fabrication for the Heavy Diesel truck and Construction equipment repair industry. It covers basic hand tools, air and electrical power tools, shop tools, and precision measuring tools. Students will learn to identify various hardware types and classifications and acquire basic fabrication skills, including GMAW and SMAW welding, basic oxyacetylene torch setup, cutting, grinding, and safety procedures. (Lecture: 5.00 Hours, Lab: 25.00 Hours) 

HDC-141: Basic Diesel Engines

The Basic Diesel Engines course provides a comprehensive introduction to medium and heavy-duty diesel engines, focusing on their design, operation, and maintenance. With a combined lab and theory using the Fundamentals of Medium/Heavy Duty Diesel Engines by Gus Wright as the primary reference, students will explore essential topics such as diesel engine components, fuel and air intake systems, emissions controls, lubrication, cooling, and electrical systems. The course also covers diagnostic techniques, troubleshooting, and modern advancements in diesel engine technology. Designed for aspiring diesel technicians, mechanics, and industry professionals, this course equips learners with the foundational knowledge and hands-on skills necessary for maintaining and repairing diesel-powered vehicles and equipment. (Lecture: 12.00 Hours, Lab: 60.00 Hours)

HDC -156: Brake Systems

The Brake Systems course provides an in-depth study of brake systems in heavy-duty trucks, heavy construction equipment, and agricultural machinery. Using Fundamentals of Medium/Heavy Duty Commercial Vehicle Systems(Duffy & Wright, 2016) and Fundamentals of Mobile Heavy Equipment (Duffy, Heard & Wright, 2017) as foundational texts, students will explore the principles, components, and operation of various braking systems, including hydraulic, air, and electronic braking systems. Through a combination of theoretical instruction and hands-on lab exercises, learners will gain practical experience in system diagnostics, maintenance, and repair. Emphasis will be placed on safety standards, troubleshooting techniques, and emerging technologies in brake system design. This course is designed for aspiring technicians, mechanics, and industry professionals seeking to develop a strong foundation in heavy-duty brake system operation and service. (Lecture: 12.00 Hours, Lab: 42.00 Hours)

PSS-125: Pathways to Success w/Int Tech

Pathways to Success w/Int Tech provides new students with development of strategies and skills necessary for success in higher education. Topics include transitioning to post-secondary learning, setting academic goals, managing time and keeping organized, learning and studying, preparing for and taking tests, understanding policies, and utilizing electronic resources. Students will learn and practice fundamental skills in composing documents, spreadsheets, and presentations. During the course, students will be given the tools to help them attain academic success, and to become independent, motivated learners. (Lecture: 24.00 Hours, Lab: 24.00 Hours)

COM-121: Fundamentals of Public Speaking

The Fundamentals of Public Speaking course is designed to introduce the student to public speaking. The course will focus on the classic rhetorical triangle–audience, purpose, and message–by using three major rhetorical appeals of ethos, pathos, and logos. There will also be a focus on preparing the speech, delivering the speech, evaluating the delivery and improving delivery. The students will prepare and deliver informative, demonstrative and persuasive presentations. (Lecture: 30.00 Hours, Lab: 0.00 Hours)

CDL-131: Basic Commercial Driving 1

Basic Commercial Driving 1 is designed to prepare students to obtain a Commercial Driver’s License (CDL) in the state of Pennsylvania, in compliance with the Federal Motor Carrier Safety Administration’s (FMCSA) Entry-Level Driver Training (ELDT) requirements. The curriculum combines theory-based instruction with practical, behind-the-wheel training to ensure students are fully equipped for both the CDL knowledge and skills tests. (Lecture: 38.00 Hours, Lab: 10.00 Hours)

HDC-155: Electrical Systems

Electrical Systems provides a detailed study of electrical systems as they apply to heavy-duty trucks and mobile heavy equipment, combining theoretical knowledge with extensive hands-on training in a lab and shop environment. Based on the foundational texts Fundamentals of Medium/Heavy Duty Commercial Vehicle Systems(Duffy, Wright, 2016) and Fundamentals of Mobile Heavy Equipment (Duffy, Heard, Wright, 2017), students will explore core electrical principles, component functions, and diagnostic procedures essential to servicing today’s complex vehicle systems. The course covers electrical fundamentals, circuit design, wiring schematics, battery technology, starting and charging systems, lighting systems, and fault diagnostics. Using a variety of real-world equipment, including heavy construction machinery and heavy-duty trucks—students will gain experience interpreting schematics, using multimeters, and troubleshooting system faults. Students will also have the opportunity to earn industry-recognized NC3 certifications in Multimeter Usage, Battery Systems, and Starting and Charging Systems, adding value to their technical skillset and employability. (Lecture: 6.00 Hours, Lab:48.00 Hours)

HDC-144: Steering, Alignment and Suspension

Steering, Alignment and Suspension provides an in-depth study of steering, alignment, and suspension systems in heavy-duty trucks, heavy construction equipment, and agricultural machinery. Using Fundamentals of Medium/Heavy Duty Commercial Vehicle Systems (Duffy & Wright, 2016) and Fundamentals of Mobile Heavy Equipment (Duffy, Heard & Wright, 2017) as primary references, students will explore the principles, components, and functions of various steering and suspension systems. The course covers topics such as wheel alignment, shock absorption, stability control, and system diagnostics. A hands-on lab component allows students to apply theoretical knowledge through practical exercises, including inspections, adjustments, and troubleshooting of real-world vehicle systems. Designed for aspiring technicians, mechanics, and industry professionals, this course equips learners with the essential skills needed to maintain and repair steering, alignment, and suspension systems in heavy-duty applications. (Lecture: 12.00 Hours, Lab: 42.00 Hours)

 HDC-142: Power Train Systems

The Power Train Systems course provides an in-depth study of power train systems in heavy-duty trucks, heavy construction equipment, and agricultural machinery. Using Fundamentals of Medium/Heavy Duty Commercial Vehicle Systems (Duffy & Wright, 2016) and Fundamentals of Mobile Heavy Equipment (Duffy, Heard & Wright, 2017) as primary references, students will explore the design, operation, and maintenance of key powertrain components, including clutches, transmissions, torque converters, drive shafts, differentials, and final drive systems. Through a combination of theoretical instruction and hands-on lab exercises, students will develop practical skills in diagnosing, servicing, and repairing powertrain components. The course emphasizes troubleshooting techniques, emerging drivetrain technologies, and best practices for maximizing system efficiency and longevity. This course is ideal for aspiring technicians, mechanics, and industry professionals seeking to build expertise in heavy-duty powertrain systems. (Lecture: 12.00 Hours, Lab: 60.00 Hours)

SOC-221: Professionalism and Employment Readiness

Professionalism and Employment Readiness is designed to prepare the student for the job search and entry into the workplace. The course will commence with teaching the student how to construct a resume, cover letter, and thank-you note. The student will be taught essential interview techniques and will complete a mock interview. The course will conclude with an overview of the basic concepts of professionalism in the workplace. (Lecture: 24.00 Hours, Lab: 0.00)

HDC-160: Heavy Diesel-Powered Trucks and Equipment Maintenance

Heavy Diesel-Powered Trucks and Equipment Maintenance provides an in-depth introduction to the maintenance and repair of heavy diesel-powered trucks and mobile-heavy equipment, with a strong foundation in both theoretical knowledge and hands-on experience. Drawing from Fundamentals of Medium/Heavy Duty Commercial Vehicle Systems (Duffy, Wright, 2016) and Fundamentals of Mobile Heavy Equipment (Duffy, Heard, Wright, 2017), students will explore the fundamental systems and components that power and control heavy-duty vehicles and equipment used in construction, agriculture, and transportation industries. Through a blend of classroom instruction and practical lab/shop work, students will gain essential skills in diagnostics, service, and preventive maintenance procedures for a variety of heavy trucks and off-road equipment. Key topics include diesel engine operation, powertrain systems, electrical systems, hydraulics, chassis and suspension, and safety practices. Emphasis is placed on developing problem-solving skills and technical competency using industry-standard tools and procedures. Students will work with real-world examples of heavy construction machinery, agricultural equipment, and heavy-duty trucks, preparing them for entry-level positions in the diesel and heavy equipment service industry or further specialized training. (Lecture: 12.00 Hours, Lab: 42.00 Hours)

 CDL-141: Basic Commercial Driving 2

The Basic Commercial Driving 2 course is designed to prepare students to obtain a Commercial Driver’s License (CDL) in the state of Pennsylvania, in compliance with the Federal Motor Carrier Safety Administration’s (FMCSA) Entry-Level Driver Training (ELDT) requirements. The curriculum combines theory-based instruction with practical, behind-the-wheel training to ensure students are fully equipped for both the CDL knowledge and skills tests. Using the Pennsylvania Commercial Driver’s License Manual and FMCSA-approved ELDT curriculum, students will learn the fundamentals of commercial vehicle operation, including vehicle inspection, basic control, shifting, hazard perception, and safe driving practices. Special emphasis is placed on the mastery of air brake systems and hazardous materials (HazMat) regulations, preparing students for optional endorsements that enhance job opportunities and professional credentials. The hands-on portion of the course provides real-time truck operation experience in a controlled training environment, covering skills such as backing maneuvers, turning, coupling/uncoupling, and road driving under varied conditions. Upon successful completion, students will be qualified to take the Pennsylvania CDL exams and apply for additional endorsements in Air Brakes and Hazardous Materials. (Lecture: 0.00 Hours, Lab: 109.00 Hours)

COM-130: Technical Writing

Technical Writing involves the study and practice of writing in professional settings. It is designed to help students learn and apply concepts of effective written communication appropriate for careers in technical and trade fields. The course will help the student develop the essential skills of a professional technical communicator with an emphasis on producing clear and effective written communications. Topics presented in the class include identifying keys to effective writing, characteristics of job-related writing, the writing process, collaborative writing, electronic communications, preparing professional correspondences, designing documents, writing instructions and procedures, writing short reports and proposals, and preparing presentations. (Lecture: 36.00 Hours, Lab: 0.00 Hours)

MTH-131: Technical Mathematics

Technical Mathematics is designed to teach mathematical concepts that will allow the student to become proficient in mathematics commonly used in various technical and trade fields. Course topics include manipulations of whole numbers, fractions, decimals, ratios, and measurement systems. The student will be taught to work with exponents, roots and radicals and will be introduced to basic principles of algebra, plane geometry, triangle trigonometry, vectors, and quadratic equations. (Lecture 48.00 Hours, Lab: 0.00 Hours)

HDC-143: Air conditioning Systems

Air conditioning Systems offers a comprehensive study of mobile air conditioning systems as applied to heavy-duty trucks and mobile heavy equipment. Using Fundamentals of Medium/Heavy Duty Commercial Vehicle Systems(Duffy, Wright, 2016) and Fundamentals of Mobile Heavy Equipment (Duffy, Heard, Wright, 2017) as core texts, students will explore the theory, operation, diagnosis, and repair of HVAC systems in both on-road and off-road heavy vehicles. Classroom instruction covers essential topics such as refrigerant properties, heat transfer, system components, and regulatory standards. In the lab/shop environment, students will apply their knowledge through hands-on activities involving system inspections, performance testing, leak detection, evacuation and recharge procedures, and component replacement on a variety of heavy construction equipment and heavy-duty trucks. Students will also prepare for and have the opportunity to earn the MACS Section 609 Certification, which is required by federal law for any technician servicing motor vehicle air conditioning systems. (Lecture: 6.00 Hours,Lab: 48.00 Hours)

HDC- 231: Hydraulic Symbols and Schematics

Hydraulic Symbols and Schematics provides a focused study on the interpretation and application of hydraulic symbols and schematics used in heavy-duty trucks and mobile heavy equipment. Students will learn to read, analyze, and troubleshoot fluid power diagrams as a foundation for understanding hydraulic systems in both on-road and off-road machinery. Drawing from How to Interpret Fluid Power Symbols (McLaren, 1995) and Fundamentals of Mobile Heavy Equipment (Duffy, Heard, Wright, 2017), the course combines theoretical instruction with practical training using the Amatrol Hydraulic Trainer. Students will explore industry-standard hydraulic symbols, circuit functions, and schematic design principles critical for diagnostics and system servicing. Through hands-on lab exercises, students will build and test hydraulic circuits, trace fluid flow paths, and diagnose faults using schematics—preparing them for real-world maintenance and repair tasks on construction and agricultural equipment as well as heavy-duty vehicles. (Lecture: 1.00 Hour, Lab: 23.00 Hours)

HDC-232: Hydraulic Systems

Hydraulic Systems provides a comprehensive study of hydraulic systems as used in mobile heavy equipment, agricultural machinery, and heavy-duty trucks. Based on Fundamentals of Mobile Heavy Equipment (Duffy, Heard, Wright, 2017), students will gain both theoretical knowledge and practical experience with modern hydraulic systems essential to the operation of diesel-powered vehicles and equipment. The course covers the principles of fluid power, system components, pressure and flow control, hydraulic fluid properties, filtration, and system diagnostics. Through hands-on learning with the Amatrol Hydraulic Trainer and a variety of real-world equipment—including diesel engines, transmissions, attachments, and off-road machinery—students will learn to inspect, service, and troubleshoot hydraulic circuits and components in both classroom and lab/shop settings. Students will also work with operational schematics to trace and analyze fluid flow in various systems, preparing them for real-world diagnostics and repair in industries such as construction, agriculture, mining, and transportation.  (Lecture:6.00 Hours, Lab: 48.00 Hours)

HDC-195: Equipment Maintenance Externship

During the Equipment Maintenance Externship, students will complete an externship at an Equipment repair facility to experience real world workplace situations including settings in the shop and on the road working with technicians, in the service areas focusing on customer interaction, as well as in the parts, sales, and rental departments. This valuable on-the-job experience is intended to enhance the knowledge and skillsgained from course work in the Heavy Diesel Construction – Case Construction Emphasis Program.(Lecture: 0.00 Hours, Lab: 0.00 Hours, Externship: 240.00 Hours)

HDC-221: Construction Equipment Power Systems

Construction Equipment Power Systems will cover the major fuel components of engines along with the addition of Tier 4 emissions. Students will also revisit the basics of hydraulics through online modules with Case New Holland (CNH) Web University. (Lecture: 12.00 Hours, Lab: 48.00 Hours)

HDC-222: Construction Equipment Electrical and Electronic Systems

Construction Equipment Electrical and Electronic Systems is designed as an introduction to electrical systems used in agriculture and construction equipment. Upon completion of this course, the student will have a basic understanding of the theory and basic principles of electrical systems. The students will learn how to test basic electrical systems and the application of troubleshooting techniques. After covering the basic electrical the students will learn how to set up, maintain, and proficiently use the Case Electronic Service Tool (EST). This course will also include programming equipment with the EST. (Lecture: 12.00 Hours, Lab: 48.00 Hours)

HDC-271: Construction Equipment 1 Excavator and Skid Steer

The Construction Equipment 1 Excavator and Skid Steer course consists of introductory information regarding the Case New Holland and Kobelco line of compact excavators and shop training that addresses troubleshooting, diagnostics and repair of the hydraulic systems, electrical systems and power train on the Case New Holland (CNH) Compact Excavators. This course also consists of classroom and shop training that addresses troubleshooting, diagnostics, and repair of the hydraulic systems, electrical systems and power train on the Case Skid Steers. Emphasis will be placed on the Electro-Hydraulic (EH) controls on the ‘Alpha / 200’ series machines and will apply to both Tier III and Tier IV units. This course will outline steps the technician will use to troubleshoot EH control units using the Electronic Service Tool (EST). (Lecture: 12.00 Hours, Lab: 48.00 Hours)

PHY-155: General Physics

General Physics is designed to provide the student with an algebra-based introduction to the general concepts and principles of physics. Course topics will include forces and motion including motion in one and two dimensions, circular motion, rotational motion, equilibrium and elasticity. The course will also include principles of impulse and momentum, energy and work, thermal properties of matter, fluids, electric fields and forces, electric potential, current and resistance. (Lecture: 48.00 Hours, Lab: 0.00 Hours)

SOC-151: Customer Service

The Customer Service course is designed to help the students develop a heightened awareness of the challenges and opportunities in customer service. In this course, the student is introduced to a variety of skills including identifying customer behavior, determining customer needs through active listening, becoming an effective verbal and nonverbal communicator, honing telephone customer service skills, handling difficult customers, encouraging customer loyalty, and practicing service recovery. (Lecture: 18.00 Hours, Lab:24.00 Hours)

SOC-233: Introduction to Leadership

Introduction to Leadership is designed to introduce the student to principles of leadership including, leadership theories, styles of leadership, motivating employees, team-building and conflict management. Upon completion of the course, the student will demonstrate an understanding of principles related to ethics and whistleblowing, giving praise, networking, giving instructions, situational communication and conflict mediation. (Lecture: 48.00 Hours, Lab:0.00 Hours)

HDC 272: Construction Equipment 2 Compact Wheel Loader and Backhoe Loader

Construction Equipment 2 Compact Wheel Loader and Backhoe Loader consists of classroom and shop training that addresses troubleshooting, diagnostics and repair of the hydraulic systems, electrical systems and power trainon the New Holland Compact Wheel Loaders W50c and W80C and the Case Compact Wheel Loaders 21F, 121F, 221F & 321F. This course also consists of classroom and shop training covering the theory, operation,troubleshooting, and diagnosis of hydraulic, electrical, electronic, and power train systems used on the new Case N Series Tier 4B Final Loader Backhoe models. (Lecture: 12.00 Hours, Lab:48.00 Hours)

HDC 273: Construction Equipment 3 Wheel Loader

The Construction Equipment 3 Wheel Loader course will also consist of classroom and shop training that addressestroubleshooting, diagnostics, and repair of the hydraulic, electrical and power train systems on the Case (521 through 1121) ‘F’ series wheel loader models. (Lecture: 12.00 Hours, Lab:48.00 Hours)

HDC 274: Construction Equipment 4 Bulldozer and Road Grader

The Construction Equipment 4 Bulldozer and Road Grader course consists of classroom and shop training focused on system operation, diagnostics, and repair of the hydraulic, electrical, and the hydrostatic power train systems on Case Crawlers Dozer models: 750M, 850M, 1150M, 1650M, and 2050M. This course will also consist of classroomand shop training focused on familiarization of system operation, diagnostics, and repair of the hydraulic system, electrical system, and power train on the Case Motor Grader models: 845B, 865B, and 885B.  (Lecture: 12.00 Hours, Lab:48.00 Hours)

HDC 275 Construction Equipment 5 Compaction Rollers

The Construction Equipment 5 Compaction Rollers course consists of classroom and shop training that addresses troubleshooting, diagnostics, and repair of the hydraulic systems, electrical systems, the closed-loop hydrostaticdrive system and power train on the Vibratory Compaction Single Drum Rollers, Double Drum Rollers, and the Pneumatic Tire Roller. (Lecture: 12.00 Hours, Lab:48.00 Hours)