Diesel Technician apprentices diagnose, adjust, repair, or overhaul buses and trucks, or maintain and repair any type of diesel engines.

Learners will use troubleshooting techniques to make a quick and accurate diagnosis of problems, and make necessary adjustments and repairs. Topics will include diesel engines, suspension and steering, preventative maintenance and electrical and electronic systems. This program ladders fully into the Diesel Technology Associate Degree program.

View Curriculum

Terms of Apprenticeship

  • 2-year program
  • 4,000 hours on-the-job training
  • 423 hours of paid related instruction
  • Transition-to-Trainer course will be completed in the final year of the apprenticeship

Get Started

2022–23 Curriculum

First Term (Fall)

COLLEGE 101   #10-890-165

Examines proven strategies designed to help learners achieve greater personal, academic, and professional success. Learners will apply personal responsibility thinking and behaviors; self- management, awareness, and motivation strategies; as well as interdependence skills to develop a proactive life plan.


Analyzes the fundamentals of electricity and electrical safety. Explores Ohm’s Law, use of a digital multimeter, wiring and components.

DIESEL BRAKE SYSTEMS 1   #10-412-119

Focuses on the air brake system's component operation and brake maintenance for trucks and tractor/trailer combinations. In this course, learners will learn to perform overhaul procedures for cam style brake systems.


Discusses the importance of vehicle maintenance and inspections on commercial motor vehicles. Also introduces the techniques for performing proper maintenance and inspections.


Expands on the principles of basic electricity and application. Wiring diagram interpretation and utilization are introduced and practiced. Learners will also begin to apply their knowledge on the battery and starting systems. Pre/Corequisite: 10-412-118 DIESEL ELECTRICAL SYSTEMS 1.


Explores the operation, maintenance and overhaul of various heavy-duty steering and suspension systems. Wheel alignment diagnosis, adjustment and repair will be examined. Pre/Corequisite: 10-412-126 HEAVY DUTY SUSPENSION STEERING 1.

DIESEL BRAKE SYSTEMS 2   #10-412-125

Explores wedge and disc air operated foundation brakes, as well as heavy-duty hydraulic brakes. Provides the opportunity for learners to test and troubleshoot the entire air and hydraulic brake systems. Introduces learners to ABS systems found in trucks.


Introduces fastener identification and torque as it relates to equipment repairs. In the lab setting, proper torque techniques and concerns are discussed and practiced.


Focuses on the DOT's criteria for performing annual inspections. Also covers record-keeping requirements, liability concerns, and offers the opportunity to earn an annual inspection certificate upon successful completion of the test. Pre/Corequisite: 10-412-120 DIESEL PREVENTATIVE MAINTENANCE 1.


Compares equipment and techniques used in the major arc welding and thermal cutting processes. Learners perform introductory level welds in the SMAW, GMAW, FCAW and GTAW processes. Learners also perform material preparation skills including shearing, grinding and thermal cutting. Condition: Accepted into a Welding Associate Degree program or Technical Diploma, Electromechanical Technology, Automotive Technology or Diesel Technology Associate Degree program or Automotive Technician, Diesel Equipment Mechanic, Machine Tool, Manufacturing Technician or Agriculture Equipment Technician Technical Diploma, or with Dean or Associate Dean approval.


Learners will be instructed on the legal and situational components covered in the testing for a Commercial Learner Permit (CLP). During this course, learners will have the opportunity to successfully complete the Department of Motor Vehicle administered CLP testing. Pre/Corequisite: 10-458-100 TRUCK DRIVING 1. Condition: Accepted into the Truck Driving TD, Electrical Power Distribution TD, Gas Utility Construction Service TD, Diesel Technology AD or Diesel Equipment Mechanic TD or with Dean approval.

Second Term (Spring)

DIESEL DRIVE TRAIN 1   #10-412-108

Focuses on the various components that comprise the heavy duty drive train of heavy duty trucks and tractors. Learners will learn to service and adjust heavy duty clutches. Learners will also learn overhaul procedures on axles and differentials, as well as service procedures for driveshaft components.

DIESEL DRIVE TRAIN 2   #10-412-109

Instructs learners on the fundamentals of heavy duty transmissions. Learners will learn to overhaul manual and automatic shifting heavy transmissions, how to troubleshoot and repair fully automatic and automatic shifting manual transmissions and how to read wiring schematics and test data-link communications. Pre/Corequisite: 10-412-108 DIESEL DRIVE TRAIN 1.

DIESEL ENGINES 1   #10-412-121

Explores diesel engine theory and operation. Also provides the learner with a diesel engine component overview.


Emphasizes schematic interpretation with applications towards diagnosis and repair. In depth lighting, gauge, battery, starting and charging systems and their diagnostic strategies will be examined. Through a lab setting, learners will implement meter usage and electrical testing. Prerequisite: 10-412-123 DIESEL ELECTRICAL SYSTEMS 2.

DIESEL ENGINES 2   #10-412-129

Expands on engine component function and understanding through cylinder head disassembly and evaluation. Engine clean care, proper tune-up procedures and application of service tools is also emphasized. Pre/Corequisite: 10-412-121 DIESEL ENGINES 1.


Develops writing skills which include prewriting, drafting, revising and editing. A variety of writing assignments are designed to help the learner analyze audience and purpose, research and organize ideas and format and design documents based on subject matter and content. Also develops critical reading and thinking skills through the analysis of a variety of written documents.

HEAVY DUTY HVAC   #10-412-114

Examines the basic theory and operation of an HVAC system. Explores system components, functions and tools. Through lab and lecture, we will cover diagnostics and repair, as well as proper refrigerant recovery, recycling and handling procedures. Learners are also introduced to trailer reefer units and their common componentry and operations.

Get Started

You must be employed by a company/organization that is willing to participate in an apprenticeship program. Each employer has their own requirements for entry into the apprenticeship program. Contact your employer’s human resources department to see what is available.


If you have questions about this apprenticeship or the application process, please contact our Admissions team.