Diesel Technology Classes
A Hands-On Diesel Mechanic School
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Learn to Tear Down, Tune-up, and Rebuild Diesel Vehicles in Only 9 Months
Diesel technicians are in high demand within the diesel industry. You are at the forefront of the transportation world. You break the mold and forge your own path, fueling the future of vehicles. At WyoTech, we aim to provide an unparalleled experience with our Diesel Technology program. With the skills you’ll learn from our shop, you’ll have the ability to make a living practically anywhere. We’re focused on more than education; we want you to graduate with an impressive toolbox of knowledge, hands-on experience, and a crew that has your back.
You’ll be attending a diesel technology school that’s well-known across the industry.
50% of your time will be spent working in the shop!
What’s Different About WyoTech’s Diesel Technology Program?
We pride ourselves on developing young minds in programs we know they can succeed at. WyoTech is a name you can include on your resume with pride. Many of our diesel program students graduate to move into successful careers at premier diesel companies. What truly makes our Diesel Technology program unique is the efficiency and knowledge we provide our students. Our diesel tech instructors are hand-selected with years of previous experience working on the diesel shop floor, so you’ll get firsthand experience working with pros.
Family is a big part of who we are, and our school community is another thing that makes us stand out. We want our students to get to know one another and feel comfortable connecting and collaborating with each other and our faculty. If you want to attend a well-known school where you can learn quickly, have a community, and develop incredible skills, WyoTech is the place for you.
Your program will consist of 6 weeks of
Get more details on each course below.
Certified Diesel Techs are in High Demand
No matter where you go, the skills you acquire through our Diesel Technology program will give you the ability to make a living—no matter if it’s in the middle of acres of farmland or somewhere with an ocean view. Although job placement isn’t guaranteed, our career services team works hard with our employer partners to place as many students as possible.
$60,640
U.S. Median Wage (2024)
25,600+
U.S. Job Openings
(2023-2033)
3%
U.S. Job Growth
(2023-2033)
Engines
We’ll teach you the tools of the trade, then immediately put them to use pulling apart and rebuilding a Cummins, CAT, or Detroit engine. Throughout the course, you’ll get familiar with troubleshooting and diagnosing; performing tune-ups on all major diesel engine brands; adjusting and running heavy-duty engines; and navigating brand-specific websites.
- Use precision measuring tools
- Rebuild and repair engines
- Perform overhead valve adjustments
- Gain experience in mechanical troubleshooting
Engine Management Systems
We’ll set codes on the engine you’re working on; it’ll be your job to tell us what’s wrong, utilizing manufacturers’ step-by-step diagnosis process that includes the use of websites for CAT, Cummins, and Detroit. Additionally, you’ll go through the process of understanding the concept of multiplexing and can-bus in regen, and explore the latest technology for diesel management from the engine, to exhaust, to diagnostics.
- Learn the basics of electrical theory
- Practice troubleshooting using scan tools, multimeters, and other equipment and industry tools
- Understand the basics to circuits, starting and charging systems, multiplexing, and more
Powertrains
This phase is where we’ll lay your foundation in antilock brake systems and automatic traction control systems. We start with differentials, then move through hubs, kingpins, and steering. During the course, you’ll get to overhaul an Eaton-Fuller manual transmission; pull, inspect, and measure tolerances on clutches; pull and inspect single- and double-gear reduction differentials; work on and adjust brakes; and work on computer-controlled manual transmissions.
- Learn failure analysis and troubleshooting
- Develop skills in clutch and transmission repair and adjustments
- Work on automatic traction control systems
Fluid Power and Refrigeration
In this course, we will go over the basic understanding of hydraulics and hydraulics safety. We will cover hydrostatic drive transmissions, skid steer loaders, and repair and troubleshooting of hydraulic systems. You will learn correct use of flow meters and pressure gauges to diagnose hydraulic and hydrostatic systems. Also covered in this area are the operation, testing and servicing of in-cab air conditioning and transport refrigeration. This phase offers the opportunity to get a 608 and 609 EPA certification for HVAC service and repair.
- Gain hands-on experience in hydraulic system troubleshooting and repair
- Learn to rebuild hydraulic pumps and cylinders
- Troubleshoot, diagnose, and repair in-cab air conditioning and transport refrigeration systems
Specialty Program
Most Diesel students choose Advanced Diesel, Chassis Fabrication, Applied Service Management or High Performance Powertrains, all of which are designed to complement the skills you’ve learned in the Diesel Technology program and help you stand out to employers in the industry.
Industry Certifications Available
- Snap-On 525F Multimeter Certification
- 608 EPA License Certification
- 609 EPA Certification
- 5 – ASE Student Certifications
- Freightliner Get-Ahead Certification
- Kenworth Essentials Training
Core Program Start Dates
June 30, 2025
September 26, 2025
December 29, 2025
Diesel Tech FAQs
Is it hard to learn diesel mechanics?
Taking the Diesel Technology program at WyoTech makes learning diesel mechanics/technology manageable. We focus on teaching with more hands-on work than only books and homework. Studies are very important, but getting greased up and working in the shop is what will prepare you for real-world experiences.
How long does it take to become a diesel technician?
Our Diesel Technology degree program takes 6 months to complete. To graduate with your diploma, it takes a total of 9 months since a 3-month course in one of our specialty programs is necessary to complete. Other diesel technology courses take a minimum of 1 year to complete and be job-ready–then there’s the job searching after you graduate. With WyoTech, we have various business partner opportunities that our career services team can *help you with.
*Job positions aren’t guaranteed.
Is becoming a diesel technician a good career choice?
Yes, being a diesel technician is a great career choice. The diesel technician job market has opened up immensely over the past few years. We’ve seen higher demand, better salaries, and requests for well-educated technicians drive up.
How much do diesel technicians earn?
According to Indeed (2023), the median salary for diesel technicians in the U.S. is $82,051. What you make will depend on experience level, the state that the job resides, and what the job requires.