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Pursue a Career in Diesel Mechanics & Heavy Truck Maintenance

The online Diesel Mechanics & Heavy Truck Maintenance program covers basic diesel engine operations, troubleshooting and repair and more. The program helps you to prepare for the National Institute for Automotive Service Excellence (ASE) Certification Medium-Heavy Truck Tests. You can complete this program in as little as seven months, training online — at home or on the go — at a pace that’s right for you.

Prepare to Take the ASE Certification Exam

Penn Foster College's Diesel Mechanics & Heavy Truck Maintenance program's up-to-date content helps you to prepare for the National Institute for Automotive Service Excellence (ASE) Certification Medium-Heavy Truck Test. The ASE certification is a respected industry certification that can strengthen students' resumes as they explore career opportunities.
Automotive Service Excellence Certification
Heavy Truck/Diesel Mechanic

Why Become a Diesel Mechanic?

Diesel mechanics work on engine operations and computerized management systems for trucks and other diesel vehicles. There are a lot of opportunities for diesel mechanics, including automobile, truck, and bus servicing, industrial or government fleet servicing, manufacturers, and repair shops or service stations, or even starting your own business. This program is beneficial to students with no previous diesel mechanic experience or students who have previous jobs in the industry. According to the U.S. Bureau of Labor Statistics’ Occupational Outlook Handbook, the average annual diesel mechanic salary was $45,170 in 2016.¹
Why Choose Penn Foster College?
Start and Study When You Want
Learn at home or on the go through our custom-designed, mobile-friendly student portal, available 24/7.
Dedicated Success Coaches
Dedicated Success Coaches
You're guided by Certified Instructors, Success Coaches, Teaching Assistants, and Student Support Staff - all working to help you succeed.
Curriculum for Success
Curriculum for Success
Get the skills and knowledge you need to help you prepare for a job in the Diesel Mechanics/Heavy Truck Maintenance field.​
Self paced
Set Your Goals and Pace
Customize your study and exam schedule with progress-tracking and goal-setting tools that keep you moving forward.​
Proven Reputation
With 44,000 graduates in 2017 from our regionally and nationally accredited High School and Career School and nationally accredited College, you're in good hands!
Connect with Other Students
Connect in real-time with other Diesel Mechanics/Heavy Truck Maintenance students as part of the Penn Foster Community.
Student Experience

A Customized Learning Experience

With mobile-friendly coursework, progress-tracking and goal-setting tools, virtual simulations, informative videos, and personal coaches to help you succeed, the Penn Foster Experience (PFx) is online learning like no other.

Diesel Mechanics Course Details

The Penn Foster Diesel Mechanics Career Diploma program is designed to help students learn how to become a diesel mechanic and prepare to sit for the Medium/Heavy Duty Trucks ASE certification exam upon completion of the program. The course outline includes lessons on repairing diesel engines, brake systems, shop safety practices, and more.
Penn Foster Curriculum
Snap-on Student Excellence Program

Snap-on Student Excellence Program

Students enrolled in the Diesel Mechanics/Heavy Truck Maintenance training program are eligible to participate in the Snap-on Student Excellence Program. This program allows students in trades and technology education programs to purchase high-quality Snap-on tools at a preferred student discount.

Important State Requirements: Be sure to check here for the requirements in your state.

Diesel Mechanic Tuition

With flexible, affordable payment options, you can get started on your Diesel Mechanics/Heavy Truck Maintenance training online today.
Penn Foster gave me a well rounded understanding of my duties, even some that I haven't performed yet.
Bruce M.
Diesel Mechanics/Heavy Truck Maintenance Graduate
Diesel Mechanics Student
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Get started today on your path towards a career as a Diesel Mechanic with Penn Foster College’s accredited, online program.

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Hundreds of leading employers and workforce organizations partner with Penn Foster to attract, develop, and retain talent for today’s in-demand middle skilled occupations.

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¹ Bureau of Labor Statistics, U.S. Department of Labor, Occupational Outlook Handbook, 2016-17 Edition, Diesel Service Technicians and Mechanics, on the Internet here.