Best Online Schools for Diesel Mechanics Programs

diesel mechanics trade school

The days of repairing your truck or tractor yourself are over. Without a doubt, today’s technological advancements have spilled over into the automotive industry. As you pursue a career in diesel mechanics, you will appreciate the formal training available to keep you abreast of the ever-changing field.

Diesel mechanics work hard to repair and maintain diesel engines which can be found in heavy-duty trucks, tractor-trailer rigs, bulldozers, cranes and farm equipment. As the economy continues to grow and the transportation of goods increase, so will the need for well-qualified diesel mechanics with ASE certification. Your online career diploma will help you develop the skills needed to begin a career in diesel mechanics and generally can be earned in less than a year.

The below-referenced schools are all exceptional schools, therefore, Online Schools has chosen to rank these educators in random order, for all exhibit equivalent attributes, such as, online availability, ease of use, available financial aid, as well as, degree-specific program criteria. Our hope is that the following school suggestions will assist you in pursuing an online educational program that fits your needs.



PROGRAM STANDOUTS: Penn Foster Career School was founded by a newspaper editor named Thomas J. Foster in 1890. His goal was to provide education to the coal miners who aspired to advance in their field and to educate miners in worker safety. Eventually, Foster’s correspondence school transitioned to the online distance learning format. If you are ready to build a future in a specific trade, Penn Foster’s experienced faculty can help you achieve your goals. Penn Foster is proud to offer their students an opportunity to earn a Diesel Mechanics & Heavy Truck Maintenance career diploma. This program covers the basics of troubleshooting and repairing of diesel engines and helps the students prepare for ASE certification testing. The program can be completed is as little as seven months. Your online program will provide the knowledge and theories to help you take the first step towards working in the diesel mechanics field, however, some programs will include practical exercises in combination with suggested activities and exams to assist in helping you prepare for your new career. For additional training, you may be able to apply hands-on exercises at a local shop in your community. Classes explored will include Truck Maintenance Fundamentals, Truck Engines and Fuel Systems, as well as, Tires, Suspension and Steering, Drivelines and Transmissions, among others.


ACCREDITATION: Penn Foster Career School is nationally accredited by the Distance Education Accrediting Commission (DEAC) and regionally accredited by the Commission of Secondary Schools of the Middle States Association of Colleges and Schools.

TYPES OF AID: Penn Foster offers a quality education at an affordable price. They are willing and able to find a program that fits your budget and your lifestyle. By offering customized monthly payment plans, you can get the education you deserve… and, with 0% interest! Military rates are available. Penn Foster Career School is approved for veteran’s education benefits!

ACCEPTANCE RATE: Open Admissions

ADMISSION REQUIREMENTS: To enroll, you must be at least 17 years old and have completed the 8th grade. You may enroll online or enroll by phone. You can choose your desired program and start immediately.

PROGRAM FLEXIBILITY: Online classes at Penn Foster are asynchronous, available 24/7. In this format, you can work at your own pace. As you complete a course, you can complete your exam. If you pass, you can continue to the next class. You will have dedicated coaches to assist you in your endeavors, as well as, the capability to track your progress and take advantage of motivational tools to help you along the way. You can connect with other students in real-time, as you become an important part of the Penn Foster family.

DEGREE OUTCOMES: Completion of this program will help you to prepare for the National Institute for Automotive Service Excellence (ASE) Certification Medium-Heavy Truck Tests.





PROGRAM STANDOUTS: Originally, Ashworth began specifically offering real estate appraisal classes in 1987. As time progressed, so did Ashworth. Today, Ashworth has over 300,000 graduates and just celebrated their 30th anniversary in 2017. Ashworth College’s online diploma programs are designed to provide flexibility and convenience to all who need to start a career or enhance their present skills. Each program will help you fulfill your potential and… at a price, you can afford. Their online Diesel Mechanic training program will focus on the real-world knowledge needed to qualify you to repair and maintain heavy truck engines and specialty systems, as well as, learn safety and proper tool usage. Coursework will include Safety Work Practices, Tools and Equipment, in addition to, Heavy Vehicle Brake, Steering & Suspension, Electrical Systems and Preventative Maintenance, among many other topics.


ACCREDITATION: Ashworth College is accredited by the Distance Education Accrediting Commission (DEAC) and the Council for Higher Education Accreditation (CHEA).

TYPES OF AID:  Ashworth College’s admission advisors are happy to present you with payment plans that will fit your budget with 0% interest.

ACCEPTANCE RATE: Open Enrollment

ADMISSION REQUIREMENTS: To qualify for an online career diploma or certificate program from Ashworth, you must be at least 16 years old or have an enrollment form signed by a parent or legal guardian. These types of classes generally do not have prerequisites, unless specified. You may enroll at any time and begin your classes the same day. You will need to complete an enrollment application and set up a tuition payment plan with an admissions advisor. At the end of your admission process, you will have access to a live online orientation session, study hall and student services.

PROGRAM FLEXIBILITY: Career diploma courses are designed to be completed in four months, however, you will have up to a year, if needed, to finish. As a self-paced study, Ashworth makes it easy to achieve your goals in the field of diesel mechanics. You can access your coursework at any time of the day or night.  You will have no scheduled classes, group projects or due dates as you work at your own pace.  Your study guides are designed to help you explore key concepts in textbooks, e-books or other learning materials, as well as, gain understanding through review and practice questions. As you conclude each subject, you will then take an online exam.

DEGREE OUTCOMES:  As you complete your postsecondary training at Ashworth College, you will have the marketable skills needed to excel in the field. Diesel Technicians are in high demand as the economy depends on this innovative technology. Graduation with this career diploma will put you a cut above the rest as you take your mechanical career to the next level. Upon completion from your program, you will receive a Career Diploma and the option to participate in a live graduation ceremony.