What Topics Are Covered in an Online Diesel Mechanics Class?

Diesel mechanics are responsible for the diagnosis and service of vehicles with diesel engines, including buses, trucks, bulldozers and cranes. Read on to learn about online training programs for aspiring diesel mechanics. Schools offering Diesel Mechanics degrees can also be found in these popular choices.

An Overview of Diesel Mechanics

The sophistication of diesel-powered vehicles requires an understanding of the most up-to-date information, equipment and skills for servicing the systems and components. Many people enroll in a formal training program to learn the required skills and become diesel mechanics. Employers generally give hiring preference to mechanics who have graduated from an accredited program. Many community colleges, technical schools and vocational institutions provide online diesel mechanic classes that lead to an associate's degree or a certificate in diesel mechanics.

Important Facts About This Field of Study

Online Availability Fully
Possible Careers Automobile servicing, industrial fleet servicing, a repair shop employee
Prerequisites High school diploma or equivalent
Key Skills Detail oriented, persistent, problem-solving
Median Salary (2018) $47,350 (for diesel service technicians and mechanics)*
Job Outlook (2016-2026) 9% (for diesel service technicians and mechanics)*

Source: *U.S. Bureau of Labor Statistics

Common Topics in Diesel Mechanics Classes

Many online diesel mechanics classes cover the following topics:

Diesel Systems and Troubleshooting

This course teaches the maintenance and service processes for the cooling systems, fuel systems and lubrication systems. It also looks at Detroit diesel engines, including tune-ups, troubleshooting, how to test the air system class and fuel source and how to install a fuel injector.

Basic Diesel Engines

This course covers the basics of diesel engine construction and operating concepts, including an examination of the engine's internal components, their purpose and their operation.

Caterpillar Fuel Systems

Students learn about the principles and theories of the Caterpillar fuel system and its various parts, such as fuel mechanisms, injection apparatus and pollution control devices.

Engine and Generator Alignment

The course examines crankshaft and generator armature malfunctions, the reasons for these problems and the proper methods for measuring and replacing a generator assembly.

Tune-up and Troubleshooting

Students investigate the design, tune-up and analysis of cylinders as well as the evaluation of the air components and fuel processes.

Heavy Duty Air Brakes

Students concentrate on the operation, repair and rebuild process of the air management system and braking apparatus that is used in heavy-duty trucks and off-road equipment.

To continue researching, browse degree options below for course curriculum, prerequisites and financial aid information. Or, learn more about the subject by reading the related articles below:

  • 1. Degree Options:
The schools in the listing below are not free and may include sponsored content but are popular choices among our users. Tuition and costs will vary across programs and locations. Be sure to always request tuition information before starting a program.

Popular Schools

  • Penn Foster

    Penn Foster responds quickly to information requests through this website.

    Popular programs at Penn Foster:

    • Certificates

    Online Programs Available

  • Penn Foster High School

    Penn Foster High School responds quickly to information requests through this website.

    Popular programs at Penn Foster High School:

    Online Programs Available

  • University of Alaska

    Campus Locations:

    • Alaska: Anchorage
  • Oklahoma State University

    Campus Locations:

    • Oklahoma: Okmulgee
  • Milwaukee Area Technical College

    Campus Locations:

    • Wisconsin: Milwaukee
  • Yavapai College

    Campus Locations:

    • Arizona: Prescott
  • Wilson Community College

    Campus Locations:

    • North Carolina: Wilson
  • Williston State College

    Campus Locations:

    • North Dakota: Williston
  • Pearl River Community College

    Campus Locations:

    • Mississippi: Poplarville
  • Wilkes Community College

    Campus Locations:

    • North Carolina: Wilkesboro