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Schools for Diesel Engine Training

Diesel mechanic schools train students to become professional diesel service technicians and mechanics. Diesel tech training programs around the country provide hands-on and classroom training for students interested in working with truck engines, buses, and heavy equipment vehicles, and students learn how to work on automotive engines and diesel fuel and ignition systems. Since diesel mechanics require very specialized training, they need to take specialized courses in the field of automotive technology and diesel technology to be successful in their field.

Programs at Diesel School

Diesel school prepares students to become professional service technicians and mechanics, including bus and truck mechanics, and diesel engine specialists. Diesel engine school programs provide in-depth training to work on other types of heavy vehicles and equipment, including cranes, road graders, bulldozers, farm tractors and combines. Students may also take specialized courses for training in diesel-powered passenger automobiles, boats and light trucks.

The primary goal of these programs is to provide in-depth training in the repair and diagnosis of modern hi-tech diesel vehicles and gas-powered vehicles. Students learn about ignition control systems, power training tuning and modifications, rotating and reciprocating assemblies, chassis dynamometer verification and engine block design amongst other specialized subjects.

What to Expect at Diesel Engine School

Students can attend a trade school offering diesel engine training programs to acquire the skills and knowledge they need for a successful career in the field. Schools can provide hands-on training for students working with machines produced by some of the major diesel engine manufacturers in the industry, including Caterpillar, John Deere, Cummins and Detroit Diesel.

In addition to general mechanic classes, students can choose to specialize in certain types of courses, including:

  • Applied Service Management
  • Light-duty Diesel
  • Advanced Diesel Technology
  • Street Rod and Custom Fabrication
  • Automotive and Diesel Combination
  • High Performance Powertrain

Since many of the roles and responsibilities of diesel service technicians involve working directly with engines and exhaust systems, students spend a significant time working with power tools, grinding machines to rebuild brakes, welding tools for repairing exhaust systems, and jacks and hoists to move large parts of the engine. Some diesel mechanic schools also provide computer training so that students can learn the programs and processes used in the modern day mechanic shop.

Diesel Tech Training

The basic diesel tech training program trains students in diesel engine theory, cooling systems, lubrication systems, engine performance, induction exhaust and after-treatment systems, charging systems, power train principles, heavy-duty clutches, brake air systems, steering alignment, transport refrigeration and hydrostatic systems.

Students may take courses in:

  • Power Train and Performance
  • Engine Management Systems and Accessories
  • Fluid, Power and Electrical Systems
  • Diesel Engines

These courses prepare students for entry-level and management positions as a retail service technician, aftermarket parts research and development specialists, engine builders, fleet management and custom painting amongst others.

Diesel technicians are trained to work with many customers' needs and keep up with the latest technologies and advancements in the industry. They learn how to handle all kinds of repairs, work on a vehicle's electrical system, and understand how microprocessors regulate and manage fuel injection and engine timing. Technicians are also trained to work with hand-held computer systems and laptops to diagnose different types of engines and adjust engine functions.

Students who cannot attend a diesel school in their area may be able to take automotive repair and diesel engine repair courses at a local community college or vocational school. Training programs at a community college or vocational school can last from six months to two years, and may lead to a certificate of completion, or an associate degree.

Careers After Training at Diesel Mechanic Schools

Graduates may consider a career in the following areas:

  • Heavy Equipment Maintenance
  • Locomotive Maintenance
  • Fleet Maintenance
  • Dealership Services
  • Aftermarket Parts Development
  • Aftermarket Parts Specialist
  • Over-the-Road Truck Maintenance

Most diesel service technicians work in a well-lighted and ventilated area, but some may be required to work on the road or at the jobsite. Technicians may work as a team, or be assisted by an apprentice.


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