Diesel Mechanics Courses and Classes

See what classes you could be required to take in a diesel mechanic program. Read about common education levels for this topic, and get key information on the curriculum.

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Essential Information

Diesel mechanics work with the engines that power the transportation, construction, farming and shipping industries. Students interested in becoming diesel mechanics may find programs in diesel and heavy equipment mechanic, diesel technology or diesel technician. Programs may result in a certificate, diploma or associate degree, all of which may take from 1-2 years to complete.

Technical schools and community colleges primarily offer programs in this field. Training typically includes both classroom training and hands-on experience, such as assembling and disassembling an engine or completing tuneups. Along with general education and core classes, some programs may allow students to choose an area of concentration, such as high performance powertrain.

List of Courses in Diesel Mechanics

The following course descriptions are typical subjects covered in a diesel mechanic undergraduate program.

Introduction to Diesel Engines Course

The first course in a diesel mechanic training program covers the configuration of diesel engines and how they work. Students get their first look at primary engine systems, including the electrical, brake, exhaust and hydraulic systems. Coursework includes general maintenance and repair of diesel engines. This is a required class.

Diesel Engine Systems Course

Students are generally also required to enroll in a class on diesel engine systems. Diesel mechanic trainees get an expanded look at major engine systems, including computers, hydraulics, suspension and steering, electrical and air conditioning specifically for diesel engines. Instructors teach students to inspect diesel engine systems, maintain each system and repair it as needed. Students are prepared to continue with advanced coursework in system-specific maintenance and on particular brands of diesel engines.

Diagnostic Techniques Course

Diagnostic skills are essential for diesel mechanics. Diesel mechanics learn to determine the cause of and solutions to common and uncommon diesel engine problems. Students learn to use diagnostic tools, including how to use computers and read information provided by sensors to visual checks and verbal communications with diesel engine operators. Students in this class also practice their skills on diesel engines using applicable tools and technology.

Diesel Trade and Technical Knowledge Course

In this class, students get an overview of the work flow in a typical diesel shop. Students learn to use hand and power tools and keep them in good working order. Course topics also cover the use of heavy equipment like hoists and jacks. Safe working practices are emphasized, including first aid skills and how to use safety gear, such as protective eyewear. Most courses also cover working with and disposing of hazardous materials safely.

Diesel Engine Operation Course

In this course, required by some programs, students learn to operate a diesel engine. Students complete this course with the ability to perform the appropriate safety checks before driving a diesel engine truck and maneuver it forward, backward and through turns.

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Marine Diesel Mechanics Schools and Colleges

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  • Minimum eligibility requirements:
    • Must be a high school graduate or have completed GED
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  • School locations:
    • Idaho (1 campus)
    Areas of study you may find at Boise State University include:
      • Graduate: Master
      • Non-Degree: Certificate, Coursework, Diploma
      • Post Degree Certificate: Postbaccalaureate Certificate
      • Undergraduate: Associate, Bachelor
    • Mechanic and Repair Technologies
      • Construction Management and Trades
      • Electrical Repair and Maintenance
      • Heating, Air Conditioning, Ventilation, and Refrigeration Maintenance
      • Heavy Equipment Maintenance
      • Precision Metal Working
      • Vehicle Repair and Maintenance
        • Autobody Repair
        • Automotive Mechanics
        • Diesel Mechanics
        • Small Engine Mechanics
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    • Mississippi (1 campus)
    Areas of study you may find at Pearl River Community College include:
      • Non-Degree: Coursework, Diploma
      • Undergraduate: Associate
    • Mechanic and Repair Technologies
      • Construction Management and Trades
      • Heating, Air Conditioning, Ventilation, and Refrigeration Maintenance
      • Precision Metal Working
      • Vehicle Repair and Maintenance
        • Automotive Mechanics
        • Diesel Mechanics
  • School locations:
    • Alaska (1 campus)
    Areas of study you may find at University of Alaska include:
      • Graduate: Master
      • Non-Degree: Certificate, Coursework
      • Post Degree Certificate: Postbaccalaureate Certificate
      • Undergraduate: Associate, Bachelor
    • Mechanic and Repair Technologies
      • Construction Management and Trades
      • Electrical Repair and Maintenance
      • Heating, Air Conditioning, Ventilation, and Refrigeration Maintenance
      • Heavy Equipment Maintenance
      • Precision Metal Working
      • Vehicle Repair and Maintenance
        • Airframe Mechanics and Aircraft Maintenance
        • Automotive Mechanics
        • Diesel Mechanics
  • School locations:
    • Oklahoma (1 campus)
    Areas of study you may find at Oklahoma State University include:
      • Undergraduate: Associate, Bachelor
    • Mechanic and Repair Technologies
      • Heating, Air Conditioning, Ventilation, and Refrigeration Maintenance
      • Leatherworking and Upholstery
      • Vehicle Repair and Maintenance
        • Autobody Repair
        • Diesel Mechanics
  • School locations:
    • Wisconsin (1 campus)
    Areas of study you may find at Milwaukee Area Technical College include:
      • Non-Degree: Certificate, Coursework
      • Undergraduate: Associate
    • Mechanic and Repair Technologies
      • Construction Management and Trades
      • Electrical Repair and Maintenance
      • Heating, Air Conditioning, Ventilation, and Refrigeration Maintenance
      • Heavy Equipment Maintenance
      • Precision Metal Working
      • Vehicle Repair and Maintenance
        • Aircraft Powerplant Tech
        • Airframe Mechanics and Aircraft Maintenance
        • Autobody Repair
        • Automotive Mechanics
        • Diesel Mechanics
  • School locations:
    • Colorado (1 campus)
    • Indiana (1 campus)
    Areas of study you may find at Lincoln College of Technology include:
      • Non-Degree: Certificate, Coursework
      • Undergraduate: Associate
    • Mechanic and Repair Technologies
      • Electrical Repair and Maintenance
      • Vehicle Repair and Maintenance
        • Autobody Repair
        • Automotive Mechanics
        • Diesel Mechanics
  • School locations:
    • California (1 campus)
    Areas of study you may find at Stanford University include:
      • Graduate: Doctorate, First Professional Degree, Master
      • Undergraduate: Bachelor
    • Mechanic and Repair Technologies
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    • Massachusetts (1 campus)
    Areas of study you may find at Harvard University include:
      • Graduate: Doctorate, First Professional Degree, Master
      • Post Degree Certificate: Postbaccalaureate Certificate
      • Undergraduate: Associate, Bachelor
    • Mechanic and Repair Technologies
      • Teacher Education for Specific Subject Areas
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    • Pennsylvania (1 campus)
    Areas of study you may find at University of Pennsylvania include:
      • Graduate: Doctorate, First Professional Degree, Master
      • Post Degree Certificate: First Professional Certificate, Post Master's Certificate, Postbaccalaureate Certificate
      • Undergraduate: Associate, Bachelor
    • Mechanic and Repair Technologies
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