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Diesel Technology provides a hands-on, work-based training experience and the classroom curriculum required for careers in diagnosing and repairing heavy-duty trucks, heavy equipment, medium-duty vehicles, agricultural equipment, logging equipment, forklifts, and mining equipment. Diesel Technology integrates the many components necessary to prepare students with the technical knowledge and mechanical skills required to service, repair, and test various types of machinery. An extensive curriculum prepares students to apply knowledge and skills to a wide range of diesel powered equipment applications. Diesel Technology curriculum is reviewed by an advisory board composed of local and regional industry members.



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Walla Walla Campus
500 Tausick Way
Walla Walla, WA 99362

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The mission of the Diesel Technology program is to prepare individuals for careers as Diesel and Heavy Equipment mechanics and occupations related to the field. Upon satisfactory completion, the student will meet the entry-level performance requirements.

Program Outcomes

  • Understand the construction, function, and general service of all major equipment components.
  • Diagnose mechanical malfunctions and performance problems.
  • Make decisions as to disposition of worn parts (i.e. usable as is; should be reconditioned or replaced).
  • Operate precision diagnostic and repair equipment.
  • Read and interpret repair manuals.
  • Understand the importance of good public relations with customers, employer, and fellow employees.
  • Understand basic shop operation.
  • Be cognizant of overhead and labor cost in relationship to profit.
  • Understand apprenticeship and how it functions.
  • Be informed on methods of seeking employment.

Degree Options

Students may earn an Associate in Applied Arts and Sciences Degree in Diesel Technology upon completion of a two-year program of study. A Diesel Technology Certificate is available upon completion of the first year of study in the program.

Students who earn their AAAS in Diesel Technology may also earn a dual degree in Automotive Repair Technology. Please speak with your instructor about the required and specific classes needed.