Diesel Technician License Requirements in Montana
License Not RequiredLast verified March 24, 2026
Agency And Exam
Issuing agency: Not listed
Exam provider: Not listed
Reciprocity And License Levels
License levels
Not listed
Reciprocity states
None listed
Notes
Montana does not require a statewide license for diesel technicians. No state-level diesel mechanic licensing board exists. Employers commonly require ASE certifications. Verify with the Montana Department of Labor and Industry for any updates.