Diesel Mechanic Career Guide in Washington
Explore diesel mechanic salary, licensing requirements, training pathways, apprenticeships, job outlook, and career opportunities in Washington.
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How to Become a Diesel Mechanic in Washington
Washington diesel programs emphasize heavy-duty engines, electronic diagnostics, hydraulic systems, air brakes, marine applications and modern emissions controls.
Note: Training pathways vary by employer, program sponsor, and licensing category. Classroom education may provide useful technical preparation, but it does not automatically replace supervised work experience unless the applicable licensing authority specifically allows that credit.
Diesel Mechanic Salary in Washington
The salary figure shown on this page represents the Washington median wage for diesel mechanic workers, based on U.S. Bureau of Labor Statistics occupational wage data. A median wage is the point at which half of workers earn more and half earn less. It is not a guaranteed starting salary.
Actual earnings may vary by experience, license level, metropolitan area, employer, industry, overtime, and union agreement.
Compared with the national median of $60,640, the median wage in Washington is approximately $17,260 higher. This comparison does not account for differences in cost of living.
Licensing Authority for Diesel Mechanics in Washington
Note: Licensing rules, fees, examinations, exemptions, and renewal requirements may change. Applicants should verify current requirements directly with the authority listed above before beginning work, applying for an examination, or enrolling in a training program.
CAREER PREPARATIONDiesel Mechanic Training Requirements in Washington
Washington diesel mechanics usually complete technical-college training or structured employer-based instruction.
- Train in diesel engine repair, electronic controls, drivetrains, hydraulics, air brakes and emissions systems.
- Gain supervised experience working with trucks, buses, marine engines or construction equipment.
- Consider ASE T-series certifications and obtain EPA Section 609 or CDL credentials when required.
Diesel Mechanic Training Providers in Washington
| Provider | City | Program Website |
|---|---|---|
| Bellingham Technical College | Bellingham | View Program |
| Clark College | Vancouver | View Program |
| Walla Walla Community College | Walla Walla | View Program |
| Skagit Valley College | Mount Vernon | View Program |
Note: Program availability, admission requirements, tuition, and credit toward licensing requirements may change. Verify current details directly with the provider and the applicable state licensing authority before enrolling. Listings are informational and do not constitute rankings or endorsements.
PAID TRAINING OPPORTUNITIESDiesel Mechanic Apprenticeship Programs in Washington
Diesel Mechanic Licensing Requirements in Washington
Washington does not require a general occupational license for employee diesel mechanics. Technicians may need EPA refrigerant certification, a CDL or specialized inspection and employer credentials depending on their duties.
EMPLOYMENT PROJECTIONSDiesel Mechanic Job Outlook in Washington
Employment is projected to increase 5%, from approximately 8,160 workers in 2024 to 8,580 in 2034, with around 750 openings per year.
Note: State employment projections may use a different base period from national BLS projections. Projected growth is an estimate rather than a guarantee of employment, and local demand may vary by metropolitan area, industry, construction activity, and employer investment.
CAREER QUESTIONSFrequently Asked Questions
What is the diesel mechanic salary in Washington?
The statewide median wage for diesel mechanics in Washington is approximately $77,900 per year, or $37.45 per hour, based on May 2024 occupational wage data. Actual earnings vary by experience, license level, location, employer, overtime, and industry.
Does Washington require diesel mechanic licensing?
No statewide occupational license is generally required for diesel mechanic workers in Washington. Local jurisdictions, employers, or specific work scopes may still impose requirements, so applicants should verify current rules before beginning work.
How long does it take to become a diesel mechanic in Washington?
The time required depends on the license pathway and training program. A typical training pathway takes approximately 1–2 Years, although licensing, apprenticeship, and employer requirements may differ.
Are diesel mechanics in demand in Washington?
Washington projects diesel mechanic employment to grow by approximately 5% from 2024 to 2034, with about 750 openings per year. Projections include both new positions and openings created when workers leave the occupation.
Career Data Sources
State wage, employment outlook, and licensing information is reviewed using government and official regulatory sources. Data and requirements may change after publication.
- May 2024 State Occupational Employment and Wage Estimates — U.S. Bureau of Labor Statistics. May 2024 State OEWS
- Washington Wages for Diesel Mechanic (SOC 49-3031) — O*NET OnLine, U.S. Department of Labor. Washington Diesel Mechanic Wages
- Washington Diesel Mechanic Employment Trends — O*NET OnLine, U.S. Department of Labor. Washington Diesel Mechanic Employment Trends
- Washington State Department of Licensing — Licensing authority. Washington State Department of Licensing