How to Become a Bus and Truck Mechanics and Diesel Engine Specialist in 2026

    Median salary: $60,640 · +2.4% projected growth (2024–2034)

    O*NET Code: 49-3031.00 · Data from O*NET & BLS · Updated March 2026
    Median Salary
    $60,640
    annual wage
    Job Growth
    +2.4%
    projected 2024–2034
    Education
    High school diploma or equivalent
    typical entry
    AI Exposure
    39/100
    exposure score
    Section 01

    What does a Bus and Truck Mechanics and Diesel Engine Specialist do?

    Diagnose, adjust, repair, or overhaul buses and trucks, or maintain and repair any type of diesel engines. Includes mechanics working primarily with automobile or marine diesel engines.

    Section 02

    Bus and Truck Mechanics and Diesel Engine Specialist Salary in 2026

    The median annual salary for Bus and Truck Mechanics and Diesel Engine Specialists is $60,640. The bottom 10% earn around $41,670 while the top 10% earn over $85,980.

    Experience levelAnnual salary
    Entry-level (P10)$41,670
    Early career (P25)$49,240
    Median$60,640
    Experienced (P75)$73,690
    Top earners (P90)$85,980
    10th: $41,670Median: $60,64090th: $85,980

    Highest-paying metros

    Urban Honolulu, HI
    Highest paying
    $83,980
    top metro salary
    Bremerton-Silverdale-Port Orchard, WA
    $82,500
    $-1,480 vs highest
    San Jose-Sunnyvale-Santa Clara, CA
    $82,450
    $-1,530 vs highest
    Seattle-Tacoma-Bellevue, WA
    $80,850
    $-3,130 vs highest
    San Francisco-Oakland-Fremont, CA
    $80,820
    $-3,160 vs highest
    Hawaii
    $79,010
    $-4,970 vs highest
    Savannah, GA
    $77,870
    $-6,110 vs highest
    Bellingham, WA
    $77,720
    $-6,260 vs highest

    Bus and Truck Mechanics and Diesel Engine Specialist salary by state

    StateMedian salary
    Hawaiitop$79,010
    Washington$76,940
    Alaska$73,180
    Maryland$71,620
    California$70,650
    Connecticut$70,160
    New Jersey$68,620
    Massachusetts$67,590
    New York$66,840
    Colorado$66,330
    New Hampshire$65,580
    District of Columbia$65,570
    Nevada$65,180
    Rhode Island$64,690
    Minnesota$64,340
    North Dakota$63,430
    Utah$62,970
    Illinois$62,750
    Oregon$62,670
    Delaware$61,660
    South Dakota$61,190
    Indiana$61,050
    Vermont$60,700
    Florida$60,420
    Pennsylvania$60,350
    Georgia$60,260
    Wisconsin$60,190
    Missouri$60,150
    Wyoming$59,970
    Maine$59,850
    Ohio$59,670
    Michigan$59,270
    Arizona$59,270
    Tennessee$59,120
    Iowa$58,800
    Idaho$58,660
    Kansas$58,650
    Virginia$58,530
    Nebraska$58,050
    Texas$57,870
    Montana$57,060
    Louisiana$54,750
    North Carolina$53,190
    Kentucky$53,030
    South Carolina$52,430
    New Mexico$51,720
    Arkansas$51,300
    Oklahoma$50,950
    Mississippi$50,480
    West Virginia$49,230
    Alabama$49,060

    How to earn more as a Bus and Truck Mechanics and Diesel Engine Specialist

    The salary range for Bus and Truck Mechanics and Diesel Engine Specialists spans $44,310 — from $41,670 at entry level to $85,980 for top earners. The highest-paying metro area is Urban Honolulu, HI at $83,980 — $23,340 above the national median. Earning an additional certification or completing a bachelor's degree can push your salary from the median toward the 75th percentile.

    Section 03

    How to get there

    Typical education: High school diploma or equivalent
    On-the-job training: Long-term on-the-job training

    Starting from high school

    1. Enroll in an associate degree or vocational program (vocational school, community college, or manufacturer training program)
    2. Complete required coursework and hands-on labs (typically 2 years full-time)
    3. Earn professional certifications (EPA Section 608, ASE certifications, manufacturer-specific training)
    4. Complete long-term on-the-job training under supervision
    5. Build portfolio of work and pursue advancement after 1–2 years

    Community colleges and vocational schools offer the most affordable path. Look for programs accredited by relevant industry bodies. Many schools offer evening and weekend schedules for working students. Financial aid, Pell Grants, and workforce development scholarships can significantly reduce costs. Some programs include co-op or internship components that provide paid work experience while you learn.

    2–3 years to full qualification $5K–$25K (community college / trade school)

    Community college is the most cost-effective. Workforce development grants and employer tuition reimbursement can reduce out-of-pocket costs.

    Switching from a related field

    1. Evaluate transfer credits from your existing education — many general courses count
    2. Complete a bridge or accelerated certification program
    3. Earn industry certifications (EPA Section 608, ASE certifications, manufacturer-specific training)
    4. Apply for positions emphasizing your combined experience

    If you already hold an associate degree or higher in a related field, you can often complete a bridge program in 6–12 months. Many community colleges evaluate prior learning and grant credit for relevant work experience. Professional certifications may have experience-based eligibility that your career history already satisfies.

    6 months–2 years $2K–$12K

    Bridge programs are shorter and cheaper than full degree programs. Some professional associations offer member discounts on certification exams.

    Career change from an unrelated field

    1. Enroll in a vocational program or associate degree
    2. Complete core technical coursework (often accelerated for adults)
    3. Complete long-term on-the-job training
    4. Leverage your previous career experience for faster advancement

    Adult learners often complete programs faster than traditional students because of stronger study skills and motivation. Many community colleges and vocational schools offer accelerated evening/weekend tracks designed for working adults. Your prior professional experience — project management, communication, problem-solving — gives you an advantage even if the technical skills are new.

    1–3 years $5K–$25K

    Workforce Innovation and Opportunity Act (WIOA) grants may cover full tuition for qualifying career changers.

    Already working in another career?

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    Section 06

    AI and automation outlook

    39/100

    The Bus and Truck Mechanics and Diesel Engine Specialist role has a moderate AI exposure score. Some tasks may be augmented by AI tools, but the core role remains human-driven.

    See full AI risk breakdown
    Section 07

    Related careers to consider

    Based on skill overlap analysis — these occupations share core competencies with Bus and Truck Mechanics and Diesel Engine Specialist.

    Get your personalized Bus and Truck Mechanics and Diesel Engine Specialist transition plan

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    Section 08

    Frequently asked questions

    SOC: 49-3031.00 · Data: O*NET 29.1, BLS OEWS 2024, BLS Employment Projections 2024–2034