Installation & Repair

How much does a diesel mechanic make?

The median diesel mechanic in the United States earns $60,640 per year, about $29.15 an hour. That is the midpoint of the profession: half of all diesel mechanics earn more, and half earn less.

Median annual salary
$60,640
Median hourly wage
$29.15 /hr
Employed in the U.S.
287,230

Source: BLS OEWS, May 2024. SOC code 49-3031.

Diesel mechanic salary range

Pay for diesel mechanics spans a wide band. The lowest paid 10 percent earn under $41,670 a year, while the highest paid 10 percent take home more than $85,980. The average (mean) wage of $62,480 runs a bit higher than the median, which is normal for jobs where a group of top earners pulls the average up.

Percentile Annual Hourly
10th percentile $41,670 $20.04 Lowest paid
25th percentile $49,240 $23.68
Median (50th) $60,640 $29.15 Midpoint
75th percentile $73,690 $35.43
90th percentile $85,980 $41.34 Highest paid

Figures are national wage estimates for bus and truck mechanics and diesel engine specialists (SOC 49-3031), U.S. Bureau of Labor Statistics, OEWS, May 2024.

Diesel mechanic salary by state

Where you work changes the paycheck. Diesel mechanics earn the most in Hawaii at $79,010 a year, and the least in Alabama at $49,060. The table below lists every state with published data, ranked by median annual salary.

State Median annual Employed
Hawaii $79,010 670
Washington $76,940 6,880
Alaska $73,180 740
Maryland $71,620 3,210
California $70,650 21,730
Connecticut $70,160 2,370
New Jersey $68,620 8,360
Massachusetts $67,590 4,660
New York $66,840 14,320
Colorado $66,330 4,650
New Hampshire $65,580 860
District of Columbia $65,570 90
Nevada $65,180 1,860
Rhode Island $64,690 400
Minnesota $64,340 6,790
North Dakota $63,430 1,540
Utah $62,970 2,930
Illinois $62,750 9,920
Oregon $62,670 4,030
Delaware $61,660 640
South Dakota $61,190 1,130
Indiana $61,050 8,730
Vermont $60,700 570
Florida $60,420 12,570
Pennsylvania $60,350 13,560
Georgia $60,260 11,470
Wisconsin $60,190 7,170
Missouri $60,150 6,520
Wyoming $59,970 1,030
Maine $59,850 1,590
Ohio $59,670 14,170
Arizona $59,270 5,430
Michigan $59,270 8,330
Tennessee $59,120 6,640
Iowa $58,800 4,270
Idaho $58,660 1,720
Kansas $58,650 3,770
Virginia $58,530 7,870
Nebraska $58,050 3,330
Texas $57,870 29,730
Montana $57,060 1,110
Louisiana $54,750 3,050
North Carolina $53,190 10,290
Kentucky $53,030 3,920
South Carolina $52,430 3,260
New Mexico $51,720 1,630
Arkansas $51,300 4,580
Oklahoma $50,950 3,420
Mississippi $50,480 3,010
West Virginia $49,230 1,110
Alabama $49,060 5,650

State median wages for bus and truck mechanics and diesel engine specialists (SOC 49-3031), U.S. Bureau of Labor Statistics, OEWS state files, May 2024. States where the BLS does not publish a median are not shown.

Job outlook for diesel mechanics

The BLS projects employment of diesel mechanics to grow 3.6% from 2025 to 2035. That is about as fast as the 3.5% average for all occupations. That works out to roughly 316,000 jobs in 2025 moving toward 327,400 by 2035.

Across the decade, the BLS expects about 24,400 openings a year for diesel mechanics. Most come from the need to replace workers who move to other jobs or leave the workforce, on top of any new positions from growth.

Source: U.S. Bureau of Labor Statistics, Employment Projections program, 2025-35 (Table 1.2, Occupational projections and worker characteristics).

How to become a diesel mechanic

The typical entry-level education for diesel mechanics is a high school diploma or equivalent, according to the BLS. New hires typically complete long-term on-the-job training to reach full competency.

A four-year college degree is usually not required to start, which makes this one of the jobs you can enter without a bachelor's degree. See more high paying jobs without a degree .

Education, training, and experience data: U.S. Bureau of Labor Statistics, Employment Projections program.

What affects how much a diesel mechanic earns

Certifications, the type of equipment worked on, employer, and region drive most of the pay difference. Flat-rate pay and overtime can push experienced techs well above the median.

Location is one of the clearest factors. The gap between the top paying state (Hawaii, $79,010) and the lowest (Alabama, $49,060) shows how much geography alone can move the number, before experience or specialization.

About 287,230 people work as diesel mechanics in the United States. At $60,640 a year, the job pays above the $49,500 median for all U.S. jobs.

Diesel mechanic salary FAQ

How much does a diesel mechanic make an hour?

The median hourly wage for a diesel mechanic is $29.15. The middle half of diesel mechanics earn between $23.68 and $35.43 per hour.

What is the highest diesel mechanic salary?

The highest paid 10 percent of diesel mechanics earn more than $85,980 per year. Top earners usually have the most experience and work in the best paying regions and industries.

How much does a diesel mechanic make a year?

The median annual salary for a diesel mechanic is $60,640. The average (mean) wage of $62,480 runs a bit higher than the median, which is normal for jobs where a group of top earners pulls the average up.

Is being a diesel mechanic a well paid job?

At $60,640 a year, a diesel mechanic earns above the $49,500 median for all U.S. jobs. About 287,230 people work as diesel mechanics in the United States.

Which state pays diesel mechanics the most?

Hawaii has the highest median salary for diesel mechanics at $79,010 a year. Washington ($76,940) and Alaska ($73,180) follow. State medians come from the BLS OEWS state files, May 2024.

Is being a diesel mechanic a good career?

Employment of diesel mechanics is projected to grow 3.6% from 2025 to 2035, about as fast as the 3.5% average for all occupations. The BLS projects about 24,400 openings each year, from growth and from workers leaving the occupation.

Do you need a degree to become a diesel mechanic?

No. The BLS lists the typical entry-level education for diesel mechanics as a high school diploma or equivalent, so a four-year degree is usually not required to start.

Related salaries

See more in Installation & Repair salaries or browse the highest paying jobs in the U.S.

Sources. National and state wage and employment figures: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May 2024 and the OEWS state files. Growth, openings, education, and training: U.S. Bureau of Labor Statistics, Employment Projections program (2025–2035). Every figure on this page is published by the BLS and is shown without adjustment. View the originals at bls.gov/oes and bls.gov/emp. Last updated 2025-04-02.