Salary guide
Diesel Mechanic Salary & Pay Scale (2026)
What diesel mechanics earn per year, per hour and per month, with the full percentile range, the factors that move pay and how to earn more.
The median diesel mechanic salary in the U.S. is $61,770 per year, or $29.70 per hour, based on Bureau of Labor Statistics data for May 2025. The lowest-paid 10% earned under $44,530, while the top 10% earned more than $88,740.
Pay data: BLS OEWS, May 2025 · Outlook: BLS 2025–35 · Checked October 15, 2026
Diesel Mechanic pay scale
| Percentile | Annual | Hourly* | What it usually reflects |
|---|---|---|---|
| 10th percentile | $44,530 | $21.41 | Typical for new workers, part-time markets and lower-paying settings |
| 25th percentile | $50,540 | $24.30 | Early career, a year or two of experience |
| Median (50th) | $61,770 | $29.70 | Mid-career: half earn more, half earn less |
| 75th percentile | $75,470 | $36.28 | Experienced workers, specialists and higher-paying employers |
| 90th percentile | $88,740 | $42.66 | Top earners: senior, specialized, supervisory or high-cost areas |
*Hourly figures are annual wages divided by 2,080 hours. Percentile descriptions are general patterns, not guarantees.
Monthly and biweekly pay
| Pay period | At 25th percentile | At median | At 75th percentile |
|---|---|---|---|
| Per year | $50,540 | $61,770 | $75,470 |
| Per month | $4,212 | $5,148 | $6,289 |
| Every two weeks | $1,944 | $2,376 | $2,903 |
| Per week | $972 | $1,188 | $1,451 |
Gross pay before taxes and deductions.
What affects diesel mechanic pay
- Certifications such as ASE, FAA A&P or manufacturer credentials
- Flat-rate versus hourly pay plans in repair shops
- Industry (aerospace and utilities often pay more than general repair)
- Shift work and overtime in plants running around the clock
- Geography and cost of living: metropolitan areas and some states pay well above the national median
How to earn more as a diesel mechanic
- Get credentialed: ASE Medium-Heavy Truck (T-series), DOT annual inspector qualification, Manufacturer certifications.
- Build specialty experience: Diagnose and repair trucks and equipment.
- Move up: roles such as master or lead technician and shop foreman or fleet manager typically pay more.
- Negotiate: research local pay and use our salary negotiation guide.
Diesel Mechanic pay vs. related careers
Job outlook
BLS projects employment of diesel mechanics to change by +3.6% from 2025–35, about as fast as average compared with the 3.5% average for all occupations. About 24,400 openings are projected each year, on average, including openings to replace workers who retire or change occupations.
About this data
Figures come from the BLS Occupational Employment and Wage Statistics survey (May 2025), which covers wage and salary workers nationwide under SOC code 49-3031 (“Bus and truck mechanics and diesel engine specialists”). Wages exclude self-employment income, overtime and most bonuses unless they are part of regular pay. We refresh these numbers when BLS releases new estimates each spring.
Diesel Mechanic salary FAQ
How much does a diesel mechanic make per hour?
The median hourly wage for diesel mechanics was $29.70 in May 2025 (BLS). Hourly pay for the lowest 10% was about $21.41 and the top 10% earned about $42.66 or more.
How much does a diesel mechanic make a month?
At the median annual wage of $61,770, that works out to about $5,148 per month before taxes, or about $2,376 every two weeks.
What is the starting salary for a diesel mechanic?
New diesel mechanics often start near the lower end of the range. The 10th percentile was $44,530 and the 25th percentile was $50,540 per year in May 2025. Starting pay depends on location, employer and credentials.
How can diesel mechanics earn more?
Common ways include earning ASE Medium-Heavy Truck (T-series) and DOT annual inspector qualification, gaining specialty experience, taking shifts or roles with premium pay, and moving up the career ladder to roles such as master or lead technician.
Sources
- U.S. Bureau of Labor Statistics, BLS Occupational Employment and Wage Statistics (OEWS), May 2025, SOC 49-3031 (Bus and truck mechanics and diesel engine specialists).
- U.S. Bureau of Labor Statistics, BLS Employment Projections, Table 1.2 (2025–35).
- O*NET OnLine summary for Bus and truck mechanics and diesel engine specialists (U.S. Department of Labor).
- BLS Occupational Outlook Handbook.
Reviewed by the Career Education Institute Curriculum Team. Pay figures are national estimates; local pay varies. See our editorial policy.