National Avg. Salary

$46,110 More Salary Data →

Job Growth Rate

12% More Growth Data →

Recommended Degree

Certification Programs & Degrees →

Attributes

  • Dependable Daily Workload
  • Don't Take Work Home
  • Good Entry Level Salary
  • Growing Industry

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Diesel mechanics conduct routine maintenance on and repair large vehicles—trucks, busses, and construction equipment—that are powered by diesel fuel. They conduct repairs on the engines of these vehicles, as well as the brakes, electrical systems, exhaust systems, transmissions, and steering systems.

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Job Description

The following job responsibilities are common for individuals in diesel mechanic roles:

  • Discuss concerns with customers and perform diagnostic tests to determine needed repairs
  • Perform routine inspections to identify maintenance needs before more severe problems occur
  • Repair components of engines, transmissions, brakes, exhausts, and other vehicle systems

A Day in the Life

Diesel mechanics spend their days diagnosing and repairing vehicles that are powered by diesel fuel. Their work starts when a customer brings a vehicle in to be serviced. First, they must discuss any issues or concerns with the customer to begin the process of determining what maintenance is needed. In some cases, the vehicle may just need routine maintenance—oil changes, fluid replacement, air filter replacement, or tire changes. In other cases, more intense and complicated repairs may be needed.

Diesel mechanics use a variety of processes to diagnose issues. Sometimes they can identify the needed repairs just by listening to the problems a customer is experiencing. Sometimes, they need to hook the vehicle into a diagnostic machine to identify issues with electrical components or to collect issue records from the car’s computer system. Sometimes, the mechanic must take components apart on the car to look for nonfunctional, worn, or damaged parts. In these cases, the process may become trial and error.

Once the diesel mechanic discovers the source of the problem, he/she must conduct repairs. Diesel mechanics use a variety of tools to perform repairs. They use basic hand tools, more complex power tools, and major equipment like resurfacing machines and milling machines. When major engine repairs are needed, the diesel mechanic may need to remove the entire engine to perform repairs. When this is required, he/she must use engine lifts to safely remove the diesel engine from the vehicle.

Typical Work Schedule

Most diesel mechanics work full-time schedules, but the shifts may be irregular. To accommodate customers, mechanic shops are commonly open on weekends, so the role may require weekend work. Additionally, some diesel mechanic shops are open 24 hours to accommodate semi-truck repairs, so diesel mechanics who work for these employers may be required to work evening or overnight shifts.

Projected Job Growth

With online shopping now more popular than ever before, more companies are utilizing diesel vehicles to transport goods across the country. The high number of diesel vehicles being used is expected to increase demand for diesel mechanics over the coming decade.

Typical Employers

Diesel mechanics are commonly employed by truck transportation companies, mechanic shops, and wholesalers/distributors. Some product distribution and transportation companies utilize third-party mechanics, and some keep mechanics on staff at their facilities, so opportunities may be available across a variety of industries.

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Diesel Mechanic Salary Data

We've provided you the following to learn more about this career. The salary and growth data on this page comes from recently published Bureau of Labor Statistics data while the recommendations and editorial content are based on our research.

National Annual Salary

Low Range

$35,280

Average

$46,110

High Range

$66,940

National Hourly Wage

Low Range

$17/hr

Average

$22/hr

High Range

$32/hr

How do Diesel Mechanic salaries stack up to other jobs across the country? Based on the latest jobs data nationwide, Diesel Mechanic's can make an average annual salary of $46,110, or $22 per hour. This makes it an Above Average Salary. On the lower end, they can make $35,280 or $17 per hour, perhaps when just starting out or based on the state you live in.

Salary Rankings And Facts

  • #437 Nationally for All Careers

What Will Your State Pay?

State Hourly Annual
California $00.000 $00.000
Texas $00.000 $00.000
Florida $00.000 $00.000
Washington $00.000 $00.000
Tennessee $00.000 $00.000

Find Out Your State's Average Salary Based on the Latest Jobs Data.

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How To Become

The basic requirement for a career as a diesel mechanic is a high school diploma. In some high schools, aspiring mechanics can focus some of their coursework on a trade, and may be able to learn how to conduct automobile maintenance and repairs before graduation. If this opportunity is available, it’s a great way to gain the experience needed to find work after graduating from high school. If it’s not available at your school, you may need to find an entry-level position at a mechanic shop before or after high school to begin accruing professional experience and trade knowledge.

Conversely, many aspiring diesel mechanics choose to pursue a postsecondary certificate in diesel engine repair to learn the trade. Offered by community, trade, and vocational schools, these certificate programs offer both theoretical and practical training in the field. With a certificate, aspiring diesel mechanics may be able to find work as a diesel mechanic right after graduation without having to spend years working in entry-level or loosely related positions.

Beyond the education needed, most new diesel mechanics receive on-the-job training. They may spend a few weeks or months assisting an experienced diesel mechanic before performing maintenance and repairs independently. After working as a diesel mechanic for a few years, you can also sit for an exam offered by the National Institute for Automotive Service Excellence (ASE). If passed, this exam leads to formal certification and may enable you to find and secure high-paying jobs in the field.


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Quick Summary

  • Optional

    Diesel mechanics may only need a high school diploma to find work in the field, but prior experience is necessary—either through high school trade courses or experience working in mechanic shops.

  • Recommended Min. Degree

    Certification

Programs and Degrees

Here are the most common degrees for becoming a Diesel Mechanic. a Certification is usually recommended and specifically a degree or coursework that prepares you for the particular field, see below.

Highest Education Among Diesel Mechanic

  • 0%   Doctorate
  • 0.5%   Masters
  • 3.3%   Bachelors
  • 10.2%   Associates
  • 24.6%   College
  • 47.2%   High School
  • 14.2%   Less than High School

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Job Growth Projections and Forecast

2014 Total Jobs

263,900

2024 Est. Jobs

295,500

Job Growth Rate

12%

Est. New Jobs

31,600

How does Diesel Mechanic job growth stack up to other jobs across the country? By 2024, there will be a change of 31,600 jobs for a total of 295,500 people employed in the career nationwide. This is a 12% change in growth over the next ten years, giving the career a growth rate nationwide of Below Average.

Growth Rankings And Facts

  • #150 Nationally for All Careers

Is There Growth in My State?


State No. of Jobs Job Growth
California 00% 00%
Texas 00% 00%
Florida 00% 00%
Nevada 00% 00%
New York 00% 00%
Chicago 00% 00%

Find Out Your State's Growth and Salary Based on the Latest Jobs Data

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What Companies Employ The Most Diesel Mechanics

Industry Current Jobs New Jobs Needed % Increase
General freight trucking 34,000 900 1%
Local government, excluding education and hospitals 0000 0000 0000
Motor vehicle and motor vehicle parts and supplies merchant wholesalers 0000 0000 0000

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