Diesel Mechanic Salary in the U.S.

Do you love working on big equipment?

If the answer is yes, a career in the diesel industry may be a fit.

Diesel mechanics, also known as diesel technicians, work on heavy-duty equipment such as engines on ships, oil rigs, mining and agricultural machinery, playing a crucial role in various industries including power generation, construction and transportation. Diesel engines power a variety of different types of equipment, including:

• Power generators
• Locomotives
• Construction equipment
• Large trucks
• Forestry equipment

Without them, so many of the conveniences we’re used to would simply not exist. They’re vital in keeping our country and economy moving forward.

So, how much do diesel mechanics make?

Diesel mechanic salaries differ across states. Factors affecting diesel technician salaries include local cost of living, the types of diesel facilities in the region, employer size and local supply and demand for diesel mechanics.

Training and education, such as the 45-week Diesel Technology program offered by Universal Technical Institute, can prepare individuals for careers in the diesel industry by teaching them to diagnose, maintain and repair diesel technologies, enhancing their employability and potential earnings.^1,7

To find out more about U.S. diesel mechanic salary trends according to the U.S. Bureau of Labor Statistics, keep reading!

How Much Does a Diesel Mechanic Make a Year?

Skilled diesel technicians are in demand. In fact, there are more than 24,000 estimated average annual diesel technician job openings in the United States.⁴³

According to the BLS, the median annual salary for bus and truck mechanics and diesel engine specialists in the United States was $58,970 in May 2023.²⁹ This means half earned more and half earned less. Keep in mind that salary depends on several factors, including experience, employer, demand and cost of living in the area.

Read: How to Become a Diesel Mechanic

Are Diesel Mechanics Well-Paid?

Diesel mechanics are paid based on a variety of factors such as local wage trends, prior experience, education, employer availability and much more. If you’re looking to improve your education and prepare for the field, you can start training in Universal Technical Institute’s 45-week Diesel Technology program!⁷

With our state-of-the-industry core diesel training, students can take diesel mechanic courses and learn how to diagnose, maintain and repair diesel technologies. By completing this program, graduates can prove to employers that they’ve developed in-demand industry skills.

Read: Is Becoming a Diesel Mechanic a Good Career Plan?

Types of Diesel Mechanics and Average Salaries

There are a variety of diesel mechanic careers to pursue, as specialized skills are valuable to multiple industries. A few common industries for diesel mechanics include:

• Trucking and transportation: Mechanics in trucking and transportation work for trucking companies or transportation agencies, maintaining and repairing heavy diesel-engine vehicles, such as semitrucks and buses.
• State and local governments: These technicians service and repair the diesel-powered vehicles and equipment their local governments use.
• Power generation: Power gen technicians install, service and repair diesel-fueled power systems. Their duties include troubleshooting generators, calibrating equipment, working on internal combustion engines and more.
• Field service: Also known as mobile mechanics, these technicians travel to clients who need diesel-engine repair.
• Diesel automotive repair and maintenance: Typically employed by maintenance and repair shops, these technicians maintain, diagnose and repair diesel-fueled vehicles.

As previously mentioned, the average salary for diesel mechanic roles can vary by experience, employer, demand and cost of living.

Heavy diesel mechanic responsibilities

Heavy vehicle and mobile equipment service technicians are responsible for diagnosing, repairing and maintaining a wide range of heavy vehicles and mobile equipment, including bulldozers, cranes, farm machinery and railcars.

Their key responsibilities involve working with various complex systems such as engines, hydraulics, transmissions and electrical systems to ensure optimal performance and reliability.

Diesel Mechanic Salary Range in the U.S.

To help you plan a potential career move, here's a look at how the top states rank in median wages for bus and truck mechanics and diesel engine specialists as reported by BLS. Differences in state-by-state diesel mechanic salaries are due to factors such as local cost-of-living, the types of diesel facilities present in a region, the size of employers available in an area and local supply and demand.

Read: How to Train to Become a Bus Mechanic

Top 10 Median Annual Diesel Mechanic Salary

1. New York: $72,080

New York has the third-largest economy in the U.S., Investopedia reports. The state is a major exporter of manufactured goods to other states and countries, and its role in technical manufacturing has risen in recent years.

2. California: $68,970

California’s economy is the fifth-largest in the world. Major industries include agriculture, transportation, manufacturing and utilities. Diesel technicians are needed in the state to work on farm equipment, forestry equipment, ships, large trucks and more.

3. Washington: $66,560

Washington serves the Pacific Northwest and beyond as a leader in agriculture and food manufacturing, green technology, forestry, military, defense and maritime industries. Diesel technicians here are needed to work on ships, farming equipment, forestry equipment and more. They also work in manufacturing, including on machines producing life science and global health products.

4. Hawaii: $66,520

Hawaii, the Aloha State, is home to several U.S. military bases for the Air Force, Army, Navy, Coast Guard and Marines. Some of the big industries in Hawaii include agriculture, manufacturing and transportation. These industries all rely on diesel equipment.

5. Massachusetts: $65,220

Manufacturing, trade and transportation are included in the top industries in Massachusetts. Diesel technicians here work on ship equipment and in manufacturing sectors.

6. Alaska: $65,180

Alaska’s top economic industries include oil, fishing, timber, mining and agriculture. All of these industries use diesel-powered equipment. If you love the outdoors, you might consider pursuing a diesel career in Alaska.

7. Connecticut: $64,460

Connecticut, the Constitution State, touts advanced manufacturing, bioscience and green technology among its top industries. The state is a manufacturer of jet engines, nuclear submarines, medical tools and green-energy technologies. Diesel equipment powers much of the work in these industries.

8. Maryland: $64,440

Heading back to the East Coast for sixth place, Maryland is one of the original 13 colonies, and its economy reflects that. Since the colonial period, Maryland has had large tobacco farms and large farms with other crops.

Maryland is also home to a bustling manufacturing industry. Both manufacturing and agriculture rely on big machines and diesel mechanics to keep them running. Plus, you can enjoy stunning natural landscapes and delicious blue crabs if you choose to live and work in Maryland!

9. Colorado: $63,850

Some of the biggest industries in Colorado include manufacturing and agriculture. Within each of these sectors, diesel technicians may be able to find work.

10. New Jersey: $63,820

New Jersey has diesel technician jobs for industries such as manufacturing, transportation and logistics and pharmaceuticals. According to the state government website, New Jersey has been a top producer of pharmaceuticals and is the industry’s most strategically relevant manufacturing site.

Diesel Mechanic Salary FAQs

What is the highest paid diesel mechanic?

The BLS reports that diesel mechanics who work in natural gas distribution are the highest paid.

What is the median hourly wage for diesel mechanics?

The BLS reports that the median hourly wage for bus and truck mechanics and diesel engine specialists in the United States was $28.35 ($58,970 annually) as of May 2023.²⁹

What factors affect diesel technician salary?

Diesel technician salary is determined by several factors, including experience, employer, demand and the cost of living in the area.

Do diesel mechanics earn more than other automotive technicians?

According to the BLS in May 2023, the median annual salary for bus and truck mechanics and diesel engine specialists in the United States was $58,970²⁹ while the median annual salary for automotive service technicians and mechanics in the United States was $47,770.²⁵

Is becoming a diesel mechanic hard?

In addition to having a specific set of technician traits, such as analytical skills and the ability to think on your feet, becoming a diesel mechanic requires specific training. Some mechanics receive on-the-job training after graduating from high school.

Professionals and aspiring technicians should also be taking the initiative to learn about new diesel technology within the field, even years after graduating.

However, completing a formal diesel training program can be a great place to learn how to become a diesel mechanic. Attending a technical school like UTI can provide you with hands-on training with the tools and machines that are used in the field.¹⁸

Read: What is a Heavy-Duty Diesel Mechanic?