Diesel Mechanic Salary in the USA: Pay by State, Hourly Wage and Career Guide

If you are looking for a diesel mechanic salary in the USA, the amount you can make depends on your state, experience, type of vehicle you work on, and the company where you get the job. Diesel mechanics work on trucks, buses, heavy vehicles, and diesel engines, so this is not just a regular auto repair job. In 2025, the national median pay for diesel service technicians and mechanics was about $61,770 per year, according to the U.S. Bureau of Labor Statistics. Some experienced diesel technicians make well above the national median, while entry-level workers usually start at a lower pay level. The diesel mechanic salary by state can also be quite different, which is why checking local pay is important before choosing a job or moving for work.

Diesel Mechanic Salary in the USA

A diesel mechanic is a person who checks, repairs, and maintains diesel-powered vehicles and equipment. Many diesel mechanics work on heavy trucks, buses, transportation vehicles and other diesel engines. The job can be physical and sometimes the work is dirty, but people who get good experience with diesel engines, electrical systems, diagnostics and heavy equipment can find better paying jobs.

According to the U.S. Bureau of Labor Statistics, the median annual wage for diesel service technicians and mechanics was $61,770 in May 2025. The median hourly wage was about $29.70. The lowest 10 percent earned less than $44,530 per year, while the highest 10 percent earned more than $88,740. Actual diesel mechanic pay can be higher or lower depending on location, overtime, experience and the kind of diesel equipment being repaired.

State Wise Diesel Mechanic Salary

The table below shows the median yearly salary for bus and truck mechanics and diesel engine specialists in all 50 U.S. states. These are May 2025 wage estimates and can be useful for comparing diesel mechanic pay across the country.

Diesel Mechanic Salary in Alabama

Diesel mechanic salary in Alabama is around $50,470 per year at the median level based on the latest 2025 wage data. Alabama can be a lower-cost place for mechanics compared with some other parts of the country, but the actual diesel mechanic pay can change a lot by company and experience.

A new diesel mechanic may start below the state median, while a technician with several years of truck repair and engine diagnostic experience can move into better paying work. Jobs connected with transportation, fleet maintenance and heavy trucks can also have different pay.

• Diesel mechanic salary in Alabama: about $50,470 median yearly pay
• Diesel technician jobs are available in truck and fleet service
• Experience with electrical and computer diagnostics can help with better jobs

Diesel Mechanic Salary in Alaska

Alaska has a much higher diesel mechanic salary compared with many states. The 2025 median yearly wage for bus and truck mechanics and diesel engine specialists was about $75,580. Diesel engines are used heavily in transportation, commercial vehicles and equipment, and mechanics may have to work in difficult weather and job locations.

For someone searching how much does a diesel mechanic make in Alaska, the state median gives a useful starting point, but individual job offers can be different. Overtime, special skills and working on heavy equipment may also change the final paycheck.

• Median diesel mechanic salary in Alaska: about $75,580
• Heavy truck and diesel equipment experience can be useful
• Some jobs may include overtime or additional work-related pay

Diesel Mechanic Salary in Arizona

Arizona diesel mechanics had a median yearly wage of about $61,680 in 2025. The state has a large transportation network and many commercial vehicles travel through Arizona, which creates a need for people who can keep trucks and diesel equipment running.

Diesel mechanic jobs in Arizona can include truck repair, fleet maintenance and other heavy vehicle service. A mechanic who can find engine problems quickly and also understand electronic systems can have more options than someone who only does basic maintenance.

Diesel Mechanic Salary in Arkansas

The median diesel mechanic salary in Arkansas was about $52,330 per year in 2025. Arkansas has a strong transportation and trucking connection, so diesel technicians can find work around truck fleets, repair shops and other commercial vehicle operations.

For a person starting this career, the first few years are often about learning how to diagnose problems, use repair tools correctly and understand different diesel engines. After getting more hands-on experience, diesel mechanic pay can move higher than an entry-level wage.

• Median salary: about $52,330 per year
• Truck and fleet repair can be common work areas
• Hands-on experience is important for moving into higher paying positions

Diesel Mechanic Salary in California

California is one of the states where diesel mechanics can see relatively high pay. The 2025 median yearly salary for bus and truck mechanics and diesel engine specialists was about $73,950. The state has a very large transportation industry, many commercial trucks and a wide range of heavy vehicle operations.

California diesel mechanic salary can also change by area. A job in a large metro area may have different pay from a smaller town. Living costs are also different, so salary alone does not tell the full story when comparing jobs.

Diesel technicians who understand engine diagnostics, electrical systems, emissions-related systems and heavy truck repair may have more opportunities in the California market.

• Median diesel mechanic salary: about $73,950
• Truck and fleet maintenance are important job areas
• Specialized diagnostic skills can help with career growth

Diesel Mechanic Salary in Colorado

Colorado reported a median yearly salary of about $70,480 for bus and truck mechanics and diesel engine specialists in 2025. Diesel technicians can work with commercial trucks, buses, heavy vehicles and other equipment.

The diesel mechanic pay in Colorado can depend on experience and the type of employer. A mechanic working on larger vehicles or doing advanced troubleshooting may have a different pay level than someone doing basic service work.

Diesel Mechanic Salary in Connecticut

Diesel mechanic salary in Connecticut was about $67,300 per year at the median level in the 2025 wage data. Mechanics in the state may work with trucks, buses, fleet vehicles and diesel-powered equipment.

For people looking for diesel technician jobs in Connecticut, having practical repair experience can be very useful. Employers may also look for workers who can use modern diagnostic equipment instead of only doing traditional mechanical repairs.

Diesel Mechanic Salary in Delaware

Delaware had a median diesel mechanic salary of about $63,590 per year in 2025. Because Delaware is located close to major transportation routes and larger East Coast markets, diesel mechanics may find work connected with trucks, fleets and commercial transportation.

Starting diesel mechanic pay can be lower than the state median, especially for workers with little experience. As a technician learns more about heavy trucks, engine diagnostics and electrical repair, the earning range can change.

Diesel Mechanic Salary in Florida

Florida diesel mechanics had a median yearly salary of about $60,490 in 2025. The state has a large number of commercial vehicles, buses, trucks and transportation businesses, so diesel repair remains an important type of mechanical work.

Someone searching for a diesel mechanic job in Florida should look at more than just the advertised salary. Work schedule, overtime, benefits, type of equipment and required experience can make a real difference in the total pay.

• Median salary: about $60,490 per year
• Fleet maintenance is one area where diesel technicians can work
• Overtime and experience may change total yearly earnings

Diesel Mechanic Salary in Georgia

Georgia had a median yearly wage of about $61,370 for bus and truck mechanics and diesel engine specialists in 2025. Trucking and transportation are important parts of the state's job market, which gives diesel mechanics different types of work to look at.

New technicians may start with routine maintenance and smaller repair jobs. With time, they can move into heavier repairs, diagnostics and fleet technician positions where the diesel mechanic pay may be better.

Diesel Mechanic Salary in Hawaii

Hawaii reported a median diesel mechanic salary of about $80,080 per year in 2025. This is a high wage level compared with the national median, although workers should also think about the local cost of living when comparing salaries.

Diesel technicians in Hawaii can work on trucks, buses and other diesel equipment. Experience matters a lot in this type of work because employers need mechanics who can identify problems and get vehicles back into service without wasting too much time.

Diesel Mechanic Salary in Idaho

In Idaho, the 2025 median yearly wage for diesel mechanics was about $59,230. Diesel technicians may work with commercial trucks, transportation fleets and different types of heavy vehicles.

For someone entering the trade, learning diesel engine repair along with electrical and computer diagnostic systems can make the career path more useful. Basic maintenance skills are important, but modern diesel vehicles also need technicians who understand electronic systems.

Diesel Mechanic Salary in Illinois

Illinois is another state with a strong market for diesel mechanics because of its transportation, trucking and fleet operations. The median diesel mechanic salary in Illinois was about $64,340 per year in 2025. A mechanic's actual pay can be different depending on the city, employer, experience and the type of trucks or equipment being repaired.

Diesel technicians in Illinois may work for truck repair shops, transportation companies, fleet operators and other businesses that depend on heavy vehicles. A worker who can handle engine repairs as well as electronic diagnostics can have more job options.

• Median diesel mechanic salary: about $64,340 per year
• Truck and fleet maintenance are common work areas
• Advanced diagnostic skills can help with higher-paying positions

Diesel Mechanic Salary in Indiana

The median salary for diesel mechanics in Indiana was around $60,610 per year in 2025. Indiana has a large transportation and manufacturing connection, and diesel-powered trucks and equipment are used by many businesses across the state.

For an entry-level diesel mechanic, the starting salary is normally lower than the experienced technician's wage. As the worker gets better at troubleshooting engines, transmissions, electrical systems and other heavy vehicle components, the earning potential can increase.

Diesel Mechanic Salary in Iowa

Iowa had a median annual wage of about $59,680 for bus and truck mechanics and diesel engine specialists in 2025. Diesel mechanics can find work in trucking, agriculture-related equipment service, fleet maintenance and repair shops.

A diesel mechanic who is comfortable working on both older and newer diesel systems can be useful to employers. Modern trucks use more electronic controls, so diagnostic knowledge is becoming an important part of diesel technician work.

Diesel Mechanic Salary in Kansas

The median diesel mechanic salary in Kansas was about $59,460 per year in 2025. Kansas is connected to major transportation routes, and commercial trucks travel through the state regularly. This supports demand for mechanics who can keep heavy vehicles running.

Truck diesel mechanic jobs can include regular maintenance, brake work, engine repair, inspections and troubleshooting. The actual diesel mechanic pay will depend on the job and the technician's experience.

• Median annual salary: about $59,460
• Heavy truck repair is one possible career area
• Experience with diesel diagnostics can improve job opportunities

Diesel Mechanic Salary in Kentucky

Kentucky reported a median yearly wage of about $55,480 for diesel mechanics in 2025. A person working as a diesel technician in Kentucky may find jobs with trucking companies, repair businesses, bus operators and other fleet employers.

Starting diesel mechanic salary can be different from the state median because the median includes workers across different experience levels. New mechanics often build their skills through regular service work before moving into more complex diesel repairs.

Diesel Mechanic Salary in Louisiana

The median diesel mechanic salary in Louisiana was around $58,680 per year in 2025. Diesel mechanics are needed in transportation, trucking, fleet operations and other industries that use heavy vehicles and diesel equipment.

Louisiana jobs can also vary based on the kind of equipment a mechanic works on. Someone with experience in heavy-duty diesel engines may qualify for jobs that require more technical repair skills.

Diesel Mechanic Salary in Maine

Maine had a median yearly diesel mechanic wage of about $60,850 in 2025. Mechanics in the state can work on trucks, buses, commercial vehicles and other diesel-powered equipment.

People looking for diesel technician jobs in Maine should compare the full job offer, not only the advertised salary. Benefits, overtime, work hours and the type of equipment can all affect how much a mechanic actually earns during a year.

Diesel Mechanic Salary in Maryland

Maryland had a median annual salary of about $74,790 for bus and truck mechanics and diesel engine specialists in 2025. The state is part of the busy Mid-Atlantic transportation region, and diesel technicians can work with commercial fleets, buses and heavy trucks.

For an experienced heavy duty diesel mechanic, advanced troubleshooting and repair skills can be especially useful. Employers may need technicians who can diagnose problems instead of simply replacing parts.

• Median diesel mechanic salary: about $74,790
• Commercial truck and fleet work can provide career opportunities
• Advanced diesel diagnostic experience can be valuable

Diesel Mechanic Salary in Massachusetts

The median diesel mechanic salary in Massachusetts was about $73,270 per year in 2025. Diesel technicians can work with transportation fleets, buses, trucks and other diesel-powered vehicles.

The average salary people see in job listings can vary from the official state median. Location inside the state, years of experience and employer type are some of the reasons. A new diesel mechanic normally does not start at the same pay as a technician with many years in the trade.

Diesel Mechanic Salary in Michigan

Michigan reported a median annual wage of around $61,420 for diesel mechanics in 2025. With its large automotive and transportation industries, the state has many types of mechanical work, including jobs involving diesel trucks and heavy vehicles.

A truck diesel mechanic may spend a normal workday checking engines, changing worn parts, repairing mechanical systems and using diagnostic tools to find problems. The work can be physically demanding, but experienced technicians can move into more specialized roles.

Diesel Mechanic Salary in Minnesota

Minnesota had a median diesel mechanic salary of about $66,840 per year in 2025. Diesel mechanics can work on commercial trucks, buses, fleet vehicles and heavy equipment.

Cold weather can also make vehicle maintenance important in Minnesota. Employers need mechanics who can keep vehicles working and find problems before a breakdown becomes a bigger issue.

• Median yearly salary: about $66,840
• Fleet and heavy vehicle maintenance are possible job areas
• Experience with engine diagnostics can be helpful

Diesel Mechanic Salary in Mississippi

The median salary for diesel mechanics in Mississippi was about $54,360 per year in 2025. The state has transportation, trucking and other industries that use diesel-powered vehicles and equipment.

Entry-level diesel technicians may begin with basic inspections, maintenance and routine repairs. After gaining experience, they may take on more difficult engine and electrical diagnostic work.

Diesel Mechanic Salary in Missouri

Missouri had a median yearly wage of approximately $59,360 for diesel mechanics in 2025. The state's central location in the U.S. makes transportation and trucking important, which can create different types of diesel mechanic jobs.

A diesel mechanic working for a fleet company may have different responsibilities from one working at a truck repair shop. Some jobs focus mainly on preventive maintenance, while others involve major engine or transmission repairs.

Diesel Mechanic Salary in Montana

The median diesel mechanic salary in Montana was around $59,990 per year in 2025. Diesel mechanics can work with trucks, buses, heavy equipment and other machines that depend on diesel engines.

In smaller communities, a mechanic may need to know a little bit of everything. Being able to handle routine service, mechanical repairs and basic electronic diagnostics can be useful when there are fewer specialized technicians available.

Diesel Mechanic Salary in Nebraska

Nebraska reported a median annual wage of about $59,140 for bus and truck mechanics and diesel engine specialists in 2025. Trucking and commercial transportation are important parts of the state's economy, giving diesel technicians several possible employment areas.

A person searching for a diesel mechanic job in Nebraska can look at fleet maintenance companies, truck dealerships, repair shops and transportation businesses. Experience can make a noticeable difference in diesel mechanic pay over time.

Diesel Mechanic Salary in Nevada

The median diesel mechanic salary in Nevada was about $68,410 per year in 2025. Nevada has transportation, tourism and commercial activity that require buses, trucks and other vehicles to stay in service.

Diesel technicians may work on heavy trucks, buses or fleet vehicles. Workers with strong troubleshooting skills can take on more complex repairs and may qualify for higher-paying positions as their experience grows.

• Median annual salary: about $68,410
• Fleet and commercial vehicle repair are possible career areas
• Heavy-duty diesel experience can be useful for advanced jobs

Diesel Mechanic Salary in New Hampshire

New Hampshire had a median annual wage of around $71,390 for diesel mechanics in 2025. The state's diesel technicians can work on commercial vehicles, trucks, buses and fleet equipment.

When comparing diesel technician salary offers in New Hampshire, it is useful to check whether the position includes overtime, shift work or additional benefits. Two jobs with the same base salary can result in different total yearly earnings.

Diesel Mechanic Salary in New Jersey

The median diesel mechanic salary in New Jersey was about $72,340 per year in 2025. New Jersey is part of the busy Northeast transportation market, where trucks and commercial vehicles move goods between major population centers.

Truck diesel mechanic jobs may involve preventive maintenance, engine repair, brake systems, electrical diagnostics and other heavy vehicle work. Technicians who can diagnose problems quickly can be valuable to fleet operators because vehicle downtime can cost a business money.

Diesel Mechanic Salary in New Mexico

New Mexico reported a median yearly diesel mechanic wage of about $55,910 in 2025. Diesel mechanics in the state can work in truck repair, transportation, fleet maintenance and other businesses using heavy diesel equipment.

Someone starting a diesel mechanic career may first learn routine maintenance and common repairs. With more hands-on experience, the technician can move into heavier repair work and specialized diesel systems.

Diesel Mechanic Salary in New York

New York had a median diesel mechanic salary of about $70,100 per year in 2025. The state has a large transportation system and many commercial trucks, buses and fleet vehicles, which creates different opportunities for diesel technicians.

Pay can vary between different parts of New York. A diesel mechanic working in a large metro area may see different wages and living costs compared with someone working in a smaller community. This is something workers should consider when comparing job offers.

• Median yearly salary: about $70,100
• Bus, truck and fleet repair are possible job areas
• Location and experience can change actual diesel mechanic pay

Diesel Mechanic Salary in North Carolina

The median annual wage for diesel mechanics in North Carolina was about $57,490 in 2025. The state has a large transportation and distribution network, and diesel-powered commercial vehicles are used by many businesses.

Diesel technicians can find work in fleet maintenance, truck service centers and other repair operations. A worker with experience in electronic diagnostics and heavy-duty engine repair may have more choices as compared with someone who only performs basic maintenance.

Diesel Mechanic Salary in North Dakota

North Dakota had a median diesel mechanic salary of approximately $66,110 per year in 2025. Diesel-powered trucks and heavy equipment are important for many types of work in the state, so mechanics with practical repair skills can be needed.

The job can involve long hours or outdoor work depending on the employer and equipment. For workers considering this career, it is worth asking about work schedule, overtime and the type of diesel equipment before accepting a position.

Diesel Mechanic Salary in Ohio

Ohio reported a median yearly salary of about $60,470 for diesel mechanics in 2025. The state has transportation, manufacturing and logistics businesses that use trucks, buses and other heavy vehicles.

A diesel mechanic in Ohio may work in a dealership, independent repair shop or private fleet. The daily work can range from oil and filter service to complicated engine diagnostics and major repairs.

Diesel Mechanic Salary in Oklahoma

The median diesel mechanic salary in Oklahoma was about $55,340 per year in 2025. Diesel technicians can work with commercial trucks, buses, heavy equipment and other diesel engines used across the state.

Workers who build skills in engine repair, hydraulics, electrical systems and computer diagnostics may be able to move into more technical diesel mechanic positions. Experience is one of the main things that can change pay during a mechanic's career.

Diesel Mechanic Salary in Oregon

Oregon had a median annual diesel mechanic wage of about $63,970 in 2025. Trucking, transportation and fleet operations create opportunities for diesel mechanics who can maintain and repair heavy vehicles.

A diesel technician salary in Oregon may be different from the statewide median depending on the employer and location. Workers should compare base pay with overtime, benefits and working conditions when looking at available jobs.

Diesel Mechanic Salary in Pennsylvania

The median diesel mechanic salary in Pennsylvania was about $61,740 per year in 2025. Pennsylvania has a large network of highways and commercial transportation, so truck and fleet maintenance is an important area for diesel technicians.

Diesel mechanics may work on engines, transmissions, brakes, suspension systems and electrical components. Modern heavy trucks also use computer-controlled systems, so learning diagnostic equipment can help a mechanic stay useful in the job market.

Diesel Mechanic Salary in Rhode Island

Rhode Island reported a median yearly wage of about $67,270 for diesel mechanics in 2025. The state is small, but diesel technicians can still find work connected with trucks, buses, transportation companies and fleet vehicles.

Because there can be differences between employers, a worker should check the complete compensation package before comparing diesel mechanic jobs. Hourly rate, overtime, benefits and regular working hours all matter when calculating yearly pay.

Diesel Mechanic Salary in South Carolina

South Carolina had a median diesel mechanic salary of approximately $59,330 per year in 2025. The state's transportation and manufacturing activity supports demand for commercial vehicles and the technicians who maintain them.

For a new diesel mechanic, starting pay can be below the state median. With several years of hands-on experience and stronger diagnostic skills, a technician may qualify for more advanced jobs.

Diesel Mechanic Salary in South Dakota

The median annual wage for diesel mechanics in South Dakota was around $58,120 in 2025. Diesel-powered trucks and heavy equipment are used across transportation, agriculture and other industries, giving mechanics different types of work to consider.

A technician who is comfortable repairing both mechanical and electronic systems can be useful to employers. Regular training is also becoming more important as diesel vehicles continue to use more computer-controlled technology.

Diesel Mechanic Salary in Tennessee

Tennessee had a median annual wage of about $59,190 for bus and truck mechanics and diesel engine specialists in 2025. Diesel mechanics can find work with trucking companies, fleet operators, repair shops and businesses that use heavy vehicles.

A diesel technician working in Tennessee may handle regular service as well as engine, brake, transmission and electrical repairs. The actual diesel mechanic pay can change based on experience, location and the type of employer.

Diesel Mechanic Salary in Texas

Texas is one of the biggest states for trucking and transportation, and diesel mechanics can find many types of jobs here. The median diesel mechanic salary in Texas was about $58,810 per year in 2025.

Truck diesel mechanic jobs in Texas can be found with private fleets, truck repair shops, transportation companies and other employers. A mechanic with heavy-duty diesel experience may also work on larger commercial vehicles and specialized equipment.

Texas is a large state, so pay can be different from one city or area to another. Someone searching for a diesel mechanic job should compare the hourly wage, overtime opportunities and benefits along with the base salary.

• Median annual salary: about $58,810
• Many jobs are connected with trucking and fleet maintenance
• Heavy-duty diesel repair skills can open additional opportunities
• Overtime can affect total yearly earnings

Diesel Mechanic Salary in Utah

Utah reported a median yearly wage of about $64,350 for diesel mechanics in 2025. Diesel technicians can work on commercial trucks, buses, fleet vehicles and other diesel-powered equipment.

Modern diesel engines are not only mechanical systems. They also use sensors, electronic controls and computer diagnostics. Because of this, a diesel mechanic who understands both traditional repair work and newer technology can have useful skills for the job market.

Diesel Mechanic Salary in Vermont

The median diesel mechanic salary in Vermont was around $59,390 per year in 2025. Diesel technicians in the state may work with trucks, buses, commercial vehicles and equipment that needs regular maintenance.

Smaller repair businesses may expect a mechanic to handle many different types of work. This can be a good way for a new technician to build practical experience before moving into a more specialized diesel mechanic position.

Diesel Mechanic Salary in Virginia

Virginia had a median annual wage of about $61,090 for bus and truck mechanics and diesel engine specialists in 2025. The state has major transportation routes and commercial vehicle activity, creating work for diesel technicians.

Diesel mechanic jobs in Virginia can include fleet maintenance, truck repair, bus service and heavy vehicle maintenance. Experience with electronic diagnostics can be especially useful because newer diesel vehicles depend more on computer-controlled systems.

• Median salary: about $61,090 per year
• Truck and fleet maintenance are common career areas
• Diagnostic and electrical skills can improve job opportunities

Diesel Mechanic Salary in Washington

Washington had a median diesel mechanic salary of about $77,900 per year in 2025. This is above the national median for the occupation. Diesel mechanics in Washington can work on trucks, buses, commercial fleets and other heavy diesel vehicles.

For an experienced heavy duty diesel mechanic, Washington can have different types of opportunities depending on location and employer. However, workers should also compare housing and other living costs when looking at a salary in the state.

Diesel Mechanic Salary in West Virginia

West Virginia reported a median yearly diesel mechanic wage of about $46,610 in 2025. The state figure can be useful for understanding the local market, but individual diesel technician jobs may pay differently based on experience and employer.

Diesel mechanics may work on trucks, buses, fleet vehicles and heavy equipment. A worker who gains experience in engine diagnostics, electrical repair and preventive maintenance can build toward more advanced positions.

Diesel Mechanic Salary in Wisconsin

Wisconsin had a median annual diesel mechanic salary of about $62,450 in 2025. The state has transportation, manufacturing and other businesses that depend on commercial vehicles and diesel equipment.

A diesel technician can work in a repair shop, dealership, private fleet or transportation company. The type of workplace can change the daily job duties and also the pay structure.

Diesel Mechanic Salary in Wyoming

The median diesel mechanic salary in Wyoming was around $61,580 per year in 2025. Diesel engines are used in trucks, heavy equipment and other vehicles, giving skilled mechanics opportunities in several industries.

Some jobs may involve working on large equipment rather than only road trucks. Mechanics who are comfortable with heavy-duty engines and troubleshooting can find different career paths within the diesel trade.

How Much Does a Diesel Mechanic Make?

So, how much does a diesel mechanic make in the United States? The answer depends on experience, location, employer and the type of diesel work being done. The national median annual wage was $61,770 in May 2025, but state wages in the table above show that the number can be quite different around the country.

An entry-level diesel mechanic usually earns less than an experienced technician. Over time, a worker can increase pay by learning advanced diagnostics, electrical systems, engine rebuilding, transmission work and other skills that employers need.

• Entry-level diesel mechanic: usually starts below the experienced-worker median
• Experienced diesel technician: can earn more as skills and responsibility increase
• Heavy-duty diesel mechanic: may work on larger trucks and equipment
• Fleet mechanic: may receive different pay and benefit packages depending on the employer

Diesel Mechanic Hourly Pay

Diesel mechanic hourly pay is another common way employers advertise these jobs. The national median hourly wage was about $29.70 in May 2025. This is a median figure, not a fixed hourly rate for every diesel mechanic.

If a mechanic is paid hourly, overtime can make a noticeable difference in total yearly income. Some employers also use different pay systems or offer additional compensation depending on the job. That is why it is better to look at the complete offer instead of only the hourly number.

Diesel Mechanic Starting Salary

A diesel mechanic starting salary is normally lower than the median salary for all workers in the occupation. A person who is new to the trade may begin with basic maintenance, inspections and simple repair tasks while learning from more experienced technicians.

Starting pay can depend on whether the worker has technical school training, previous mechanical experience, certifications or hands-on skills. A person who already understands diesel engines and diagnostic equipment may have more options when applying for the first job.

Diesel Technician Salary vs. Diesel Mechanic Salary

The terms diesel mechanic and diesel technician are often used for similar jobs. In many workplaces, a diesel technician does mechanical repair but also spends more time using electronic diagnostic tools and computerized systems.

Because modern diesel trucks use a lot of electronic technology, technicians need more than just basic engine repair knowledge. Understanding diagnostic software, sensors, electrical systems and emissions-related components can be useful for career growth.

Heavy Duty Diesel Mechanic Salary

A heavy duty diesel mechanic works on large vehicles and equipment such as heavy trucks, buses and other commercial equipment. Pay can vary depending on the employer, experience and the exact type of equipment being serviced.

Heavy-duty work can require stronger troubleshooting skills because the systems are often larger and more complicated. Mechanics may need to inspect engines, transmissions, braking systems, electrical components and other vehicle systems.

• Heavy truck repair
• Engine diagnostics
• Transmission service
• Electrical and electronic troubleshooting
• Preventive maintenance
• Brake and suspension repair

Truck Diesel Mechanic Salary

A truck diesel mechanic focuses mainly on diesel-powered commercial trucks and related vehicles. Truck diesel mechanic salary can vary widely depending on state, experience, fleet size and employer.

Truck mechanics are important to transportation companies because a vehicle that stays in the repair shop cannot make deliveries or complete its normal work. This is one reason employers need technicians who can find problems and complete repairs properly.

What Does a Diesel Mechanic Do?

A diesel mechanic's work is not limited to changing oil or replacing parts. The technician may inspect a vehicle, find the cause of a problem, repair damaged components and test the vehicle before it goes back into service.

Common duties can include:

• Inspecting diesel engines and heavy vehicles
• Finding mechanical and electrical problems
• Repairing or replacing damaged parts
• Performing preventive maintenance
• Using computer diagnostic equipment
• Testing vehicles after repairs
• Keeping service and repair records

What Skills Help a Diesel Mechanic Earn More?

There is no single skill that guarantees a higher salary, but some technical abilities can make a mechanic more useful to employers. Diesel technology keeps changing, so technicians who continue learning can keep up with newer vehicles and repair systems.

• Diesel engine diagnostics
• Electrical system troubleshooting
• Computer diagnostic tools
• Heavy truck repair
• Preventive maintenance
• Transmission and drivetrain repair
• Hydraulic system knowledge
• Experience with newer diesel technology

Diesel Mechanic Career Outlook

The diesel mechanic career is expected to continue having job openings as businesses need technicians to maintain and repair trucks, buses and other diesel-powered vehicles. The U.S. Bureau of Labor Statistics projects about 4 percent employment growth for diesel service technicians and mechanics from 2025 to 2035.

There will also be job openings from workers who leave the occupation or retire. This means a person entering the trade does not only need to look at the current diesel mechanic salary. Training, location, job stability, working conditions and opportunities to learn new technology are also worth considering.

Is Diesel Mechanic a Good Career?

Diesel mechanic work can be a practical career for someone who likes fixing machines, working with tools and solving mechanical problems. The work is often hands-on and can involve heavy parts, noise, dirt and sometimes uncomfortable working conditions.

The earning potential can improve with experience and specialized skills. A person who enjoys mechanical work and is willing to keep learning diesel technology may find several paths in truck repair, fleet maintenance, transportation and heavy equipment service.

Final Thoughts on Diesel Mechanic Salary

Diesel mechanic salary in the USA depends on much more than one national number. The 2025 national median was $61,770 per year, while state median wages range from lower figures in some states to more than $80,000 in Hawaii. Experience, job location, employer, overtime and technical skills can all change what an individual mechanic actually earns.

For someone planning to enter this trade, it makes sense to compare diesel mechanic salary by state and also look at the type of job being offered. Starting salary may be lower, but gaining experience in heavy-duty repair, diagnostics and modern diesel systems can create more opportunities later in the career.