What Is a Mobile Diesel Mechanic?


Mobile Diesel Mechanic: On-Site Repairs

Not all diesel mechanics work in a garage or at a single location. Mobile diesel mechanics go where the jobs are. They fix diesel trucks and diesel equipment at locations like the side of the road, on farms and at various businesses where trucks and equipment need repairs. They also travel to clients to perform routine maintenance.

Work as a mobile diesel mechanic is interesting because you’re constantly dealing with new customers, new vehicles and new challenges. If you enjoy being on the move and want your work environment to change every day, work as a mobile diesel mechanic may be for you.

Mobile Diesel Mechanic Job Description

Diesel mechanics work on engines and machinery that power large vehicles and equipment, like transportation trucks, buses, cranes and bulldozers. Mobile diesel mechanics, also known as mobile diesel technicians or mobile truck mechanics, go directly to the customer. Instead of servicing vehicles and equipment in a single repair shop, on-the-go diesel mechanics drive out to the client and bring their repair equipment with them.

A day in the life of a mobile diesel tech might look like:

  • Getting a job assignment from the general manager.
  • Heading out to the client to perform a repair or to do maintenance, which may include running diagnostic tests, replacing vehicle engines and repairing transmissions and braking systems.
  • Professionally communicating with the client and the general manager on the job status.
  • Maintaining a safe service truck and effective equipment.

Mobile diesel mechanics may not always work the typical 9-to-5 job schedule. If you crave flexibility, you might be interested in a mobile diesel technician job because it could involve working nights and/or weekends, if that’s what you’re looking for.

Some mobile diesel mechanics form their own mobile diesel mechanic businesses, which allows them to control their workload and schedule.

All mobile diesel mechanics need to have excellent communication skills, since they’re dealing directly with clients. They also need to be physically fit, because they’re working with tools and heavy equipment.

How to Become a Mobile Diesel Mechanic

Mobile diesel mechanics have the same knowledge that a diesel mechanic working in a shop would. For those who want to be hired on as a mobile diesel mechanic, the U.S. Bureau of Labor Statistics (BLS) reports employers prefer to hire applicants who have completed postsecondary diesel engine repair training. Trade school graduates already have the knowledge to start an entry-level job as a diesel mechanic and can require less immediate on-the-job training to get started.

Diesel student works on an engine in a UTI lab.

Some mobile diesel mechanic jobs will require that an applicant has worked in a shop for a number of years. Sometimes, having formal diesel mechanic training is enough to get an entry-level job as a mobile diesel mechanic.

In some cases, mobile diesel mechanic employers will require that a technician is certified by the National Institute for Automotive Service Excellence (ASE) or is working toward certification, since it requires two years of experience. ASE certification is the standard for professional diesel mechanics. An advantage of studying the Diesel Technology program at Universal Technical Institute (UTI) is that the program counts toward one year of experience for ASE certification.16

Whether you work for yourself or someone else, you’ll need to have your own set of tools to complete diesel mechanic work. This diesel mechanic tools list was created based on what some of the most well-known diesel brands require. 

Mobile diesel mechanics who apply for employment also need to have good driving records and a valid driver’s license. Because a mobile diesel mechanic job requires a lot of driving to get to clients, employers want to hire safe, legal drivers.

If your record has moving violations on it, you may still be able to get a mobile diesel mechanic job. It’s always important to be honest during the application process.

Creating Your Own Mobile Diesel Mechanic Business

To create a mobile diesel repair business, you’ll want to create a business plan and form a legal structure for your business. The U.S. Small Business Administration (SBA) has information on how to register your business. You’ll also want to take care of:

The SBA provides local small business resources to help you get started.

Mobile Diesel Mechanic Outlook

The BLS reports that 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 of diesel technicians earned more and half earned less. Keep in mind that salary can vary based on several factors, including the experience, employer, demand and cost of living in the area.


What are the benefits of using a traveling diesel mechanic?

Traveling diesel mechanics are beneficial because they offer convenience and flexibility. They travel to homes or workplaces to help customers with busy schedules or competing priorities. They also often offer night or weekend service.

Do mobile diesel technicians perform emergency repairs?

Yes, this is one of the benefits of traveling mechanics! They can meet customers roadside to help them get their vehicle back on the road as quickly and safely as possible.

What services does a mobile diesel mechanic offer?

Mobile diesel mechanics travel with tools and parts that help them diagnose and repair various mechanical parts and technical systems, such as engines, brakes, transmissions, or electrical and cooling systems. They also perform maintenance tasks like oil changes, lubricating equipment and checking tire pressure.

What is a mobile heavy diesel mechanic?

A mobile heavy diesel mechanic specializes in large machinery. They might travel to truck stops, roadside sites, construction sites, mines or farms to service equipment such as transportation trucks, buses, locomotives, cranes or bulldozers.

Get Training to Become a Diesel Technician

If working with big trucks and diesel equipment in a mobile position sounds appealing to you, you can complete your diesel technician training at UTI in less than a year.1,7 UTI’s Diesel Technology program is 45 weeks long and can help prepare students for careers as entry-level diesel technicians. Get hands-on training in a supportive environment so you’re prepared to begin a career as a mobile diesel mechanic.18

For information on the program, call 1-800-834-7308 or request info online.

UTI Campuses That Offer Diesel Mechanic Training

With classes starting every 3-6 weeks, no need to wait to start your career.
Hands-on training.Get hands on experience with the industry's leading brands.
No Pressure to commit.Get answers to your questions without any obligations.
Or Call Now 800.834.7308

1 ) UTI is an educational institution and cannot guarantee employment or salary.
2 ) For program outcome information and other disclosures, visit www.uti.edu/disclosures.
7 ) Some programs may require longer than one year to complete.
16 )  Not all programs are accredited by the ASE Education Foundation.
18 ) UTI now offers all of its automotive, diesel, motorcycle and marine technician training in a blended-learning format consisting of online lecture courses along with in-person, hands-on lab training.
29 ) UTI’s Diesel Technology Program prepares graduates for entry-level positions using the provided training, primarily as diesel technicians. Estimated annual salary shown above is for Bus and Truck Mechanics and Diesel Engine Specialists as published in the U.S. Bureau of Labor Statistics’ May 2023 Occupational Employment and Wages. Entry-level salaries are lower for UTI graduates. UTI is an educational institution and cannot guarantee employment or salary. UTI graduates’ achievements may vary. Individual circumstances and wages depend on economic factors, personal credentials, work experience, industry certifications, the location of the employer, and their compensation programs. Some UTI graduates get jobs within their field of study in positions other than as diesel truck technicians, including in industries such as heavy equipment repair, power generation, and agriculture. Salary information for the Commonwealth of Massachusetts: The average annual entry-level salary range for persons employed as Bus and Truck Mechanics and Diesel Engine Specialists (49-3031) in the Commonwealth of Massachusetts is $48,980 (Massachusetts Labor and Workforce Development, May 2022 data https://lmi.dua.eol.mass.gov/lmi/OccupationalEmploymentAndWageAllIndustries/OEWResult?A=01&GA=000025&OG=493031&Dopt=TEXT). Salary information for North Carolina: The U.S. Department of Labor estimates the hourly median wage for skilled diesel technicians in North Carolina is $25.28 (Bureau of Labor Statistics, U.S. Department of Labor, May 2023 Occupational Employment and Wages, Bus and Truck Mechanics and Diesel Engine Specialists). The Bureau of Labor Statistics does not publish entry-level salary data. However, the 25th and 10th percentile of hourly earnings in North Carolina are $21.55 and $18.00, respectively.

Universal Technical Institute of Illinois, Inc. is approved by the Division of Private Business and Vocational Schools of the Illinois Board of Higher Education.


Take 60 seconds and find out how you can get trained.

Step 1 of 1

By submitting this form, I agree that MIAT College of Technology, Universal Technical Institute, Inc., Custom Training Group, Inc. and their representatives may email, call, and / or text me with marketing messages about educational programs and services, as well as for school-related communications, at any phone number I provide, including a wireless number, using prerecorded calls or automated technology. I understand that my consent is not required to apply, enroll or make any purchase. I further understand and agree that I may instead call MIAT at 1-800-477-1310 for Canton, MI and 1-888-547-7047 for Houston, TX or UTI at 1-800-913-7524 to request admission information. I understand that if I do submit this form, I may unsubscribe within marketing emails or opt-out of text messages at any time by replying “STOP.” Standard text message and data rates may apply.By submitting this form, I further understand and agree that all information provided is subject to UTI’s Privacy Policy available at www.uti.edu/privacy-policy and UTI's SMS Terms and Conditions available at www.uti.edu/sms-terms-conditions.