Diesel Service Technician
A Diesel Service Technician specializes in maintaining and repairing vehicles equipped with diesel engines, which are notable for their efficiency and durability, especially in heavy-duty applications like trucks, buses, and construction machinery. Unlike gasoline engines, diesel engines utilize a compression-ignition mechanism. Technicians typically work in repair shops, though they may travel to service customers' machinery at their locations. The role requires strong problem-solving skills, as technicians diagnose and repair complex mechanical issues, often using both hand tools and advanced computerized testing equipment.
Work environments can be physically demanding and involve exposure to noise and dirt. Technicians often adhere to strict safety protocols while working with heavy equipment. To become a diesel service technician, individuals usually complete high school and often further their education through technical programs that focus on diesel engine repair. This career path offers opportunities for advancement, particularly for those who gain industry certification or valuable on-the-job experience. Communication skills are also essential, as technicians need to effectively interact with customers and colleagues.
Diesel Service Technician
Snapshot
Career Cluster(s): Manufacturing, Transportation, Distribution & Logistics
Interests: Engineering, engine mechanics, machinery, solving problems, working with your hands
Earnings (Yearly Median): $54,360 per year $26.14 per hour
Employment & Outlook: 8% (Little or no change)
Entry-Level Education High school diploma or equivalent; training programs; industry certification
Related Work Experience None
On-the-job-Training Long-term on-the-job training
Overview
Sphere of Work. Diesel service technicians maintain and repair vehicles with diesel engines. Diesel engines are similar to gasoline engines; however, gasoline engines are spark-ignition engines, whereas diesel engines are compression-ignition engines. Buses and trucks commonly have diesel engines.
![Technician repairing emergency diesel power generator of hospital. By US Navy photo by Photographer's Mate 2nd Class Elizabeth A. Edwards [Public domain], via Wikimedia Commons 89550229-60791.jpg](https://imageserver.ebscohost.com/img/embimages/ers/sp/embedded/89550229-60791.jpg?ephost1=dGJyMNHX8kSepq84xNvgOLCmsE2epq5Srqa4SK6WxWXS)
Diesel engines are more efficient and durable than gasoline engines and, therefore, more practical for heavy-duty jobs. Construction equipment and industrial vehicles such as cranes, bulldozers, tractors, locomotives, and commercial boats all use diesel engines. A diesel service technician is responsible for understanding the inner workings of these different machines, though they often specialize in a particular type of vehicle.
Work Environment. Diesel service technicians work in repair shops where customers or colleagues bring their vehicles to be serviced. On occasion, diesel service technicians travel to their customers, meeting them at their workplace or at a location where their vehicle or equipment has broken down.
Occupation Interest. Diesel service technicians are problem solvers who have the patience and ability to take machines apart, diagnose their problems, and rebuild them. Technicians are interested in engineering, engine mechanics, and machinery. They enjoy facing new challenges and are open to working in dynamic circumstances.
A Day in the Life—Duties and Responsibilities. Most diesel service technicians work in a repair shop. Some work for companies and service a particular fleet of vehicles, while others perform repairs on a per-customer basis. Diesel service technicians often work irregular hours. Overtime, weekend, and evening shifts are common, as some shops offer twenty-four-hour service.
Technicians associated with a company or a specific organization that owns a number of vehicles or machines spend most of their time maintaining those vehicles or machines to prevent them from breaking down. Diesel service technicians who work in a repair shop predominantly identify and respond to problems with broken machines as they come into the shop.
Diesel service technicians must adhere to a checklist of requirements when they are performing an inspection. They test vehicles and engines and analyze the results in order to diagnose problems. They are trained in using hand tools as well as computerized testing equipment. The work can be strenuous and intricate; technicians often perform routine checkups, but they must also be able to take a machine apart and put it back together again if required. Technicians are also responsible for making sure that a vehicle is compliant with federal emissions standards. Working with heavy-duty machines can be dangerous, but technicians are trained in safety procedures.
Work Environment
Immediate Physical Environment. Most diesel service technicians work in a repair shop. Shops are often noisy due to the use of equipment, ventilators, and other machines and the activity of technicians and customers. The work of a technician is often dirty, physically demanding, and dangerous. Technicians take precautions to ensure their safety while working with power tools and heavy equipment.
Human Environment. Diesel service technicians interact with customers and colleagues on a daily basis. They need to be effective communicators to ascertain and explain problems and solutions. Technicians should be comfortable working either individually or as members of a team.
Technological Environment. Diesel service technicians work in a complex technological environment. Technicians typically use both handheld and laptop computers on the job. They use computer-based testing equipment to check emissions, fuel efficiency, and other engine components. They also work with electronic systems that are incorporated into engines.
Education, Training, and Advancement
High School/Secondary. An aspiring diesel service technician should take classes in English, mathematics, and physics. He or she should also study electronics and automotive repair. Most employers require that employees finish high school or pass a general educational development (GED) test. Many companies and repair shops also require that applicants be at least eighteen years of age.
Postsecondary. Most diesel service technicians attend a technical school or community college. Programs last from six months to two years and culminate in an associate’s degree or certificate in diesel engine repair. The programs themselves vary in focus. Some programs emphasize hands-on work, while others spend more time in a lab or classroom. Increasingly, industry certification is becoming common for diesel service technicians.
Though most technicians receive some kind of formal training, some are trained entirely on the job. These technicians usually start their careers by doing smaller jobs in repair shops, such as cleaning machines or moving vehicles and equipment, and are promoted as they acquire and master new skills.
Related Occupations
− Aircraft and Avionics Equipment Mechanics and Technicians Mechanic
− Automotive Body and Glass Repairer
− Automotive Service Technician and Mechanics
− Heavy Vehicle and Mobile Equipment Service Technicians
Bibliography
“Diesel Service Technicians and Mechanics.” Occupational Outlook Handbook. Bureau of Labor Statistics, US Department of Labor, 6 Sept. 2023, www.bls.gov/ooh/installation-maintenance-and-repair/diesel-service-technicians-and-mechanics.htm. Accessed 6 Sept. 2023.
“Occupational Employment and Wages, May 2022: 49-3023 Automotive Service Technicians and Mechanics.” Occupational Employment Statistics, Bureau of Labor Statistics, US Department of Labor, 25 Apr. 2023,www.bls.gov/oes/current/oes493023.htm. Accessed 6 Sept. 2023.