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Heavy truck mechanic vs diesel mechanic

The differences between heavy truck mechanics and diesel mechanics can be seen in a few details. Each job has different responsibilities and duties. It typically takes 1-2 years to become both a heavy truck mechanic and a diesel mechanic. Additionally, a diesel mechanic has an average salary of $49,842, which is higher than the $49,777 average annual salary of a heavy truck mechanic.

The top three skills for a heavy truck mechanic include CDL, diagnosis and OSHA. The most important skills for a diesel mechanic are CDL, preventative maintenance, and DOT.

Heavy truck mechanic vs diesel mechanic overview

Heavy Truck MechanicDiesel Mechanic
Yearly salary$49,777$49,842
Hourly rate$23.93$23.96
Growth rate4%4%
Number of jobs83,97285,684
Job satisfaction-5
Most common degreeHigh School Diploma, 34%High School Diploma, 42%
Average age4242
Years of experience22

What does a heavy truck mechanic do?

Heavy truck mechanics repair and maintain trucks. They are responsible for the inspection, diagnosis, and repair of brake systems. They may work on include engines, transmissions, electrical components, or steering systems. Typically, they work for freight companies, truck manufacturers, local government agencies, or repair shops. To be a heavy truck mechanic, they must be physically strong and have the ability to be able to work in noisy environments.

What does a diesel mechanic do?

A diesel mechanic is a skilled technician responsible for the checking, maintenance, and repair of diesel engines. Diesel mechanics duties also include regular inspections of vehicles upon customer's request to ensure the smooth performance of the machine, communicate on any system issue that might cause malfunctions, and provide any replacement to renovate a damaged part of the engine. A diesel mechanic must be highly-knowledgeable on everything related to diesel engines to provide the best, long-term solutions for the customers.

Heavy truck mechanic vs diesel mechanic salary

Heavy truck mechanics and diesel mechanics have different pay scales, as shown below.

Heavy Truck MechanicDiesel Mechanic
Average salary$49,777$49,842
Salary rangeBetween $37,000 And $66,000Between $37,000 And $67,000
Highest paying CityAnaheim, CARichmond, CA
Highest paying stateCaliforniaHawaii
Best paying companyHunter ContractingHensel Phelps
Best paying industryAutomotiveEnergy

Differences between heavy truck mechanic and diesel mechanic education

There are a few differences between a heavy truck mechanic and a diesel mechanic in terms of educational background:

Heavy Truck MechanicDiesel Mechanic
Most common degreeHigh School Diploma, 34%High School Diploma, 42%
Most common majorAutomotive TechnologyAutomotive Technology
Most common college--

Heavy truck mechanic vs diesel mechanic demographics

Here are the differences between heavy truck mechanics' and diesel mechanics' demographics:

Heavy Truck MechanicDiesel Mechanic
Average age4242
Gender ratioMale, 97.6% Female, 2.4%Male, 96.3% Female, 3.7%
Race ratioBlack or African American, 9.1% Unknown, 5.0% Hispanic or Latino, 12.8% Asian, 2.5% White, 69.5% American Indian and Alaska Native, 1.1%Black or African American, 8.1% Unknown, 5.0% Hispanic or Latino, 18.2% Asian, 2.4% White, 65.3% American Indian and Alaska Native, 1.1%
LGBT Percentage2%2%

Differences between heavy truck mechanic and diesel mechanic duties and responsibilities

Heavy truck mechanic example responsibilities.

  • Accomplish several other kenworth basic training modules.Skills UsedProblem solving, mechanical aptitude, and efficient workmanship.
  • Comply with all dot regulations.Skills usedrepair vehicles right before being put on street.
  • Have committed myself to working safely base on OSHA standard to avoid personal injuries.
  • Raise trucks, buses, and heavy parts or equipment using hydraulicjacks or hoists.
  • Light warranty work include wheel seals and break replacement, HVAC, window replacement and body components.
  • Document repairs, modifications and inspections in accordance with FAA requirements on both paper and in an automate maintenance information database.
  • Show more

Diesel mechanic example responsibilities.

  • Install and rebuild hydraulic systems on trucks to include cylinders, PTO pumps, and hoses.
  • Repair diesel engines; replace clutches, water pumps, turbo, alternators, brakes and HVAC.
  • Maintain and troubleshoot various kinds of heavy equipment like forklifts, graders, loaders and, buses.
  • Perform diagnosis and repairs to electrical systems as failures/problems occur.
  • Utilize CDL to test drive vehicles.
  • Maintain driveline and brake components of fleet trucks.
  • Show more

Heavy truck mechanic vs diesel mechanic skills

Common heavy truck mechanic skills
  • CDL, 23%
  • Diagnosis, 18%
  • OSHA, 12%
  • Service Calls, 7%
  • Troubleshoot, 4%
  • DOT, 4%
Common diesel mechanic skills
  • CDL, 19%
  • Preventative Maintenance, 12%
  • DOT, 11%
  • Hand Tools, 9%
  • OSHA, 5%
  • Diagnosis, 4%

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