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Diesel mechanic vs trailer mechanic

The differences between diesel mechanics and trailer 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 diesel mechanic and a trailer mechanic. Additionally, a diesel mechanic has an average salary of $49,842, which is higher than the $42,569 average annual salary of a trailer mechanic.

The top three skills for a diesel mechanic include CDL, preventative maintenance and DOT. The most important skills for a trailer mechanic are CDL, hand tools, and work ethic.

Diesel mechanic vs trailer mechanic overview

Diesel MechanicTrailer Mechanic
Yearly salary$49,842$42,569
Hourly rate$23.96$20.47
Growth rate4%4%
Number of jobs85,68486,057
Job satisfaction5-
Most common degreeHigh School Diploma, 42%High School Diploma, 52%
Average age4242
Years of experience22

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.

What does a trailer mechanic do?

A trailer mechanic specializes in providing repair services on large vehicles such as trailers, semi-trucks, and tractors. Their responsibilities revolve around liaising with clients to identify their needs, inspecting machinery and electrical systems, diagnosing issues, conducting fixes and replacements, and explaining the extent of damage or repairs to clients. There are also instances where they must devise testing strategies, ensuring compliance with the government's policies. Furthermore, a trailer mechanic must maintain regular maintenance checks on vehicles to ensure the safety of operators and the efficiency of workflow.

Diesel mechanic vs trailer mechanic salary

Diesel mechanics and trailer mechanics have different pay scales, as shown below.

Diesel MechanicTrailer Mechanic
Average salary$49,842$42,569
Salary rangeBetween $37,000 And $67,000Between $32,000 And $55,000
Highest paying CityRichmond, CABillerica, MA
Highest paying stateHawaiiMassachusetts
Best paying companyHensel PhelpsDayton Freight
Best paying industryEnergyTransportation

Differences between diesel mechanic and trailer mechanic education

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

Diesel MechanicTrailer Mechanic
Most common degreeHigh School Diploma, 42%High School Diploma, 52%
Most common majorAutomotive TechnologyAutomotive Technology
Most common college--

Diesel mechanic vs trailer mechanic demographics

Here are the differences between diesel mechanics' and trailer mechanics' demographics:

Diesel MechanicTrailer Mechanic
Average age4242
Gender ratioMale, 96.3% Female, 3.7%Male, 98.0% Female, 2.0%
Race ratioBlack 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%Black or African American, 9.0% Unknown, 5.0% Hispanic or Latino, 17.3% Asian, 2.5% White, 65.1% American Indian and Alaska Native, 1.1%
LGBT Percentage2%2%

Differences between diesel mechanic and trailer mechanic duties and responsibilities

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.
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Trailer mechanic example responsibilities.

  • Maintain and manage shop for parts, supplies and priority in jobs and cleanliness.
  • Repair equipment in accordance with manufacturer and FMCSA guidelines.use a variety of hand tools pneumatic and hydraulic.
  • Perform PMs on tractors and trailers, brake jobs, wheels seals, A/C repairs, starting system repair.
  • Build croton, core drill, solder, brazing.
  • Install, black iron, cast iron, galvanize, fire sprinkle, gas, copper, & PVC pipe.
  • Experience in small engine lawn mowers.
  • Show more

Diesel mechanic vs trailer mechanic skills

Common diesel mechanic skills
  • CDL, 19%
  • Preventative Maintenance, 12%
  • DOT, 11%
  • Hand Tools, 9%
  • OSHA, 5%
  • Diagnosis, 4%
Common trailer mechanic skills
  • CDL, 19%
  • Hand Tools, 13%
  • Work Ethic, 11%
  • DOT, 11%
  • Safety Inspections, 7%
  • Perform Routine Maintenance, 7%

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