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Service mechanic vs diesel mechanic

The differences between service 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 service mechanic and a diesel mechanic. Additionally, a diesel mechanic has an average salary of $49,842, which is higher than the $47,240 average annual salary of a service mechanic.

The top three skills for a service mechanic include customer service, preventative maintenance and hydraulic systems. The most important skills for a diesel mechanic are CDL, preventative maintenance, and DOT.

Service mechanic vs diesel mechanic overview

Service MechanicDiesel Mechanic
Yearly salary$47,240$49,842
Hourly rate$22.71$23.96
Growth rate4%4%
Number of jobs116,38385,684
Job satisfaction-5
Most common degreeHigh School Diploma, 36%High School Diploma, 42%
Average age4242
Years of experience22

What does a service mechanic do?

A service mechanic, or often known as a service technician, is an individual who inspects, maintains, and repairs cars and light trucks. Service mechanics must identify the vehicle's problems by using computerized diagnostic equipment and test parts and systems to ensure that they work properly. They must perform basic vehicular care and maintenance such as changing oil, checking fluid levels, and rotating tires. Service mechanics should also explain automotive problems to customers and perform repairs according to the manufacturer ad customer specifications.

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.

Service mechanic vs diesel mechanic salary

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

Service MechanicDiesel Mechanic
Average salary$47,240$49,842
Salary rangeBetween $33,000 And $66,000Between $37,000 And $67,000
Highest paying CitySan Jose, CARichmond, CA
Highest paying stateCaliforniaHawaii
Best paying companySandia National LabsHensel Phelps
Best paying industryEnergyEnergy

Differences between service mechanic and diesel mechanic education

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

Service MechanicDiesel Mechanic
Most common degreeHigh School Diploma, 36%High School Diploma, 42%
Most common majorAutomotive TechnologyAutomotive Technology
Most common college--

Service mechanic vs diesel mechanic demographics

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

Service MechanicDiesel Mechanic
Average age4242
Gender ratioMale, 96.8% Female, 3.2%Male, 96.3% Female, 3.7%
Race ratioBlack or African American, 7.9% Unknown, 5.0% Hispanic or Latino, 18.7% Asian, 2.4% White, 65.0% 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 service mechanic and diesel mechanic duties and responsibilities

Service mechanic example responsibilities.

  • Maintain and manage shop for parts, supplies and priority in jobs and cleanliness.
  • Redesign and modify existing heavy machine shop equipment to meet or exceed strict OSHA requirements.
  • DOT inspect various types of vehicles and do the repairs or adjustments on them.
  • Perform troubleshooting and diagnosis, provide suggestions to superiors for a cost effective and safe repair.
  • Implement new safety procedures for both transportation and material handling equipment IAW OSHA and local laws.
  • Perform service on 25 ton to 500 ton chillers , 5-30 package rooftop equipment, split HVAC equipment.
  • 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

Service mechanic vs diesel mechanic skills

Common service mechanic skills
  • Customer Service, 9%
  • Preventative Maintenance, 8%
  • Hydraulic Systems, 5%
  • Mechanical Equipment, 5%
  • HVAC, 5%
  • Diagnosis, 5%
Common diesel mechanic skills
  • CDL, 19%
  • Preventative Maintenance, 12%
  • DOT, 11%
  • Hand Tools, 9%
  • OSHA, 5%
  • Diagnosis, 4%

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