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Diesel engineer vs diesel mechanic

The differences between diesel engineers and diesel mechanics can be seen in a few details. Each job has different responsibilities and duties. While it typically takes 4-6 years to become a diesel engineer, becoming a diesel mechanic takes usually requires 1-2 years. Additionally, a diesel engineer has an average salary of $100,487, which is higher than the $49,842 average annual salary of a diesel mechanic.

The top three skills for a diesel engineer include MATLAB, data acquisition and inca. The most important skills for a diesel mechanic are CDL, preventative maintenance, and DOT.

Diesel engineer vs diesel mechanic overview

Diesel EngineerDiesel Mechanic
Yearly salary$100,487$49,842
Hourly rate$48.31$23.96
Growth rate2%4%
Number of jobs104,32285,684
Job satisfaction55
Most common degreeBachelor's Degree, 49%High School Diploma, 42%
Average age4142
Years of experience62

What does a diesel engineer do?

A diesel Engineer inspects, maintains, and repairs diesel engines. They diagnose engines and examine the engine parts and system machinery to identify the vehicle's right service. These professionals use several tools like pliers, lathes, drills, screwdrivers, wrenches, and grinders to complete their tasks. They measure engine power by using different pieces of testing equipment like dynamometers. Moreover, these professionals rebuild engines or repair starting systems, cylinder heads, fuel-injection systems, large-sized natural gas engines, and turbochargers.

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.

Diesel engineer vs diesel mechanic salary

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

Diesel EngineerDiesel Mechanic
Average salary$100,487$49,842
Salary rangeBetween $69,000 And $146,000Between $37,000 And $67,000
Highest paying CitySan Diego, CARichmond, CA
Highest paying stateCaliforniaHawaii
Best paying companyFCA US LLCHensel Phelps
Best paying industryAutomotiveEnergy

Differences between diesel engineer and diesel mechanic education

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

Diesel EngineerDiesel Mechanic
Most common degreeBachelor's Degree, 49%High School Diploma, 42%
Most common majorMechanical EngineeringAutomotive Technology
Most common collegeNorthwestern University-

Diesel engineer vs diesel mechanic demographics

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

Diesel EngineerDiesel Mechanic
Average age4142
Gender ratioMale, 89.7% Female, 10.3%Male, 96.3% Female, 3.7%
Race ratioBlack or African American, 3.4% Unknown, 4.6% Hispanic or Latino, 9.2% Asian, 11.6% White, 71.1% American Indian and Alaska Native, 0.1%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 Percentage5%2%

Differences between diesel engineer and diesel mechanic duties and responsibilities

Diesel engineer example responsibilities.

  • Manage Jenkins security by providing specific access to authorize developers/testers using project base matrix authorization strategy.
  • Verify test cell calibrations through INCA, along with calibrating vehicle specific calibrations in vehicles.
  • Work with Oberlin vendor on development of new PLC programming and layout of PLC control cabinet.
  • Perform PMS on necessary engineering components monthly.
  • Prepare emission certification documentations for submittal to EPA.
  • Provide DCS equipment specifications including network tie-in with existing Honeywell DCS system.3.
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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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Diesel engineer vs diesel mechanic skills

Common diesel engineer skills
  • MATLAB, 45%
  • Data Acquisition, 29%
  • Inca, 9%
  • EPA, 6%
  • Engine Room, 3%
  • HVAC, 3%
Common diesel mechanic skills
  • CDL, 19%
  • Preventative Maintenance, 12%
  • DOT, 11%
  • Hand Tools, 9%
  • OSHA, 5%
  • Diagnosis, 4%

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