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As of August 01, 2026, the average salary for a Diesel Engine Mechanic I in Indiana is $47,900 per year, which breaks down to an hourly rate of $23.
However, a Diesel Engine Mechanic I's salary can vary significantly. Here’s a look at the typical salary range:
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Diesel Engine Mechanic I Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $52,700 | $4,392 | $1,013 | $25 |
| Average | $47,900 | $3,992 | $921 | $23 |
| 25th Percentile | $43,400 | $3,617 | $835 | $21 |
Thomas Lawn & Landscape Inc. - Indianapolis, IN
Lead- LMC - Mooresville, IN
Ace Hardware - Avon, IN
Ace Hardware - Greenwood, IN
A Diesel Engine Mechanic I's salary isn't a fixed number. It's shaped by several important factors. Below, we'll explore how your years of experience, geographic location, and company size can directly affect your earning potential.
Experience is a primary driver of a Diesel Engine Mechanic I's salary. As you build your skills and take on more complex tasks, your compensation generally increases. Here's how the average salary grows at different career stages:
| Job Role | Years of Experience | Average Salary |
|---|---|---|
| Diesel Engine Mechanic I | 0-1 years | $47,894 |
| Diesel Engine Mechanic II | 1-3 years | $53,828 |
| Diesel Engine Mechanic III | 3-5 years | $60,944 |
| Diesel Maintenance Supervisor | 5+ years | $73,868 |
What Am I Worth?
Your salary can change significantly depending on where you work. States with a higher cost of living and strong industrial sectors often pay more to attract Diesel Engine Mechanic Is. For example, consider the average annual salaries in these key locations:
Salaries can also vary between different cities. Major metropolitan areas or cities with a high demand for technicians often offer more competitive pay. Here are a few examples of average annual salaries in different U.S. cities:
Diesel Engine Mechanic I salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $53,621. While startup companies pay approximate $45,362.
| Company Size | Employees | Average Salary |
|---|---|---|
| Startup | 1~50 | $45,362 |
| Growth Stage | 51~500 | $47,976 |
| Established | 501~5000 | $51,781 |
| Enterprise | 5000+ | $53,621 |
For Diesel Engine Mechanic I roles, the industry you choose can affect earning potential by as much as 40% (the gap between the highest and lowest paying industries). Data shows that the Aerospace & Defense and Biotechnology sectors offer the strongest compensation, at 20% above the average. In contrast, Diesel Engine Mechanic positions in Transportation or Telecom typically offer lower base pay, as these industries often view Diesel Engine Mechanic I as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Aerospace & Defense | $57,480 | $28.0 | 20% |
| Biotechnology | $57,480 | $28.0 | 20% |
| Business Services | $57,480 | $28.0 | 20% |
| Chemicals | $57,480 | $28.0 | 20% |
| Construction | $57,480 | $28.0 | 20% |
Understanding how a Diesel Engine Mechanic I's annual salary breaks down can help with budgeting. Below, you can see the average hourly rate, weekly pay, and monthly pay for this role. Use the buttons to switch between different pay periods.
| Annual Salary | Monthly Pay | Weekly Pay | Hourly Wage | |
|---|---|---|---|---|
| 75th Percentile | $52,700 | $4,392 | $1,013 | $25 |
| Average | $47,900 | $3,992 | $921 | $23 |
| 25th Percentile | $43,400 | $3,617 | $835 | $21 |
Promotions are the fastest way to increase your earnings. As a Diesel Engine Mechanic I, you have the following paths for advancement. The table below compares the salary raises for common next-step roles. By comparing these figures, you can choose the career path that best meets your financial goals.
| Next Step Role | Estimate Salary | Projected Raise |
|---|---|---|
| Diesel Engine Mechanic II | $53,900 | 13% |
| Automotive Service Technician II | $53,000 | 11% |
Ready to take the next step in your career? Browse thousands of current Diesel Engine Mechanic I job openings on our job board. Use the search bar below to find your perfect match.
Ace Hardware
Franklin, IN
Ace Hardware | Franklin, IN
Small Engine Mechanic. Candidate should be able to. Conduct routine maintenance on small engines, including oil changes, spark plug replacements, and air f... more
5 Days Ago
City of Jeffersonville
Jeffersonville, IN
City of Jeffersonville | Jeffersonville, IN
Job Description. Job Description. Job Title: MECHANIC: DIESEL. Department. Vehicle Maintenance. Reports To more
1 Day Ago
Rush Enterprises
Indianapolis, IN
Rush Enterprises | Indianapolis, IN
Job Description. Job Description. Responsibilities. Ready for a career change or just starting out. A role as a Rush Technician is a dynamic and fulfilling... more
1 Day Ago
GFL Environmental
Kendallville, IN
GFL Environmental | Kendallville, IN
GFL Environmental - 2164 Production Road - Responsibilities: Diagnose and repair diesel and CNG powered trucks, including engines, electrical systems, prop... more
1 Day Ago
Palmer Trucks
Fort Wayne, IN
Palmer Trucks | Fort Wayne, IN
Service Technician. The primary function of the Service Technician is to diagnose and complete repairs on heavy and medium duty trucks. Individual will per... more
1 Day Ago
Swift Transportation
Gary, IN
Swift Transportation | Gary, IN
Swift Transportation - 6500 W Airport Rd - Responsibilities: Perform preventative maintenance inspections and repairs on tractors and trailers. Inspect, di... more
2 Days Ago
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