As of August 01, 2026, the average salary for a Diesel Engine Specialist I in the United States is $49,900 per year, which breaks down to an hourly rate of $24.
However, a Diesel Engine Specialist I's salary can vary significantly. Here’s a look at the typical salary range:
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A Diesel Engine Specialist 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 Specialist 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 Specialist I | 0-1 years | $49,895 |
| Diesel Engine Mechanic II | 1-3 years | $56,077 |
| Diesel Engine Mechanic III | 3-5 years | $63,490 |
| Diesel Maintenance Supervisor | 5+ years | $76,954 |
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 Specialist Is. For example, consider the average annual salaries in these key locations:
Diesel Engine Specialist I salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $55,860. While startup companies pay approximate $47,256.
| Company Size | Employees | Average Salary |
|---|---|---|
| Startup | 1~50 | $47,256 |
| Growth Stage | 51~500 | $49,979 |
| Established | 501~5000 | $53,943 |
| Enterprise | 5000+ | $55,860 |
For Diesel Engine Specialist 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 Specialist positions in Transportation or Telecom typically offer lower base pay, as these industries often view Diesel Engine Specialist I as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Aerospace & Defense | $59,880 | $29.0 | 20% |
| Biotechnology | $59,880 | $29.0 | 20% |
| Business Services | $59,880 | $29.0 | 20% |
| Chemicals | $59,880 | $29.0 | 20% |
| Construction | $59,880 | $29.0 | 20% |
Understanding how a Diesel Engine Specialist 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.
Last Updated on August 01, 2026Promotions are the fastest way to increase your earnings. As a Diesel Engine Specialist 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 | $56,100 | 12% |
| Automotive Service Technician II | $55,200 | 11% |
Salaries for a Diesel Engine Specialist I can change over time, reflecting shifts in market demand and the overall economy. The median salary decreased from $43,895 in 2023 to around $43,801 in 2025, reflecting changes in demand, location, experience, and the wider economy. For a detailed analysis of Diesel Engine Specialist I salary trends, .
| Year | Average Annual Salary |
|---|---|
| 2022 |
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| 2023 | $43,895 |
| 2024 | $44,039 |
| 2025 | $43,801 |
| 2026 |
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| 2027 |
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The Aerospace & Defense industry offers the highest average compensation for Diesel Engine Specialist I roles, with salaries approximately 20% above the market median.
In the US, Diesel Engine Specialists earn between $46,030 and $59,320 annually, with a median salary of approximately $52,070. These figures reflect the typical salary range for this profession, providing a clear overview of potential earnings in the field.
Diesel mechanics typically earn between $46,030 and $59,320 annually, with a mid-salary of $52,070. While some experienced specialists may approach or exceed $100,000, most earn within this range. The average salary reflects the demand and skill level in the industry, making it a viable career option for many.
The highest paying job in the field of Diesel Engine Specialists offers a maximum salary of $59,320. The average salary for this role is around $52,070, while the minimum salary starts at $46,030. This indicates a competitive salary range for professionals in this specialized area.
The highest paying diesel mechanic, known as a Diesel Engine Specialist, can earn a maximum salary of $59,320. The average salary for this role is around $52,070, while entry-level positions start at a minimum salary of $46,030. This reflects the demand and expertise required in the field.
The highest level of diesel mechanic is the Master Diesel Technician Certification from ASE. Achieving this certification requires passing tests in all major areas of diesel repair and maintenance, demonstrating a comprehensive understanding of the field. Diesel Engine Specialists can expect salaries ranging from $46,030 to $59,320, with a median salary of $52,070.
A diesel engine specialist, also known as a diesel technician, inspects, repairs, and overhauls diesel engines in buses and trucks. They ensure optimal performance and reliability of diesel-powered vehicles. The salary for this role ranges from $46,030 to $59,320, with a median salary of $52,070, reflecting the expertise and demand in this field.
Salary.com provides salary estimates, histograms, trends, and comparisons using data from employer job postings and third-party sources.
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