As of August 01, 2026, the average salary for a Diesel Engine Specialist III in the United States is $63,490 per year, which breaks down to an hourly rate of $31.
However, a Diesel Engine Specialist III's salary can vary significantly. Here’s a look at the typical salary range:
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A Diesel Engine Specialist III'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 III'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 | $49,895 |
| Diesel Engine Mechanic II | 1-3 years | $56,077 |
| Diesel Engine Specialist 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 IIIs. For example, consider the average annual salaries in these key locations:
Demanded Skills for the Role:
| Skills | Demand Percentage |
|---|---|
| Dedication | 10.5% |
| Technical Services | 2.53% |
| Visual Inspection | 2.07% |
| Skill | Salary | Salary % Increase |
|---|---|---|
|
Honesty and Integrity
|
$76,823 |
21%
|
|
Dedication
|
$67,299 |
6%
|
|
Presentation
|
$67,299 |
6%
|
|
Integrity
|
$66,665 |
5%
|
|
Technical Services
|
$66,030 |
4%
|
|
Troubleshooting
|
$66,030 |
4%
|
Diesel Engine Specialist III salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $71,073. While startup companies pay approximate $60,126.
| Company Size | Employees | Average Salary |
|---|---|---|
| Startup | 1~50 | $60,126 |
| Growth Stage | 51~500 | $63,591 |
| Established | 501~5000 | $68,634 |
| Enterprise | 5000+ | $71,073 |
For Diesel Engine Specialist III roles, the industry you choose can affect earning potential by as much as 60% (the gap between the highest and lowest paying industries). Data shows that the Internet and Construction sectors offer the strongest compensation, at 30% above the average. In contrast, Diesel Engine Specialist positions in Telecom or Retail & Wholesale typically offer lower base pay, as these industries often view Diesel Engine Specialist III as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Internet | $82,537 | $40.0 | 30% |
| Construction | $76,188 | $37.0 | 20% |
| Energy & Utilities | $73,014 | $35.0 | 15% |
| Software & Networking | $73,014 | $35.0 | 15% |
| Transportation | $71,744 | $34.0 | 13% |
Understanding how a Diesel Engine Specialist III'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 III, 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 Maintenance Supervisor | $77,000 | 21% |
| Automotive Service Technician IV | $67,500 | 6% |
Salaries for a Diesel Engine Specialist III can change over time, reflecting shifts in market demand and the overall economy. The median salary decreased from $52,606 in 2023 to around $51,946 in 2025, reflecting changes in demand, location, experience, and the wider economy. For a detailed analysis of Diesel Engine Specialist III salary trends, .
| Year | Average Annual Salary |
|---|---|
| 2022 |
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|
| 2023 | $52,606 |
| 2024 | $52,338 |
| 2025 | $51,946 |
| 2026 |
View More
|
| 2027 |
View More
|
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The Internet industry offers the highest average compensation for Diesel Engine Specialist III roles, with salaries approximately 30% above the market median.
The estimated total pay for a Diesel Engine Specialist ranges from $61,720 to $75,750 per year, with an average salary of approximately $68,720 per year.
While some automotive jobs can approach $200,000 annually, diesel engine specialists typically earn between $61,720 and $75,750 per year, with a mid-salary of $68,720. Although they are in high demand and earn more than regular mechanics, reaching $200,000 is unlikely in this field.
Yes, you can achieve financial stability as a diesel engine specialist. Based on current salary data, the minimum salary is $61,720, the median salary is $68,720, and the maximum salary reaches $75,750. Earnings can vary based on factors like geographic location and work schedule, but the potential for a solid income is certainly there.
A Level 3 Diesel Technician specializes in using computer electronic systems to diagnose issues and replace or refurbish parts. They maintain detailed maintenance logs and ensure that all services adhere to quality standards and safety protocols. The salary for this role typically ranges from $61,720 to $75,750, with a mid-point of $68,720.
The highest paying diesel job is a Diesel Engine Specialist, with a salary range of $61,720 to $75,750 per year. This role typically offers a mid-salary of $68,720, making it a lucrative option for those in the diesel industry compared to other positions like Diesel Truck Mechanic or Heavy Duty Truck Mechanic.
While diesel technicians work on Commercial Motor Vehicles (CMVs) that require drivers to have a Class A or Class B CDL, most diesel technicians do not need a CDL themselves. The salary for a Diesel Engine Specialist ranges from $61,720 to $75,750, with a median salary of $68,720, reflecting the skills and expertise in this field.
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