As of September 01, 2026, the average salary for a Diesel Maintenance Supervisor in the United States is $76,300 per year, which breaks down to an hourly rate of $37.
However, a Diesel Maintenance Supervisor's salary can vary significantly. Here’s a look at the typical salary range:
Diesel Maintenance Supervisor Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
|---|---|---|---|---|
| 75th Percentile | $84,900 | $7,075 | $1,633 | $41 |
| Average | $76,300 | $6,358 | $1,467 | $37 |
| 25th Percentile | $67,100 | $5,592 | $1,290 | $32 |
A Diesel Maintenance Supervisor's salary isn't a fixed number. It's shaped by several important factors. Below, we'll explore how geographic location and company size can directly affect your earning potential.
Demanded Skills for the Role:
| Skills | Demand Percentage |
|---|---|
| Customer Service | 8.13% |
| Customer Satisfaction | 3.78% |
| Installation | 3.21% |
Mastering certain specialized skills can lead to a significant increase in pay. Here are examples of skills and the potential impact they can have on a Diesel Maintenance Supervisor's salary.
| Skill | Salary | Salary % Increase |
|---|---|---|
| Health Assessment | $87,745 | |
| Expense Control | $85,456 | |
| Technical Services | $83,167 |
Diesel Maintenance Supervisor salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $85,268. While startup companies pay approximate $72,128.
| Company Size | Employees | Average Salary |
|---|---|---|
| Startup | 1~50 | $72,128 |
| Growth Stage | 51~500 | $76,283 |
| Established | 501~5000 | $82,338 |
| Enterprise | 5000+ | $85,268 |
Understanding how a Diesel Maintenance Supervisor'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 | $84,900 | $7,075 | $1,633 | $41 |
| Average | $76,300 | $6,358 | $1,467 | $37 |
| 25th Percentile | $67,100 | $5,592 | $1,290 | $32 |
For a Diesel Maintenance Supervisor, the most direct path to higher earnings is advancing to the Truck Service Shop Operations Manager role. This promotion typically comes with a significant pay increase, bringing the average annual salary to $95,200 - a projected growth of 25% over your current level.
Salaries for a Diesel Maintenance Supervisor can change over time, reflecting shifts in market demand and the overall economy. The median salary decreased from $62,287 in 2023 to around $61,642 in 2025, reflecting changes in demand, location, experience, and the wider economy. For a detailed analysis of Diesel Maintenance Supervisor salary trends, .
| Year | Average Annual Salary |
|---|---|
| 2022 | View More |
| 2023 | $62,287 |
| 2024 | $61,935 |
| 2025 | $61,642 |
| 2026 |
View More
|
| 2027 |
View More
|
Analyze the market and your qualifications to negotiate your salary with confidence.
Search thousands of open positions to find your next opportunity.
Individualize employee pay based on unique job requirements and personal qualifications.
Get the latest market price for benchmark jobs and jobs in your industry.
The Financial Services industry offers the highest average compensation for Diesel Maintenance Supervisor roles, with salaries approximately 50% above the market median.
The highest salary for a Diesel Maintenance Supervisor is $87,900. Salaries above this amount are considered outliers. The minimum salary for this position is $69,200, while the midpoint salary is $80,100.
As a Diesel Maintenance Supervisor, the role comes with significant responsibilities and expectations, which can lead to stress. The salary range for this position is between $69,200 and $87,900, reflecting the level of expertise required. Managing a team and ensuring operational efficiency can be demanding, impacting both health and performance.
While some diesel mechanics can earn over $100,000 annually, the salary for a Diesel Maintenance Supervisor typically ranges from $69,200 to $87,900, with a mid-salary of $80,100. This indicates that while high earnings are possible, they are not the norm for all diesel mechanics.
Supervisors focus on daily operations and employee activities, while managers establish expectations and outcomes. Managers oversee resource management, including budget and personnel, determining how to allocate these resources effectively. In terms of compensation, Diesel Maintenance Supervisors earn between $69,200 and $87,900, with a median salary of $80,100.
While some automotive jobs can offer high salaries, diesel maintenance supervisors typically earn between $69,200 and $87,900 annually, with a median salary of $80,100. Achieving a salary of $200,000 as a mechanic is unlikely, as it exceeds the typical earnings in this field.
The highest paid mechanic roles in the USA include positions like BMW Service Technician, with salaries reaching up to $125,000 per year. In contrast, a Diesel Maintenance Supervisor typically earns between $69,200 and $87,900 annually, with a mid-salary of $80,100. Other high-paying roles include Master Technician and ASE Certified Technician, reflecting a diverse salary range in the automotive field.
Salary.com provides salary estimates, histograms, trends, and comparisons using data from employer job postings and third-party sources.
We offer detailed salary information across multiple percentiles for your reference. (Click here to learn Why the Salary Midpoint Formula Is Crucial for Achieving Pay Equity.)
With the most extensive online, real-time compensation data available, Salary.com helps you pinpoint your exact pay target.
Salary.com's CompAnalyst platform offers: