Know your market value with insights across roles — from individual contributors to executive pay and overall company compensation trends.
Access a suite of powerful calculators to make data-driven career decisions.
Automate pay cycles, manage job architectures, and ensure pay equity with AI-powered compensation platforms.
Access validated salary benchmarks, labor market trends, and minimum wage data to stay competitive.
Participate in and purchase industry-specific salary surveys to obtain the most accurate, peer-reported pay data.
As of August 01, 2026, the average salary for a Diesel Maintenance Supervisor in Iowa is $73,700 per year, which breaks down to an hourly rate of $35.
However, a Diesel Maintenance Supervisor's salary can vary significantly. Here’s a look at the typical salary range:
Compensation Planning
Develop a Job Description
Pay Equity
2026 Compensation Trend
AI-Powered HR
Recruit with AI
Diesel Maintenance Supervisor Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $82,000 | $6,833 | $1,577 | $39 |
| Average | $73,700 | $6,142 | $1,417 | $35 |
| 25th Percentile | $64,900 | $5,408 | $1,248 | $31 |
Country Manor Memory Care - Davenport, IA
Care Initiatives - Centerville, IA
Ziegler - Altoona, IA
Hickory Recovery - Grinnell, IA
A Diesel Maintenance Supervisor'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 Maintenance Supervisor'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 | $47,750 |
| Diesel Engine Mechanic II | 1-3 years | $53,666 |
| Diesel Engine Mechanic III | 3-5 years | $60,760 |
| Diesel Maintenance Supervisor | 5+ years | $73,645 |
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 Maintenance Supervisors. 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 Maintenance Supervisor salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $82,503. While startup companies pay approximate $69,796.
| Company Size | Employees | Average Salary |
|---|---|---|
| Startup | 1~50 | $69,796 |
| Growth Stage | 51~500 | $73,817 |
| Established | 501~5000 | $79,671 |
| Enterprise | 5000+ | $82,503 |
For Diesel Maintenance Supervisor roles, the industry you choose can affect earning potential by as much as 100% (the gap between the highest and lowest paying industries). Data shows that the Financial Services and Aerospace & Defense sectors offer the strongest compensation, at 50% above the average. In contrast, Diesel Maintenance Supervisor positions in Hospitality & Leisure or Transportation typically offer lower base pay, as these industries often view Diesel Maintenance Supervisor as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Financial Services | $110,550 | $53.0 | 50% |
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 | $82,000 | $6,833 | $1,577 | $39 |
| Average | $73,700 | $6,142 | $1,417 | $35 |
| 25th Percentile | $64,900 | $5,408 | $1,248 | $31 |
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 $91,100 - a projected growth of 24% over your current level.
Ready to take the next step in your career? Browse thousands of current Diesel Maintenance Supervisor job openings on our job board. Use the search bar below to find your perfect match.
Kraft Heinz
Muscatine, IA
Kraft Heinz | Muscatine, IA
Job Title. INDMFGS. Key Responsibilities of the Role. Directs maintenance personnel to ensure that all systems operate at their highest capability to meet ... more
4 Days Ago
Groupe Lacroix
Le Mars, IA
Groupe Lacroix | Le Mars, IA
Maintenance Technician Supervisor. The Lacroix group is a family company specializing in the manufacture of containers for the food industry and is constan... more
4 Days Ago
Care Initiatives
Dunlap, IA
Care Initiatives | Dunlap, IA
Maintenance Supervisor. Dunlap Specialty Care, a 46-bed long-term care skilled nursing community located in Dunlap, IA, is now hiring. Make a Difference Ev... more
4 Days Ago
IML Containers/Labels North America Inc.
Le Mars, IA
IML Containers/Labels North America Inc. | Le Mars, IA
Job Description. Job Description. The Lacroix group is a family company specializing in the manufacture of containers for the food industry and is constant... more
5 Days Ago
Ethos
Denison, IA
Ethos | Denison, IA
Job Description. Job Description. Maintenance Supervisor. (Day and Evening Shifts Available). As the Maintenance Supervisor, you'll lead maintenance teams ... more
5 Days Ago
Iowa Western Community College
Council Bluffs, IA
Iowa Western Community College | Council Bluffs, IA
Maintenance Supervisor. The Maintenance Supervisor oversees and directly participates in the day-to-day maintenance operations of the Council Bluffs campus... more
5 Days Ago
Get a Salary Increase
Analyze the market and your qualifications to negotiate your salary with confidence.
Search Job Openings
Search thousands of open positions to find your next opportunity.
Adjust Employee Salary
Individualize employee pay based on unique job requirements and personal qualifications.
Price My Industry Jobs
Get the latest market price for benchmark jobs and jobs in your industry.
Use Salary.com's Cost of Living Calculator to find out what income you need to maintain your standard of living in a different city and how much more or less money you need to budget for basic expenses.
Explore Cost of Living CalculatorSalary.com experts will help you thrive your workplaces.
Salary.com provides salary survey data for thousands of industry Jobs.
Salary.com salary estimates, histograms, trends, and comparisons are derived from both employer job postings and third-party data sources. We also provide multiple percentiles of salary information for your reference, click here to know Why the Salary Midpoint Formula Is Crucial to Getting Pay Equity Right. With more online, real-time compensation data than any other website, Salary.com helps you determine your exact pay target.
Salary.com's CompAnalyst platform offers:
