As of April 01, 2025, the average annual salary for a Diesel Mechanic I in the United States is $49,610. Salary.com reports that pay typically ranges from $44,505 to $54,906, with most professionals earning between $39,857 and $59,728.
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $54,906 | $4,576 | $1,056 | $26 |
| Average | $49,610 | $4,134 | $954 | $24 |
| 25th Percentile | $44,505 | $3,709 | $856 | $21 |
An entry-level Diesel Mechanic I with less than 1 year of experience earns about $49,229. With 1-2 years of experience, the average salary increases to $50,163. For 2-4 years of experience, the pay typically rises to $50,954. Senior-level professionals with 5-8 years of experience earn around $51,191, and those with over 8 years of experience can expect an average of $51,349.
| Levels | Salary |
|---|---|
| Entry Level Diesel Mechanic I | $49,229 |
| Intermediate Level Diesel Mechanic I | $50,163 |
| Senior Level Diesel Mechanic I | $50,954 |
| Specialist Level Diesel Mechanic I | $51,191 |
| Expert Level Diesel Mechanic I | $51,349 |
| Entry Level | 1% |
| Mid Level | 1% |
| Senior Level | 3% |
| Top Level | 3% |
| Experienced | 4% |
Salaries in the United States differ widely between states due to factors like cost of living, local economies, and industry presence.
What Am I Worth?
Salaries in the United States can vary greatly between cities due to factors like cost of living, local economies, and industry presence.
As of April 01, 2025, our research reveals a significant shift in Diesel Mechanic I compensation over the past six years. For example, the median salary increased from $43,895 in 2023 to approximately $44,039 in 2024. (For a detailed analysis of Diesel Mechanic I salary trends, click here.)
Key factors like location, experience, industry demand, and economic growth significantly influence salary variations, making them important to consider.
Salary.com job board provides millions of Diesel Mechanic I information for you to search for. Click on search button below to see Diesel Mechanic I job openings or enter a new job title here.
Here are companies hiring for Diesel Mechanic I and their salaries, click below for more details.
| Core Compensation | ||||
| Core Compensation | Median | % of Total | ||
| Base Salary | $49,610 | 67.4% | ||
| Bonus | $0 | 0.0% | ||
| Value of Benefits | ||||
| Core Compensation | Median | % of Total | ||
| Social Security | $3,795 | 5.2% | ||
| 401K/403B | $2,084 | 2.8% | ||
| Disability | $992 | 1.3% | ||
| Healthcare | $8,352 | 11.3% | ||
| Pension | $2,679 | 3.6% | ||
| Time Off | $6,106 | 8.3% | ||
| Total Compensation | $73,618 | 100% | ||
The average annual salary of Diesel Mechanic I is $49,610. In case you are finding an easy salary calculator, the average hourly pay of Diesel Mechanic I is $24; the average weekly pay of Diesel Mechanic I is $954; the average monthly pay of Diesel Mechanic I is $4,134.
A Diesel Mechanic I's earning potential can vary widely depending on several factors, including location, industry, experience, education, and the specific employer. According to the latest salary data by Salary.com, a Diesel Mechanic I earns the most in San Jose, CA, where the annual salary of a Diesel Mechanic I is $62,573.
The highest pay for Diesel Mechanic I is $59,728.
The lowest pay for Diesel Mechanic I is $39,857.
Performs inspection, maintenance, repairs, and overhauls of diesel engines. Troubleshoots and diagnoses problems. Utilizes computer electronics systems to interpret failure modes. Replaces and/or refurbishes parts. Maintains maintenance logs according to requirements. Ensures services provided follow all quality standards and safety procedures. May perform DOT annual inspections on vehicles. Typically requires a high school diploma. Typically requires Commercial Driver License (CDL) - Class A. Typically requires a Certificate in Automotive & Diesel Technology. Typically reports to a supervisor. Works under the close direction of senior personnel in the functional area. Possesses a moderate understanding of general aspects of the job. May require 0-1 year of general work experience.
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.
