As of May 01, 2025, the average annual salary for a Diesel Mechanic III in Quincy, MA is $65,834. According to Salary.com, salaries can range from a low of $53,955 to a high of $73,204, with most professionals earning between $59,616 and $69,692.
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $69,692 | $5,808 | $1,340 | $34 |
| Average | $65,834 | $5,486 | $1,266 | $32 |
| 25th Percentile | $59,616 | $4,968 | $1,146 | $29 |
An entry-level Diesel Mechanic III with under 1 year experience makes about $64,906. With less than 2 years of experience, a mid-level Diesel Mechanic III makes around $65,184. After 2-4 years, the Diesel Mechanic III pay rises to about $66,122. Those senior Diesel Mechanic III with 5-8 years of experience earn roughly $66,813, and those Diesel Mechanic III having 8 years or more experience are expected to earn about $67,101 on average.
| Levels | Salary |
|---|---|
| Entry Level Diesel Mechanic III | $64,906 |
| Intermediate Level Diesel Mechanic III | $65,184 |
| Senior Level Diesel Mechanic III | $66,122 |
| Specialist Level Diesel Mechanic III | $66,813 |
| Expert Level Diesel Mechanic III | $67,101 |
| Entry Level | 10% |
| Mid Level | 10% |
| Senior Level | 12% |
| Top Level | 13% |
| Experienced | 14% |
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Each competency has five to ten behavioral assertions that can be observed, each with a corresponding performance level (from one to five) that is required for a particular job.
Dedication: Dedication is the quality of being dedicated or committed to a task or purpose. It produce high-quality results for your company and it helps nurture your work ethic and can lead to success.
Repairing: To put something that is damaged, broken, or not working correctly, back into good condition or make it work again.
Installation: The action or process of installing someone or something, or of being installed. the act of installing the state of being installed, something that is installed for use.
| Skill | Salary | Demand |
|---|---|---|
|
Honesty and Integrity
|
$79,659 |
21%
|
|
Dedication
|
$69,784 |
6%
|
|
Presentation
|
$69,784 |
6%
|
|
Integrity
|
$69,126 |
5%
|
|
Technical Services
|
$68,467 |
4%
|
|
Troubleshooting
|
$68,467 |
4%
|
