What is the salary range of a Master Diesel Mechanic?
As of August 01, 2025, the average annual salary for a Master Diesel Mechanic in Knoxville, TN ranges from $47,616 (25th percentile) to $57,689 (75th percentile), with a median annual salary of $51,148 and an hourly rate of $25. A Master Diesel Mechanic's salary is shaped by several key factors, including experience level, specific skills, industry differences, company size, and more. Below, we'll explore how each of these influences compensation.