Mobile Diesel Mechanic

Cleburne, TX

We’re looking for a skilled Mobile Diesel Mechanic to join our team and provide field-based maintenance and repairs on our fleet of Class 8 Kenworth tractors and pneumatic tank trailers. This role is ideal for experienced diesel technicians who enjoy working independently, take pride in their craftsmanship, and want to be part of a company that values both performance and people.

Responsibilities:

  • Perform preventive maintenance (PMs) and DOT inspections on Class 8 trucks and tank trailers
  • Diagnose and repair defects in tires, brakes, air systems, lighting, suspensions, and hydraulics
  • Troubleshoot and service Cummins engines and Kenworth equipment
  • Handle both scheduled work and occasional roadside breakdowns as needed
  • Document services performed using mobile software or repair logs
  • Ensure safety and compliance in all tasks performed

Benefits:

  • Competitive hourly pay, based on experience (plus overtime potential)
  • Company-provided service truck and fuel card for mobile work
  • Tool allowance + boot stipend
  • Medical, Dental, and Vision Insurance
  • 401(k) with company match
  • Paid time off and holidays
  • Opportunities for continued training (Cummins, tank trailer, brake, etc.)

The ideal candidate will have:

  • 2+ years of diesel mechanic experience (mobile or in-shop); fleet or tank trailer experience a plus
  • Solid understanding of Cummins engines and Kenworth tractors
  • Background in pneumatic trailers preferred (but we’ll train the right person)
  • Must have basic hand tools (specialty tools provided)
  • Strong troubleshooting skills and self-motivation
  • Valid driver’s license with clean MVR (CDL preferred)

Fill out our short form and a recruiter will contact you.


Years of Mechanic Experience
Can you provide your own tools?
Do you have experience working with pneumatic trailers?
(required)
Do you have a valid driver’s license with a clean motor vehicle record (MVR)?
(required)
Resume

About J&M Tank Lines

J&M Tank Lines, Inc. is a family owned and operated company, running the Southeast and Texas, that has been in business since 1948. The company founder, started the company with a loan of $125 from the People's Bank in Selma, AL, moved his one truck from Selma to Montgomery, AL and the legacy of J&M Tank Lines, Inc. was in motion. Since that time, J&M Tank Lines, Inc. has expanded to cover primarily the Southeast, from Texas to the Carolinas. And though business, locations and people have changed over the years, one thing that hasn't changed is the work ethic that transformed a one truck operation into the premier bulk carrier in the industry.

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