Mobile Diesel Technician


Mobile Diesel Technician

Welcome to 4B Diesel Services, where our commitment to the diesel community knows no bounds. With six spacious bays, our facility is fully equipped to handle a diverse array of heavy-duty vehicles.

Embedded in our core is a strong sense of family. We take pride in our exceptional employee retention rates, a testament to the supportive environment we've nurtured. We understand that our success hinges on the collective skills, passion, and well-being of our team members. At 4B Diesel Services, you'll discover opportunities for professional development, a collaborative work environment, and a management team genuinely invested in your journey.

We are growing our team of reliable Mobile Diesel Technicians. We are looking for candidates who can contribute to our mission of providing quick, honest and reliable service. Our mobile technicians are highly skilled and very well respected in the heavy-duty industry. If you pride yourself on integrity, professionalism, and attention to detail, we'd love to chat.

This role is responsible for:

  • Perform routine maintenance, scheduled preventative maintenance (“PM”), DOT Inspections and follow-up repairs to medium and heavy-duty diesel trucks fleets in a mobile/roadside environment.
  • Diagnose, adjust, and repair various types of truck equipment including, but not limited to the following: Electrical/Brake/Cooling Systems, Starters/Alternators, Air conditioning systems, Fan clutches, Engine electronics, Power steering systems, Diesel Engines, Transmissions (manual and automatic), Clutches, Differentials, Oil and Fluid changes etc.
  • Inspect, test, and listen to defective equipment to diagnose malfunctions, using diagnostics instruments such as handheld computers and pressure gauges.
  • Document and upload pictures of work performed, parts used, and all findings observed 
  • Accurately complete DOT forms and all other forms of documentation in a timely fashion.
  • Work with a high degree of independence and manage daily schedule with a high level of productivity 
  • Manage parts inventory and equipment provided on a service truck and perform periodic reconciliation.
  • Establishes and maintains good working relationships with assigned customers and vendors. 
  • Communicate effectively both verbally and in writing.

Requirements for this position include:

  • Minimum 2 years experience
  • Tech School or on-the-job training equivalent.
  • Valid driver's license and clean driving record.
  • Exceptional diesel diagnostic capabilities
  • Expert in operating diagnostic equipment
  • Excellent verbal communication skills. 
  • Ability to effectively communicate with customers and their drivers.
  • Proficiency in the use of mobile devices, navigation of mobile applications and use of email to document repairs and communication. Ability to learn new platforms
  • Willingness to work varied schedules and work outdoors / in the elements at customer yards/locations.
  • Must provide own hand tools that are adequate to perform job functions.
  • Must be able to lift 50 lbs.
  • Demonstrated ability to work independently, multi-task and apply initiative.
  • Great attitude & punctuality, safety conscious, good instincts, organization skills and self-motivation


🗓️ Average 50 hours per week.

⏱️ On-call for nights and weekends,  rotating schedule.  

⚕️Life Insurance

❤️‍🩹 Dental & Health Insurance

💸 Paid time off

🏖️ Vacation Pay

💲 Bonus

Salary: Up to $35 per hour

Interested applicants should send their resumes to:

Due to the number of applications we receive, only qualified candidates will be contacted.

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Diesel Mechanic Services

Our highly-trained team is ready to tackle any challenge you bring our way, ensuring top-notch performance and reliability. From DOT inspections and comprehensive preventive maintenance services, to mobile repairs & emergency roadside assistance, AB Diesel Services has Austin, TX & the surrounding area covered. Get in touch with us today to schedule heavy-duty diesel mechanic services.

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Customer testimonials

"I'd breakdown out of my way just to come back here. Got me right in. Fair price. Good people." - Mike Miles
"Best shop in the manor/plufgerville area. The have my business and trust when it comes to my RIG! As an owner op they made my repairs stress free. Even repaired something minor on the house. Nick is the MAN!!"
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"They saved our butts!  Passing through town in a Kenworth T680 and had a differential fail. I called nine different shops. They were the only ones that could work on without a wait of a couple days. Professional, reasonable and fixed it properly. Everything I needed"
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"The entire staff was extremely helpful and very customer service oriented.  They replaced my alternator on a Friday afternoon  in a few hours. I highly recommend their service.  Outstanding!!"
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Contact Us

Get in touch today to schedule your vehicle in for service. Our shop is located just outside Austin, TX in Manor, with a mobile service radius of 1.5 hour drive. Call now!

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Interested in setting up a credit account with 4B Diesel Services? Apply today through cBCharge and their commerical charge account enrollment.

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