Job Overview
We are looking for an experienced and dependable Heavy Tractor Trailer Diesel Mechanic to join our team. You’ll be responsible for diagnosing, repairing, and maintaining Class 7 & 8 commercial trucks and trailers to keep our fleet operating safely and efficiently.
Responsibilities
- Diagnose and repair diesel engines, transmissions, differentials, and drive axles
- Perform preventive maintenance (PM services) on tractor trailers per DOT standards
- Troubleshoot electrical, hydraulic, and air brake systems
- Use diagnostic software (Cummins Insite, Detroit Diesel DDDL, Allison DOC, etc.)
- Repair and replace components including starters, alternators, fuel systems, and cooling systems
- Inspect and repair trailer components — landing gear, kingpins, glad hands, lights, and refrigeration units
- Ensure all repairs meet DOT compliance and safety regulations
- Document all work orders accurately and completely
- Mentor and assist junior technicians when needed
Requirements
- 7+ years of hands-on diesel mechanic experience with Class 7 & 8 trucks
- Strong knowledge of major engine brands: Cummins, Detroit, PACCAR, Volvo, Caterpillar
- Proficiency with transmission systems: Eaton Fuller, Allison, Meritor
- Experience with air brake systems and DOT inspection procedures
- Ability to read and interpret wiring diagrams and technical manuals
- Proficient with diagnostic software and scan tools
- Valid CDL (preferred) or ability to move/test vehicles on-site
- Must supply own basic hand tools
- Ability to lift 50+ lbs and work in a shop environment
- Strong attention to detail and ability to work independently
Preferred Qualifications
- ASE certifications (T1–T8 preferred)
- Experience with sand and gravel trailers (Cps, Cts, and armorlite)
- Welding experience a plus
- Previous experience in a fleet or OEM shop environment
What We Offer
- Competitive pay based on experience
- Health, dental & vision insurance
- Matching 401K
- Paid time off & holidays
- Uniforms provided
- Ongoing training and certification support
- Stable, year-round work
Pay: $32.00 - $37.00 per hour
Benefits:
- 401(k)
- 401(k) matching
- Dental insurance
- Health insurance
- Life insurance
- Paid time off
- Vision insurance
Work Location: In person
