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Diesel Mechanic A Jobs (NOW HIRING)

Trancasa USA, Inc

Diesel Mechanic A

Pharr, TX · On-site

$20.25 - $26.75/hr

Diesel Mechanic A Overview: Responsible for diagnosing and repairing mechanical issues, performing routine maintenance, and inspecting trucks and trailers. Duties include engine repairs, transmission ...

Trancasa USA, Inc

Diesel Mechanic A

El Paso, TX · On-site

$19.75 - $26/hr

Diesel Mechanic A Overview: Responsible for diagnosing and repairing mechanical issues, performing routine maintenance, and inspecting trucks and trailers. Duties include engine repairs, transmission ...

Reyes Fleet Management

Diesel Mechanic A

Caledonia, MI

$32.50/hr

Reyes Fleet Management is seeking a Diesel Mechanic A to help with repairs and maintenance on trailer/tractor equipment located at our fleet shop in Caledonia, MI. Shift: Full-Time l 3rd Shift l 10 ...

Reyes Fleet Management

Diesel Mechanic A

West Dundee, IL · On-site

$31 - $36/hr

Reyes Fleet Management is seeking a Diesel Mechanic A to help with repairs and maintenance on trailer/tractor equipment at our fleet facility shop in West Dundee, IL. Shift: Full-Time l Midday-Monday ...

GFL Environmental

Diesel Mechanic - A

Houston, TX · On-site

$22.50 - $29.50/hr

Utilize expertise in diagnostics, repairs and preventative maintenance on both Diesel and ... mechanisms, wheel bearings and other important parts to ensure they are in proper operating ...

GFL Environmental

Diesel Mechanic - A

Houston, TX · On-site

$23.75 - $31.50/hr

Utilize expertise in diagnostics, repairs and preventative maintenance on both Diesel and ... mechanisms, wheel bearings and other important parts to ensure they are in proper operating ...

Reyes Fleet Management

Diesel Mechanic A

Lake Orion, MI · On-site

$31 - $35/hr

Reyes Fleet Management is seeking a full-time 1st shift Fleet Diesel Mechanic A to help with repairs and maintenance on trailer/tractor equipment at our facility shop in Lake Orion, MI Shift ...

GFL Environmental

Diesel Mechanic - A

Houston, TX

$23.75 - $31.50/hr

Advanced ability to diagnose and repair both Diesel and CNG powered trucks, including engines ... Provide guidance and mentorship to level B and C mechanics. Prioritize repairs to maximize ...

GFL Environmental

Diesel Mechanic - A

Justin, TX · On-site

$29.50 - $39/hr

... level mechanics, diagnose, repair and maintain GFL's Diesel and CNG fleet. · Complete basic ... Must be computer literate and willing and able to be trained in software systems. · Class A or B ...

GFL Environmental

Diesel Mechanic - A

Justin, TX

$29.50 - $39/hr

... level mechanics, diagnose, repair and maintain GFL's Diesel and CNG fleet. Complete basic ... Maintain a clean work area. Education, Training, Experience and Licensing/Certification ...

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Diesel Mechanic A information

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$28

$38

How much do diesel mechanic a jobs pay per hour?

As of Jul 15, 2026, the average hourly pay for diesel mechanic a in the United States is $28.27, according to ZipRecruiter salary data. Most workers in this role earn between $24.04 and $31.73 per hour, depending on experience, location, and employer.

What is the highest paid diesel mechanic job?

The highest paid diesel mechanic jobs are often in specialized fields such as heavy equipment or industrial machinery maintenance, with salaries exceeding $70,000 annually. Positions in remote locations, with advanced certifications or experience in high-demand industries like mining or construction, tend to offer higher compensation.

Do diesel mechanics make 100k a year?

Diesel mechanics can earn $100,000 or more annually, especially with experience, specialized skills, certifications, and working in high-demand industries or locations. However, the average salary for entry-level or general diesel mechanics typically ranges from $45,000 to $70,000 per year.

What are the key skills and qualifications needed to thrive as a Diesel Mechanic A, and why are they important?

To thrive as a Diesel Mechanic A, you need a solid background in diesel engine repair, diagnostics, and preventive maintenance, often supported by vocational training or ASE certification. Familiarity with diagnostic software, specialized hand and power tools, and computerized maintenance management systems is typically required. Strong problem-solving skills, attention to detail, and effective communication set top performers apart in this role. These abilities are crucial for ensuring vehicle reliability, minimizing downtime, and maintaining safety standards in demanding fleet environments.

What are some common challenges faced by Diesel Mechanic A professionals, and how can they be addressed?

Diesel Mechanic A professionals often encounter challenges such as diagnosing complex engine issues and keeping up with rapidly evolving diesel technology. Staying updated with manufacturer training and continuously improving diagnostic skills are crucial for success. Additionally, managing a physically demanding workload and maintaining safety standards are essential parts of the job. Collaborating closely with other technicians and service advisors can help streamline repairs and ensure customer satisfaction.

What is the difference between Diesel Mechanic A vs Diesel Mechanic B?

AspectDiesel Mechanic ADiesel Mechanic B
CertificationsASE Diesel Certification, EPA Emissions CertificationASE Diesel Certification, EPA Emissions Certification
Work EnvironmentRepair shops, fleet maintenance facilities, construction sitesRepair shops, fleet maintenance facilities, construction sites
Job ResponsibilitiesDiagnosing, repairing, and maintaining diesel engines and related systemsDiagnosing, repairing, and maintaining diesel engines and related systems
Employer & Industry UsageTransportation, construction, agricultureTransportation, construction, agriculture

Both Diesel Mechanic A and Diesel Mechanic B share similar certifications, work environments, and industry applications. The primary difference often lies in experience level or specific employer requirements, with Diesel Mechanic A typically representing entry to mid-level roles. Understanding these similarities helps job seekers identify suitable opportunities within the diesel mechanic field.

What are Diesel Mechanic A positions?

Diesel Mechanic A positions refer to highly skilled technicians who specialize in the maintenance, diagnosis, and repair of diesel engines and related systems. These professionals are often responsible for handling complex mechanical and electronic issues in trucks, buses, heavy equipment, or industrial machinery powered by diesel engines. A 'Mechanic A' typically denotes the highest level within the mechanic hierarchy, indicating advanced experience and expertise. They may also mentor junior mechanics and ensure all safety and compliance standards are met.

What other jobs can a diesel mechanic do?

A diesel mechanic can transition into roles such as fleet maintenance technician, heavy equipment operator, or service supervisor, utilizing skills in engine repair, diagnostics, and mechanical systems. Certifications like ASE can enhance job prospects, and experience with diagnostic tools and repair procedures is valuable across related fields.

What is a level 3 diesel mechanic?

A level 3 diesel mechanic is an advanced technician who has achieved a high level of expertise in diagnosing, repairing, and maintaining diesel engines and related systems. They often have specialized certifications, extensive experience, and may lead or train lower-level mechanics in complex repairs and troubleshooting. This level typically requires a combination of formal training, hands-on experience, and industry certifications such as ASE certifications.
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Diesel Mechanic A

Diesel Mechanic A

Trancasa USA, Inc

Pharr, TX • On-site

$20.25 - $26.75/hr

Full-time

Re-posted 28 days ago

Job description

Diesel Mechanic A
Overview: Responsible for diagnosing and repairing mechanical issues, performing routine maintenance, and inspecting trucks and trailers. Duties include engine repairs, transmission work, and maintaining various vehicle systems.
Mechanic Classification: Class 8
Duties/Responsibilities:
  • Expert in Computer Diagnostics.
  • Expert in mechanical failure diagnosis.
  • Performs Oil Changes amp; Oil leak repairs
  • Knowledge of complete engine repair.
  • Knowledge in valve adjustments.
  • Repair of automatic and manual transmissions.
  • Knowledge is DPF, DEF, A/C, ABS, ACC systems.
  • Knowledge of Cummins, Detroit, Volvo engines.
  • Perform corrective maintenance on trailers and trucks.
  • Perform Preventive Maintenance Inspection (PMI) on Trucks and Trailers.
  • Perform physical-mechanical inspections of trailers and trucks daily.
  • Capable of performing roadside repairs within a range of 50 miles.
  • Skills to work in an exposed environment.
  • Maintain a work environment with order and cleanliness.
  • Performs related work as required
Education and Experience:
  • High school diploma or equivalent.
  • Field Certifications preferred
  • 3 + years of relevant experience.
  • In lieu of certifications, additional years of directly relevant experience with a demonstrated record of successful performance may be considered.
Physical Requirements:
  • Be able to lift a minimum of 50 pounds.
  • Stand for long periods of time.
  • Kneel, stoop, crouch, or crawl.
Additional eligibility requirements:
  • Fluent in English and Spanish preferred.
  • Knowledge in Diesel Mechanics, basic truck driving knowledge, computer equipment use.
  • Must be available to work weekends, holidays, and odd and unusual hours when needed.
Job Information:
Department: Maintenance
Reports to: Shop Foreman
Travel Required: 15% of the time.
FLSA Status: Non-Exempt (Hourly)
Effective Date: 07/14/2026

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