Diesel Mechanic (Heavy Vehicles) Resume Guide

A strong resume is essential for diesel mechanics working on heavy vehicles because it highlights technical certifications, hands-on experience, and safety compliance that hiring managers prioritize. A clear, well-structured resume demonstrates troubleshooting ability, diagnostic proficiency, and fleet maintenance accomplishments. Resumize.ai helps craft professional, ATS-optimized resumes for diesel mechanics by tailoring language to industry standards, emphasizing measurable achievements, and formatting credentials so you pass screenings and get interviews for heavy vehicle maintenance roles.

What skills should a Diesel Mechanic (Heavy Vehicles) include on their resume?

Diesel engine repairPreventive maintenanceDiagnostic troubleshootingHydraulic and pneumatic systemsElectronic control modules (ECM)Emission systems (DEF, SCR)Brake systems (ABS)Wiring and electrical systemsHeavy-duty transmissionsFuel injection systemsFleet maintenance softwareSafety and complianceParts replacementPreventive maintenance scheduling

What are the key responsibilities of a Diesel Mechanic (Heavy Vehicles)?

•Perform comprehensive diagnostics and repairs on diesel engines, transmissions, drivetrains, and auxiliary systems for heavy trucks and buses.
•Conduct scheduled preventive maintenance and inspections to ensure fleet reliability and minimize downtime.
•Read and interpret technical manuals, wiring diagrams, and service bulletins to execute accurate repairs.
•Use computerized diagnostic tools (e.g., JPRO, Cat ET, Cummins INSITE) to identify engine faults and emission system issues.
•Replace or rebuild major components including turbochargers, fuel injection systems, clutches, and differentials.
•Perform brake system maintenance, air system repairs, and suspension alignment for safety compliance.
•Maintain accurate service records, parts usage logs, and repair orders in fleet management systems.
•Adhere to OSHA, DOT, EPA, and manufacturer safety and emissions regulations during all repair procedures.

How do I write a Diesel Mechanic (Heavy Vehicles) resume summary?

Choose a summary that matches your experience level:

Entry Level

Entry-level diesel mechanic with 2 years assisting on heavy trucks and buses. Skilled in routine inspections, brake service, and basic diagnostics; holds a Diesel Technology diploma and OSHA 10 certification. Eager to apply hands-on training and grow technician skills within a busy fleet maintenance shop.

Mid-Level

Diesel mechanic with 5+ years repairing heavy vehicles, specializing in engine overhauls, emission systems, and computerized diagnostics. Proven track record reducing downtime by implementing preventive maintenance programs and improving repair turnaround for regional fleets.

Senior Level

Senior diesel mechanic and team lead with 12+ years maintaining heavy-duty trucks and construction equipment. Expert in complex diagnostics, powertrain rebuilds, and compliance with DOT/EPA standards; consistently drives cost savings through parts optimization and technician training.

What are the best Diesel Mechanic (Heavy Vehicles) resume bullet points?

Use these metrics-driven examples to strengthen your work history:

"Reduced fleet downtime by 32% over 12 months by designing and implementing a preventive maintenance schedule for 120 heavy vehicles."
"Diagnosed and repaired 450+ engine faults annually using JPRO and Cummins INSITE, achieving a first-time-fix rate of 88%."
"Led a team that completed 60+ powertrain rebuilds in a year, cutting average turnaround time from 7 days to 4.5 days (35% improvement)."
"Saved $72,000 annually by negotiating parts pricing and standardizing replacement components across the fleet."
"Performed DEF and SCR system repairs on 200 vehicles, ensuring 100% compliance with emissions inspections during two consecutive audit cycles."
"Improved brake system safety by replacing and calibrating ABS components on 300 trucks, reducing related service calls by 27%."
"Maintained accurate electronic service records for 150+ vehicles, improving invoicing accuracy and parts tracking by 40%."
"Trained and mentored 8 junior technicians, increasing shop productivity by 22% and reducing rework rates by 15%."

What ATS keywords should a Diesel Mechanic (Heavy Vehicles) use?

Naturally incorporate these keywords to pass applicant tracking systems:

Diesel mechanicHeavy-duty technicianPreventive maintenanceDiagnostic troubleshootingEngine overhaulPowertrainTransmission repairABS brake systemsEmission systemsDEF / SCRECM programmingJPROCummins INSITECat ETHydraulicsPneumaticsWiring diagramsFleet maintenanceDOT complianceOSHAEPA regulationsParts inventoryService ordersFuel injectionTurbocharger repairAlignmentLubrication systemsCoolant systemsShop safetyTechnical manuals

Frequently Asked Questions About Diesel Mechanic (Heavy Vehicles) Resumes

What skills should a Diesel Mechanic (Heavy Vehicles) include on their resume?

Essential skills for a Diesel Mechanic (Heavy Vehicles) resume include: Diesel engine repair, Preventive maintenance, Diagnostic troubleshooting, Hydraulic and pneumatic systems, Electronic control modules (ECM), Emission systems (DEF, SCR). Focus on both technical competencies and soft skills relevant to your target role.

How do I write a Diesel Mechanic (Heavy Vehicles) resume summary?

A strong Diesel Mechanic (Heavy Vehicles) resume summary should be 2-3 sentences highlighting your years of experience, key achievements, and most relevant skills. For example: "Diesel mechanic with 5+ years repairing heavy vehicles, specializing in engine overhauls, emission systems, and computerized diagnostics. Proven track record reducing downtime by implementing preventive maintenance programs and improving repair turnaround for regional fleets."

What are the key responsibilities of a Diesel Mechanic (Heavy Vehicles)?

Key Diesel Mechanic (Heavy Vehicles) responsibilities typically include: Perform comprehensive diagnostics and repairs on diesel engines, transmissions, drivetrains, and auxiliary systems for heavy trucks and buses.; Conduct scheduled preventive maintenance and inspections to ensure fleet reliability and minimize downtime.; Read and interpret technical manuals, wiring diagrams, and service bulletins to execute accurate repairs.; Use computerized diagnostic tools (e.g., JPRO, Cat ET, Cummins INSITE) to identify engine faults and emission system issues.. Tailor these to match the specific job description you're applying for.

How long should a Diesel Mechanic (Heavy Vehicles) resume be?

For most Diesel Mechanic (Heavy Vehicles) positions, keep your resume to 1 page if you have less than 10 years of experience. Senior professionals with extensive experience may use 2 pages, but keep content relevant and impactful.

What makes a Diesel Mechanic (Heavy Vehicles) resume stand out?

A standout Diesel Mechanic (Heavy Vehicles) resume uses metrics to quantify achievements, includes relevant keywords for ATS optimization, and clearly demonstrates impact. For example: "Reduced fleet downtime by 32% over 12 months by designing and implementing a preventive maintenance schedule for 120 heavy vehicles."

What ATS keywords should a Diesel Mechanic (Heavy Vehicles) use?

Important ATS keywords for Diesel Mechanic (Heavy Vehicles) resumes include: Diesel mechanic, Heavy-duty technician, Preventive maintenance, Diagnostic troubleshooting, Engine overhaul, Powertrain, Transmission repair, ABS brake systems. Naturally incorporate these throughout your resume.

Ready to build your Diesel Mechanic (Heavy Vehicles) resume?

Ready to land your next heavy-vehicle technician role? Use Resumize.ai (http://resumize.ai/) to generate an ATS-optimized diesel mechanic resume with role-specific keywords, measurable achievements, and industry formatting that gets you noticed by fleets and shops.

Build Your Resume Now