NSXNational Skills ExchangeSign in
Back to Framework

Bus and Truck Mechanics and Diesel Engine Specialists

SOC 49-3031.00Job Zone 3 · Medium Preparationv.26.05

Context coveredThis framework covers the inspection, diagnosis, repair, and preventive maintenance of buses, trucks, and heavy diesel equipment across commercial fleet shops, transit authorities, and freight operations, calibrated to Job Zone 3 vocational and apprenticeship preparation.

Sources:O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.SkillsCrosswalkSkillsCrosswalk — O*NET enrichment + adjacency index. Opens in new tab.
Emerging
Entry / Apprentice
  1. Hand tools and basic power tools — identify and use under direct supervision during routine service tasks at a commercial vehicle maintenance shop.
  2. Brake system components and steering mechanisms — inspect visually following a checklist under technician guidance in a fleet maintenance bay.
  3. Hydraulic jacks and hoists — operate to raise trucks and heavy equipment under close supervision in accordance with shop safety protocols.
  4. Brake adjustment and wheel alignment procedures — perform basic steps with direct oversight while reassembling light-duty commercial vehicle components.
  5. Test instruments and pressure gauges — attach to vehicle systems and read dials under supervisor direction to support initial malfunction diagnosis.
  6. Routine maintenance tasks — execute oil changes, battery checks, and lubrication on buses and trucks following a prescribed maintenance schedule.
  7. Protective guards, loose bolts, and safety devices — examine and report discrepancies to a lead technician during pre-trip inspection routines.
  8. Defective equipment — listen for abnormal sounds and document observations using a handheld computer under guidance from an experienced mechanic.
  9. Shop safety rules and personal protective equipment — apply consistently during all repair and maintenance activities in a vocational training or entry-level shop environment.
  10. Parts and fluid inventory — locate, retrieve, and log basic components using shop inventory management software under supervisory direction.
Developing
Mid-level / Established
  1. Hand tools, pneumatic wrenches, and welding equipment — select and operate with limited oversight to complete scheduled repairs on medium-duty diesel trucks.
  2. Brake systems, wheel bearings, and steering mechanisms — inspect and evaluate independently against manufacturer specifications during scheduled preventive maintenance visits.
  3. Hydraulic hoists and floor jacks — position and operate without direct supervision to safely raise buses and heavy equipment in a busy fleet shop.
  4. Brake relining, wheel alignment, and bolt torquing — adjust and complete reassembly to specification across a range of commercial vehicle models encountered in daily workflow.
  5. Motor analyzers and chassis diagnostic charts — connect and interpret readings to isolate malfunctions on diesel engines with moderate complexity in a fleet maintenance environment.
  6. Preventive maintenance intervals — manage and document oil changes, battery load tests, and lubrication cycles for multiple vehicles using facilities management software.
  7. Safety guards and critical fasteners — systematically examine and adjust on returning fleet vehicles, escalating findings that exceed acceptable tolerances to senior staff.
  8. Diagnostic data from handheld computers and pressure gauges — analyze and cross-reference to narrow probable causes of reported drivability complaints on route buses.
  9. Repair timelines and work orders — prioritize and communicate with dispatchers and service writers to ensure on-time vehicle return in a high-volume commercial shop.
  10. Troubleshooting findings and repair recommendations — document clearly using word processing and spreadsheet software to maintain accurate vehicle service histories.
Proficient
Senior / Expert IC
  1. Full range of hand tools, precision instruments, and power equipment — deploy autonomously to perform complex overhauls on heavy-duty diesel engines and drivetrain systems.
  2. Brake systems, steering geometry, and suspension components — diagnose and repair comprehensively across diverse bus and truck makes and models without supervisory input.
  3. Hydraulic lifting equipment and specialized hoists — select and configure appropriately for non-standard vehicle configurations and oversized components in a large fleet facility.
  4. Multi-system reassembly including brake relining, wheel alignment, and torque sequencing — execute to manufacturer and regulatory standards on vehicles returning to revenue service.
  5. Advanced diagnostic software, motor analyzers, and analytical instruments — apply systematically to resolve intermittent or multi-system faults on electronically controlled diesel powertrains.
  6. Comprehensive preventive maintenance programs — evaluate and refine schedules for large mixed fleets, incorporating oil analysis data and manufacturer service bulletins.
  7. Safety device compliance and protective guard integrity — assess against federal and state commercial vehicle standards and authorize return-to-service decisions independently.
  8. Complex equipment malfunctions — troubleshoot using deductive reasoning and field experience to identify root causes and prevent recurrence across a fleet of transit or freight vehicles.
  9. Repair cost estimates and parts sourcing — prepare accurately using materials requirements planning and inventory software to support maintenance budgeting in a fleet operation.
  10. Technical guidance and hands-on coaching — provide to developing technicians during challenging diagnostic or repair scenarios in the shop environment.
Advanced
Lead / Principal / Executive
  1. Shop-wide maintenance strategy and quality standards — develop and enforce across all technician levels to ensure regulatory compliance and maximum fleet uptime.
  2. Diagnostic and repair competency frameworks — design and implement for the full technician team, mapping training to O*NET skill domains and industry certification requirements.
  3. Fleet maintenance technology investments — evaluate and recommend adoption of new diagnostic software, CAD/CAM tooling, and telematics systems at the organizational level.
  4. Cross-functional safety and inspection programs — lead in alignment with federal DOT and state public safety regulations, reducing out-of-service rates across the entire vehicle fleet.
  5. Complex multi-system failure investigations — direct and resolve at the fleet or enterprise level, synthesizing data from multiple diagnostic platforms and technician reports.
  6. Preventive and predictive maintenance policies — author and continuously improve using fleet performance data, driving measurable reductions in unplanned downtime and repair costs.
  7. Technician hiring, onboarding, and career development — oversee to build a high-performing maintenance team capable of servicing advanced diesel and alternative-fuel vehicles.
  8. Vendor and parts supplier relationships — manage strategically using supply chain and inventory management systems to optimize cost, quality, and parts availability for the organization.
  9. Organizational performance metrics and maintenance KPIs — establish, monitor, and present to senior leadership to drive continuous improvement in fleet reliability and cost efficiency.
  10. Industry knowledge and best practices — represent externally through participation in professional associations, technical standards committees, or apprenticeship program development.

AI-at-Work Competency Framework

Sources:Anthropic Economic IndexAnthropic Economic Index — release_2026_03_24. Opens in new tab.Jadhav & Danve, 2026Skill Automation Feasibility Index — Jadhav & Danve, 2026 (arXiv:2604.06906). Opens in new tab.WEF Skills TaxonomyWEF Skills Taxonomy 2021 — Building a Common Language for Skills at Work. Opens in new tab.
Subscriber feature

Authoritative source data identified for 998 occupations

How a worker at each mastery level uses, directs, and evaluates AI tools in this occupation. Each statement cites its evidence inline; click a citation chip to verify the source.

Emerging
  1. Diagnostic code lookup — uses AI-assisted reference tools to retrieve fault code definitions and basic repair procedures from OEM documentation, cross-checking results against physical symptoms observed during inspection Jadhav & Danve, 2026Skill Automation Feasibility Index — Jadhav & Danve, 2026 (arXiv:2604.06906). Opens in new tab..
Developing
  1. Fault-tree navigation — feeds symptom descriptions and retrieved diagnostic trouble codes into an AI chat assistant to narrow the list of probable causes, then confirms each candidate with hands-on sensor and pressure tests Jadhav & Danve, 2026Skill Automation Feasibility Index — Jadhav & Danve, 2026 (arXiv:2604.06906). Opens in new tab. WEF Skills TaxonomyWEF Skills Taxonomy 2021 — Building a Common Language for Skills at Work. Opens in new tab..
  2. Maintenance schedule generation — directs an AI tool to compile preventive-maintenance intervals from multiple OEM sources into a single consolidated checklist, verifying accuracy against the original service manuals before use WEF Skills TaxonomyWEF Skills Taxonomy 2021 — Building a Common Language for Skills at Work. Opens in new tab..
Proficient
  1. Multi-system troubleshooting workflow — structures complex, intermittent fault scenarios as detailed prompts for an AI assistant, integrating the AI's ranked hypothesis list with live oscilloscope and scan-tool data to reach a confirmed diagnosis faster Jadhav & Danve, 2026Skill Automation Feasibility Index — Jadhav & Danve, 2026 (arXiv:2604.06906). Opens in new tab. WEF Skills TaxonomyWEF Skills Taxonomy 2021 — Building a Common Language for Skills at Work. Opens in new tab..
  2. Repair documentation drafting — delegates the initial write-up of work orders and failure-analysis reports to an AI writing tool, then edits for technical accuracy, part numbers, and shop-specific compliance requirements WEF Skills TaxonomyWEF Skills Taxonomy 2021 — Building a Common Language for Skills at Work. Opens in new tab..
  3. Parts and labor estimation — uses AI-enabled estimating tools to cross-reference parts availability, labor times, and cost data, retaining final judgment on vehicle condition factors the AI cannot observe physically Jadhav & Danve, 2026Skill Automation Feasibility Index — Jadhav & Danve, 2026 (arXiv:2604.06906). Opens in new tab..
Advanced
  1. Upskilling program design — draws on AI-generated gap analyses of technician diagnostic performance data to design targeted training modules, positioning the shop to capture the full upskilling opportunity in an evolving Q3 automation landscape Jadhav & Danve, 2026Skill Automation Feasibility Index — Jadhav & Danve, 2026 (arXiv:2604.06906). Opens in new tab..
  2. Predictive failure integration — leads implementation of AI-driven telematics monitoring for fleet clients, translating continuous vehicle health signals into prioritized maintenance queues while setting protocols for when AI alerts require immediate physical override WEF Skills TaxonomyWEF Skills Taxonomy 2021 — Building a Common Language for Skills at Work. Opens in new tab. Jadhav & Danve, 2026Skill Automation Feasibility Index — Jadhav & Danve, 2026 (arXiv:2604.06906). Opens in new tab..
  3. AI tool evaluation and governance — benchmarks competing AI diagnostic platforms against real shop fault cases, establishes acceptance criteria for AI-recommended repair paths, and documents escalation procedures when AI confidence is insufficient for safety-critical systems Jadhav & Danve, 2026Skill Automation Feasibility Index — Jadhav & Danve, 2026 (arXiv:2604.06906). Opens in new tab. WEF Skills TaxonomyWEF Skills Taxonomy 2021 — Building a Common Language for Skills at Work. Opens in new tab..
Evidence pack
SAFI positioning
Top skill: Troubleshooting
Score: 62.1 / 100
Quadrant: Q3_upskilling_window
precision: category_estimate
WEF cluster
Technology Use, Monitoring and Control
technology_use_monitoring_control
Sources:Jadhav & Danve, 2026Skill Automation Feasibility Index — Jadhav & Danve, 2026 (arXiv:2604.06906). Opens in new tab.WEF Skills TaxonomyWEF Skills Taxonomy 2021 — Building a Common Language for Skills at Work. Opens in new tab.

Pathsmith Durable Skills Framework

Sources:Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
Subscriber feature

Ten durable-skill domains mapped to four proficiency/role levels for each occupation. Each statement is aligned to the Pathsmith taxonomy, derived from trusted grounding data and mapped to occupation-specific O*NET tasks and skills.

1Communication11 statements
Emerging
  1. Basic repair status reporting — describes observed vehicle defects and completed work to supervisors using standard shop terminology Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Parts request communication — conveys component specifications and part numbers to suppliers or parts clerks through verbal or written requests Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  3. Safety hazard notification — reports unsafe vehicle conditions identified during inspection to fleet managers using clear, direct language Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
Developing
  1. Work order documentation — records diagnostic findings, labor performed, and parts used in written repair orders with sufficient detail for billing and compliance review Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Driver interview technique — elicits precise symptom descriptions from drivers through structured questioning to narrow diagnostic focus before beginning inspection Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  3. Technical explanation — translates diesel system malfunctions and repair recommendations into plain language for non-technical fleet coordinators or owner-operators Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Applying
  1. Multi-audience repair briefing — communicates the same diagnostic outcome with appropriate technical depth to both fleet managers and equipment operators depending on their role Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Inspection report writing — produces complete, legible DOT pre-trip and post-trip inspection documentation that meets regulatory standards and withstands audit review Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  3. Shift handoff communication — conveys in-progress repair status, outstanding parts orders, and vehicle readiness conditions to incoming technicians to ensure continuity of work Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Exceeding
  1. Mentored technical writing — guides apprentice technicians in constructing accurate, complete work orders and diagnostic narratives that meet shop quality standards Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Fleet maintenance briefing — presents systemic maintenance findings, failure trends, and recommended service intervals to fleet operations leadership using organized, evidence-based summaries Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
2Leadership10 statements
Emerging
  1. Peer assistance initiation — offers to assist fellow technicians with component removal or equipment positioning tasks requiring a second set of hands without waiting to be asked Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Safety protocol modeling — follows shop lockout/tagout and PPE procedures consistently, setting a behavioral standard visible to less experienced coworkers Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
Developing
  1. Apprentice task direction — assigns specific subtasks such as fluid draining or filter removal to helper-level technicians during complex overhauls and monitors their progress Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Shop priority coordination — identifies which vehicles in the service queue are most operationally critical and communicates that prioritization rationale to the service writer or lead technician Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  3. Tool and bay organization leadership — initiates end-of-shift tool accountability checks and bay cleanup routines, holding self and nearby coworkers to shop standards Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Applying
  1. Diagnostic team leadership — leads two- or three-person diagnostic sessions on intermittent or complex system failures, assigning investigative roles and synthesizing findings into a repair plan Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. New technician onboarding — guides newly hired mechanics through shop-specific procedures, equipment quirks, and safety expectations during their initial weeks on the floor Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  3. Accountability modeling — takes direct ownership when a repair callback occurs, leads the re-inspection, and communicates corrective action to the shop supervisor without deflection Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Exceeding
  1. Technical leadership in complex overhauls — directs multi-day engine or transmission rebuild projects across several technicians, managing sequencing, parts readiness, and quality checkpoints throughout Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Shop process improvement leadership — identifies recurring repair delays or callback patterns and leads the development and implementation of revised inspection or documentation procedures Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
3Metacognition10 statements
Emerging
  1. Diagnostic self-check — pauses after forming an initial fault hypothesis to ask whether available symptom evidence actually supports that conclusion before ordering parts Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Skill gap recognition — identifies specific systems such as advanced emissions controls or electronic braking where personal knowledge is insufficient and seeks additional instruction Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Developing
  1. Repair strategy planning — mentally sequences a complex overhaul into ordered steps before beginning disassembly, anticipating which components must be removed first to access target parts Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Post-repair reflection — reviews callbacks and incorrect initial diagnoses to identify which step in the troubleshooting process produced the wrong conclusion Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  3. Learning source selection — selects the most appropriate resource for a given knowledge gap, whether OEM service data, a technical service bulletin, or a peer with system-specific experience Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Applying
  1. Diagnostic confidence calibration — distinguishes between fault codes that confirm a diagnosis and those that only indicate a symptom, adjusting certainty level accordingly before committing to a repair Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Time estimation self-monitoring — tracks actual repair time against initial estimate, identifies where time was lost, and adjusts future planning assumptions based on that pattern Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  3. Knowledge transfer to practice — applies concepts learned in a technical training course to a live vehicle repair within the following work week, bridging classroom instruction to shop floor execution Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Exceeding
  1. Systematic diagnostic model use — consciously applies a structured diagnostic methodology such as divide-and-conquer or symptom-to-system mapping, and can articulate that methodology to trainees Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Continuous learning plan — maintains a personal development roadmap targeting certification gaps such as ASE credentials or OEM-specific training aligned to shop equipment and fleet type Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
4Critical Thinking10 statements
Emerging
  1. Symptom-to-system mapping — links a reported vehicle symptom such as excessive exhaust smoke to the relevant engine subsystems before beginning physical inspection Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Gauge reading interpretation — reads pressure, temperature, and voltage gauge outputs and identifies whether values fall within manufacturer-specified operating ranges Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
Developing
  1. Fault code analysis — retrieves diagnostic trouble codes using scan tools and evaluates whether active codes, pending codes, and freeze-frame data together confirm or contradict the suspected fault Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Root cause differentiation — distinguishes between a failed component and the upstream condition that caused the failure, preventing repeat repairs to the same system Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  3. Evidence-based parts ordering — delays ordering replacement components until diagnostic tests confirm the specific faulty part, avoiding unnecessary parts replacement Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Applying
  1. Intermittent fault diagnosis — constructs a systematic test plan for faults that do not present consistently, using historical work orders, driver input, and component stress testing to isolate the cause Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Safety criticality judgment — evaluates whether a discovered defect renders a vehicle out of service immediately or permits continued operation pending scheduled repair, applying DOT and FMCSA standards Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  3. Comparative vehicle analysis — uses the performance characteristics of a similar vehicle in the same fleet as a baseline to evaluate whether a suspect vehicle's readings are anomalous Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Exceeding
  1. Complex multi-system failure analysis — diagnoses faults where two or more interacting system failures produce a combined symptom set, correctly identifying both root causes through structured reasoning Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Repair vs. replace decision analysis — evaluates total cost of repair, remaining component service life, and vehicle utilization data to recommend whether rebuilding or replacing a major assembly is the sound decision Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
5Collaboration10 statements
Emerging
  1. Two-person lift coordination — communicates clearly with a coworker during heavy component removal using hoists or jacks, synchronizing movements to prevent injury or equipment damage Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Parts department interaction — provides complete and accurate vehicle identification and parts specifications to the parts counter, reducing back-and-forth and delays Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Developing
  1. Cross-shift information sharing — documents repair status and outstanding issues in a format that allows the next-shift technician to continue work without requiring a verbal handoff Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Collaborative diagnosis — contributes specific system knowledge to a group diagnostic discussion, listens to other technicians' observations, and integrates multiple inputs into a shared repair plan Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  3. Service writer collaboration — works with service writers to establish realistic completion timeframes based on parts availability and diagnostic complexity, rather than defaulting to pressure-driven estimates Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Applying
  1. Sublet and specialty shop coordination — communicates diagnostic findings and required specifications to alignment shops, radiator shops, or electrical specialists when work is subcontracted, ensuring handoff accuracy Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Fleet maintenance team integration — participates in fleet maintenance planning meetings, contributing inspection findings and component life data to shared preventive maintenance schedules Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  3. Training participation — engages constructively during OEM or ASE training sessions by asking relevant questions, sharing field observations, and applying learned content collaboratively with classmates Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Exceeding
  1. Cross-functional problem solving — leads joint sessions with fleet operations, drivers, and service management to resolve systemic vehicle reliability issues requiring coordinated action across departments Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Mentorship partnership — builds a sustained developmental relationship with a junior technician, providing regular feedback, assigning progressively complex tasks, and tracking skill growth over time Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
6Character10 statements
Emerging
  1. Tool and shop accountability — returns borrowed tools to their designated storage location after each use and reports missing or damaged equipment rather than leaving the issue for others to discover Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Honest defect reporting — reports all safety-relevant findings discovered during inspection even when the scope of work was limited to a different system Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
Developing
  1. Repair integrity — does not sign off on work as complete until a functional verification confirms the repair resolves the original complaint without introducing new issues Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Time and attendance professionalism — arrives ready to work at shift start, maintains consistent availability during the workday, and uses shop downtime productively rather than requiring supervision Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  3. Parts usage honesty — records all parts consumed during a repair accurately on the work order, including components that were installed and then replaced, without omitting items to avoid explanation Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Applying
  1. Safety non-negotiation — refuses to approve a vehicle for return to service when a safety-critical defect remains unresolved, regardless of schedule pressure from fleet operations or management Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Customer vehicle respect — maintains cleanliness of vehicle interiors and exteriors during repair, uses protective coverings on seats and floors, and returns vehicles in the same condition or better Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  3. Callback accountability — responds to a warranty or comeback situation by personally re-inspecting the vehicle, identifying the oversight, and correcting the repair without assigning blame to the customer or parts supplier Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Exceeding
  1. Ethics modeling in the shop — addresses shortcut-taking or falsified documentation when observed in peers, reinforcing shop and regulatory standards through direct and respectful conversation Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Regulatory compliance advocacy — champions adherence to DOT, EPA, and OSHA standards within the shop even when compliance adds time or cost to a repair, making the case for long-term liability and safety Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
7Creativity10 statements
Emerging
  1. Improvised tooling adaptation — selects an available shop tool as a functional substitute when the specified special tool is unavailable, verifying that the substitution does not risk component damage Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Alternative access route identification — identifies a non-standard disassembly sequence that provides equivalent component access while reducing labor time on a recurring repair Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Developing
  1. Diagnostic workaround development — designs a manual test procedure to confirm a suspected fault when the required electronic diagnostic equipment is unavailable or inconclusive Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Fabricated repair solution — fabricates a bracket, shim, or adapter in-shop to restore function when an OEM replacement part has an unacceptable lead time and a safe alternative can be produced Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  3. Novel symptom pattern recognition — connects a symptom presentation that does not match any service bulletin to a known failure mechanism from a different vehicle system through analogical reasoning Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Applying
  1. Custom maintenance interval development — develops a modified preventive maintenance schedule for a fleet operating under extreme duty cycles that departs from OEM recommendations based on documented component wear data Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Diagnostic efficiency innovation — creates a repeatable pre-test checklist for a specific recurring failure type that reduces average diagnostic time for that fault across the shop Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  3. Field repair resourcefulness — resolves a vehicle breakdown in a remote location using available hand tools and materials, restoring sufficient function for the vehicle to reach a service facility safely Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Exceeding
  1. Shop process design — designs a new vehicle intake inspection workflow that reduces missed defects and improves technician throughput, piloting the process and refining it based on observed outcomes Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Cross-platform diagnostic strategy — develops a diagnostic approach for a new powertrain technology entering the fleet by adapting proven methodology from related systems and testing its applicability Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
8Growth Mindset10 statements
Emerging
  1. Technical training enrollment — self-enrolls in available OEM training, ASE preparation courses, or shop-sponsored instruction without requiring management direction Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Callback acceptance — treats a diagnostic callback as a learning event rather than a failure, asking what additional test would have identified the actual root cause Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Developing
  1. Stretch assignment acceptance — volunteers to perform a repair type outside current comfort level, such as a first diesel particulate filter service or first automatic transmission rebuild, with available supervision Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Feedback integration — applies specific corrective feedback from a lead technician or service manager to the next comparable repair rather than repeating the same process Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  3. Technology adoption — invests time in learning new diagnostic software platforms or telematics interfaces introduced by the shop, viewing the learning curve as a professional investment Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Applying
  1. Certification pursuit — actively prepares for and sits ASE Medium/Heavy Truck certification examinations across multiple test series, using study materials, practice tests, and peer study groups Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Failure pattern mining — reviews personal work history for recurring diagnostic errors or system gaps and restructures daily practice to address those weaknesses directly Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  3. Emerging technology engagement — researches electric and hybrid commercial vehicle drivetrain systems in advance of their entry into the fleet, building foundational knowledge before formal training is provided Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Exceeding
  1. Learning culture contribution — shares field-discovered technical insights, unusual failure modes, and newly learned repair techniques with the broader shop team through informal instruction or written documentation Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Industry development participation — attends trade conferences, manufacturer technical days, or regional technician forums to stay current with diesel technology evolution and brings relevant learnings back to the shop Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
9Mindfulness10 statements
Emerging
  1. Pre-task hazard scan — pauses before beginning work under a raised vehicle or near rotating components to confirm all safety supports, lockouts, and personal protective equipment are in place Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Attention management under noise — maintains diagnostic focus in a high-noise shop environment by concentrating attention on specific instrument readings or auditory fault cues one at a time Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Developing
  1. Fatigue self-monitoring — recognizes when physical or mental fatigue is affecting precision during fine-tolerance work such as bearing installation or injector calibration and takes a structured break before continuing Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Frustration regulation during intermittent faults — manages impatience during prolonged diagnostic sessions on elusive faults, maintaining methodical process rather than reverting to guessing Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  3. Customer vehicle mindfulness — maintains continuous awareness of where tools and hardware are placed inside a customer vehicle to prevent forgotten tools or damage upon reassembly Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Applying
  1. Precision task intentionality — approaches torque-critical fastener installation with deliberate, unhurried technique, verifying each step before advancing rather than relying on habit or speed Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Workload pressure response — when facing multiple urgent vehicle requests simultaneously, consciously prioritizes tasks by safety criticality rather than responding to whichever demand is loudest Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  3. Environmental awareness maintenance — tracks the position of coworkers, moving shop equipment, and vehicle traffic within the bay throughout a repair operation to prevent proximity incidents Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
Exceeding
  1. Emotional regulation under fleet pressure — maintains calm, methodical diagnostic behavior when fleet managers escalate urgency over a down vehicle, preventing pressure-induced diagnostic shortcuts Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Mindful quality assurance — builds intentional pause points into complex reassembly sequences to verify torque specifications, fluid levels, and functional tests before closing access panels or releasing the vehicle Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
10Fortitude10 statements
Emerging
  1. Physical discomfort persistence — continues necessary work in confined spaces, extreme temperatures, or awkward positions without abandoning the task prematurely when completion is required for vehicle safety Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Diagnostic dead-end recovery — when an initial diagnostic approach yields no conclusive result, resets and begins a different investigative path rather than halting progress Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Developing
  1. Extended repair endurance — maintains quality and attention to detail throughout a multi-hour engine or drivetrain overhaul without allowing fatigue to produce assembly errors in later stages Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Uncertainty tolerance — continues a structured diagnostic process on a fault with no obvious cause, resisting the pressure to replace parts speculatively just to produce visible action Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  3. Criticism resilience — receives negative feedback on a repair quality issue from a supervisor without becoming defensive, processes the information, and returns to work with sustained performance Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Applying
  1. Sustained accuracy under production pressure — maintains complete inspection thoroughness and documentation quality even during high-volume periods when throughput pressure is intense Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Complex failure perseverance — pursues diagnosis on a multi-system failure across several days of investigation, maintaining systematic rigor without abandoning the process in favor of a convenient but unconfirmed answer Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  3. Adverse condition completion — completes roadside or emergency field repairs in rain, cold, or darkness when vehicle breakdown creates a safety or operational emergency, maintaining safe work practices throughout Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Exceeding
  1. Long-term fleet reliability advocacy — sustains a multi-month campaign to address a systemic fleet defect, continuing to document, escalate, and implement corrections despite initial resistance from fleet management Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Crisis repair leadership — directs emergency repair operations during a fleet breakdown event affecting multiple vehicles simultaneously, maintaining composure, allocating resources, and sustaining team focus until the situation is resolved Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Sources:Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
Show O*NET source anchors56 anchors · skillscrosswalk.com

O*NET enrichment · skillscrosswalk.com

Suggest an O*NET correction

Source anchors that ground each statement

Related titles
Diesel Mechanic · Biodiesel Engine Specialist · Boat Diesel Motor Mechanic · Boat Engine Installer · Boat Engine Mechanic · Boat Mechanic · Bus Engine Mechanic · Bus Garage Mechanic · Bus Mechanic · Bus Motor Mechanic · Bus Overhauler · Bus Transmission Mechanic
RAPIDS apprenticeships
0258 · Diesel Mechanic
O*NET skills
TroubleshootingRepairingOperations MonitoringEquipment MaintenanceQuality Control AnalysisCritical ThinkingEquipment SelectionJudgment and Decision MakingSpeakingActive ListeningMonitoringComplex Problem SolvingOperation and ControlTime Management
Knowledge domains
MechanicalTransportationEducation and TrainingEnglish LanguagePublic Safety and SecurityMathematicsComputers and ElectronicsAdministration and Management
Abilities
Near VisionManual DexterityArm-Hand SteadinessFinger DexterityControl PrecisionHearing SensitivityMultilimb CoordinationProblem SensitivityDeductive ReasoningExtent Flexibility
Work styles
DependabilityAttention to DetailCautiousnessPerseveranceStress ToleranceIntegrity
Technology
Computer aided design CAD softwareComputer aided manufacturing CAM softwareFacilities management softwareAnalytical or scientific softwareData base user interface and query softwareMaterials requirements planning logistics and supply chain softwareInventory management softwareSpreadsheet softwareOffice suite softwareWord processing software
Tasks · seed anchors for statements
  1. Use handtools, such as screwdrivers, pliers, wrenches, pressure gauges, or precision instruments, as well as power tools, such as pneumatic wrenches, lathes, welding equipment, or jacks and hoists.
  2. Inspect brake systems, steering mechanisms, wheel bearings, and other important parts to ensure that they are in proper operating condition.
  3. Raise trucks, buses, and heavy parts or equipment using hydraulic jacks or hoists.
  4. Adjust and reline brakes, align wheels, tighten bolts and screws, and reassemble equipment.
  5. Attach test instruments to equipment, and read dials and gauges to diagnose malfunctions.
  6. Perform routine maintenance such as changing oil, checking batteries, and lubricating equipment and machinery.
  7. Examine and adjust protective guards, loose bolts, and specified safety devices.
  8. Inspect, test, and listen to defective equipment to diagnose malfunctions, using test instruments such as handheld computers, motor analyzers, chassis charts, or pressure gauges.
CIP education codes
47.060547.0613

Sources: O*NET v30.2 (CC BY 4.0), SkillsCrosswalk.com, LER.me, Anthropic Economic Index, SAFI (Jadhav & Danve, 2026), WEF Skills Taxonomy 2021, Pathsmith Durable Skills Framework. © 2026 EBSCOed.