Bus and Truck Mechanics and Diesel Engine Specialists
Diagnose, adjust, repair, or overhaul buses and trucks, or maintain and repair any type of diesel engines. Includes mechanics working primarily with automobile or marine diesel engines.
SOC: 49-3031.00
Common Job Titles
Bus MechanicDiesel MechanicDiesel Technician (Diesel Tech)Truck Mechanic
What You'll Need to Succeed
AI-generatedKey competencies for this occupation at a glance
- KnowledgeAnalyze mechanical and electronic system malfunctions using diagnostic computers and test equipment to identify root causes in buses, trucks, and diesel engines.Proficient
- Hands-onPerform overhaul and repair procedures on diesel engines and mechanical systems using hand tools, power tools, and precision measuring instruments in workshop settings.Proficient
- KnowledgeEvaluate vehicle and equipment conditions against safety and performance standards through systematic inspection of mechanical and electronic components following regulatory requirements.Proficient
- Hands-onOperate diagnostic equipment and specialized testing tools including DDEC readers, multimeters, dynamometers, and computerized diagnostic systems for troubleshooting.Proficient
- KnowledgeInterpret technical manuals, service bulletins, and diagnostic data to determine appropriate repair procedures and specifications for diesel engines and vehicle systems.Proficient
- KnowledgeCompare measured tolerances and specifications against manufacturer standards using micrometers, calipers, bore gauges, and feeler gauges to ensure quality repairs.Proficient
- Hands-onCoordinate complex disassembly and reassembly of engine and drivetrain components using hoists, jacks, hydraulic equipment, and specialty tools while maintaining safety protocols.Proficient
- KnowledgeJustify repair recommendations and parts replacement decisions based on diagnostic findings, cost-benefit analysis, and safety considerations when consulting with fleet managers.Proficient
- KnowledgeApply knowledge of mechanical, hydraulic, pneumatic, and electrical systems to troubleshoot integrated vehicle systems including braking, fuel injection, and emission control.Proficient
- Hands-onExecute welding, brazing, and fabrication tasks using MIG, TIG, and gas welding equipment to repair or modify vehicle components and frames.Developing
- MindsetEngage with customers and supervisors to understand vehicle performance issues and service needs through active listening and effective communication to ensure accurate problem diagnosis.Developing
- MindsetPrioritize multiple repair tasks and preventive maintenance schedules while balancing customer needs, vehicle downtime constraints, and shop workflow demands.Developing
Wage Data According to the Bureau of Labor Statistics
Annual wage data for Bus and Truck Mechanics and Diesel Engine Specialists (2024)
Estimated Total Employment (U.S.)
287,230
Wage Distribution by Percentile
| Metric | U.S. |
|---|---|
| 10% of workers earn the following or less | $41,670 |
| 10% of workers earn the following or more | $85,980 |
| Workers on average earn | $62,480 |
+ indicates wage is at or above the BLS reporting cap ($239,200/year)
Skills & Requirements
Key competencies for this occupation, ranked by importance
- Mechanical4.7/5
- Transportation3.9/5
- Education and Training3.5/5
- English Language3.5/5
- Public Safety and Security3.4/5
Tools & Technology
Equipment and software commonly used in this occupation
In-Demand Technology
Frequently requested by employers in job postings
Autodesk AutoCADDassault Systemes SolidWorksMicrosoft ExcelMicrosoft Office softwareMicrosoft WordSAP software
Technology Skills
Computer aided design CAD softwareComputer aided manufacturing CAM softwareComputerized maintenance management system software CMMSCummins INSITEDassault Systemes CATIADatabase softwareEngine diagnostic softwareFleet management software
Tools & Equipment
Acetylene torchesAdjustable crescent wrenchesAdjustable widemouth pliersAdjustable wrenchesBall peen hammersBattery chargersBearing heating ovensBlast cleaning cabinets