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 Mechanic
Diesel Mechanic
Diesel Technician (Diesel Tech)
Truck Mechanic
What You'll Need to Succeed
AI-generated
Key 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
Line chart of annual wages by percentile. U.S. is the solid line. 10th percentile: U.S. $41,670. 25th percentile: U.S. $49,240. 50th percentile: U.S. $60,640. 75th percentile: U.S. $73,690. 90th percentile: U.S. $85,980. Use the left and right arrow keys to move between percentiles.
U.S.
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
Skills & Requirements: Knowledge
Tools & Technology
Equipment and software commonly used in this occupation
In-Demand Technology
Frequently requested by employers in job postings
Autodesk AutoCAD
Dassault Systemes SolidWorks
Microsoft Excel
Microsoft Office software
Microsoft Word
SAP software
Technology Skills
Computer aided design CAD software
Computer aided manufacturing CAM software
Computerized maintenance management system software CMMS
