O*NET-SOC 49-3031.00

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.

From O*NET 30.3

Tasks

From O*NET 30.3, by importance, as O*NET OnLine lists them

Free · O*NET 30.3

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.Core2981
Inspect brake systems, steering mechanisms, wheel bearings, and other important parts to ensure that they are in proper operating condition.Core2982
Raise trucks, buses, and heavy parts or equipment using hydraulic jacks or hoists.Core2985
Adjust and reline brakes, align wheels, tighten bolts and screws, and reassemble equipment.Core2984
Attach test instruments to equipment, and read dials and gauges to diagnose malfunctions.Core2991
Perform routine maintenance such as changing oil, checking batteries, and lubricating equipment and machinery.Core2983
Examine and adjust protective guards, loose bolts, and specified safety devices.Core2988
Inspect, test, and listen to defective equipment to diagnose malfunctions, using test instruments such as handheld computers, motor analyzers, chassis charts, or pressure gauges.Core2987
Rewire ignition systems, lights, and instrument panels.Core2992
Test drive trucks and buses to diagnose malfunctions or to ensure that they are working properly.Core2986
Diagnose and repair vehicle heating and cooling systems.Core18582
Inspect, repair, and maintain automotive and mechanical equipment and machinery, such as pumps and compressors.Core2995
Inspect and verify dimensions and clearances of parts to ensure conformance to factory specifications.Core2989
Disassemble and overhaul internal combustion engines, pumps, generators, transmissions, clutches, and differential units.Core2996
Adjust or repair computer controlled exhaust emissions devices.Core19886
Rebuild gas or diesel engines.Core2997
Specialize in repairing and maintaining parts of the engine, such as fuel injection systems.Core2990
Measure vehicle emissions to determine whether they are within acceptable limits.Supplemental19889
Follow green operational practices involving conservation of water or energy or reduction of solid waste.Supplemental19887
Recondition and replace parts, pistons, bearings, gears, and valves.Core2993
Install or repair accessories.Core20453
Repair or adjust seats, doors, or windows.Core20454
Dismount, mount, and repair or replace tires.Core23955
Align front ends and suspension systems.Core2998
Maintain or repair vehicles with alternative fuel systems, including biodiesel, hybrid, or compressed natural gas vehicles.Core19888
Operate valve-grinding machines to grind and reset valves.Supplemental2999

Technology Skills

From O*NET 30.3, 15 examples in 11 categories, 6 Hot Technology

Free · O*NET 30.3

Computer aided design CAD software

Autodesk AutoCADHot Technology
Dassault Systemes CATIA
Dassault Systemes SolidWorksHot Technology

Facilities management software

Computerized maintenance management system software CMMS
Shop management software

Analytical or scientific software

Cummins INSITE
Engine diagnostic software

Data base user interface and query software

Database software

Materials requirements planning logistics and supply chain software

Fleet management software

Inventory management software

Inventory tracking software

Spreadsheet software

Microsoft ExcelHot Technology

Office suite software

Microsoft Office softwareHot Technology

Word processing software

Microsoft WordHot Technology

Enterprise resource planning ERP software

SAP softwareHot Technology

Calendar and scheduling software

Scheduling software

Detailed Work Activities

From O*NET 30.3, under their work activities; open one for the AI skills Workforce Automation maps to it

Free · O*NET 30.3

Monitoring Processes, Materials, or Surroundings

Observe equipment in operation to detect potential problems.
WFA · Part of the paid plan when accounts open
WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level
- No tools yet
- Not mapped yet

Inspecting Equipment, Structures, or Materials

Inspect mechanical components of vehicles to identify problems.
WFA · Part of the paid plan when accounts open
WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level
- No tools yet
- Not mapped yet
Test mechanical equipment to ensure proper functioning.
WFA · Part of the paid plan when accounts open
WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level
- No tools yet
- Not mapped yet
Measure equipment outputs.
WFA · Part of the paid plan when accounts open
WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level
- No tools yet
- Not mapped yet

Estimating the Quantifiable Characteristics of Products, Events, or Information

Measure distances or dimensions.
WFA · Part of the paid plan when accounts open
WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level
- No tools yet
- Not mapped yet

Making Decisions and Solving Problems

Troubleshoot equipment or systems operation problems.
WFA · Part of the paid plan when accounts open
WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level
- No tools yet
- Not mapped yet
Select tools, equipment, or technologies for use in operations or projects.
WFA · Part of the paid plan when accounts open
WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level
- No tools yet
- Not mapped yet

Handling and Moving Objects

Rewire electrical or electronic systems.
WFA · Part of the paid plan when accounts open
WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level
- No tools yet
- Not mapped yet
Align equipment or machinery.
WFA · Part of the paid plan when accounts open
WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level
- No tools yet
- Not mapped yet
Install vehicle parts or accessories.
WFA · Part of the paid plan when accounts open
WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level
- No tools yet
- Not mapped yet
Adjust vehicle components according to specifications.
WFA · Part of the paid plan when accounts open
WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level
- No tools yet
- Not mapped yet
Adjust equipment to ensure optimal performance.
WFA · Part of the paid plan when accounts open
WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level
- No tools yet
- Not mapped yet
Grind parts to required dimensions.
WFA · Part of the paid plan when accounts open
WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level
- No tools yet
- Not mapped yet
Dismantle heavy equipment or machinery.
WFA · Part of the paid plan when accounts open
WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level
- No tools yet
- Not mapped yet

Controlling Machines and Processes

Operate cranes, hoists, or other moving or lifting equipment.
WFA · Part of the paid plan when accounts open
WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level
- No tools yet
- Not mapped yet

Operating Vehicles, Mechanized Devices, or Equipment

Operate transportation equipment to demonstrate function or malfunction.
WFA · Part of the paid plan when accounts open
WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level
- No tools yet
- Not mapped yet

Repairing and Maintaining Mechanical Equipment

Replace worn, damaged, or defective mechanical parts.
WFA · Part of the paid plan when accounts open
WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level
- No tools yet
- Not mapped yet
Repair defective engines or engine components.
WFA · Part of the paid plan when accounts open
WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level
- No tools yet
- Not mapped yet
Repair tires.
WFA · Part of the paid plan when accounts open
WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level
- No tools yet
- Not mapped yet
Repair non-engine automotive or vehicle components.
WFA · Part of the paid plan when accounts open
WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level
- No tools yet
- Not mapped yet
Rebuild parts or components.
WFA · Part of the paid plan when accounts open
WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level
- No tools yet
- Not mapped yet
Service green vehicles to make repairs or maintain good working order.
WFA · Part of the paid plan when accounts open
WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level
- No tools yet
- Not mapped yet
Service vehicles to maintain functionality.
WFA · Part of the paid plan when accounts open
WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level
- No tools yet
- Not mapped yet

Repairing and Maintaining Electronic Equipment

Lubricate equipment to allow proper functioning.
WFA · Part of the paid plan when accounts open
WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level
- No tools yet
- Not mapped yet

Monitoring and Controlling Resources

Monitor resources.
WFA · Part of the paid plan when accounts open
WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level
- No tools yet
- Not mapped yet

Job Zone

From O*NET 30.3

Free · O*NET 30.3

Job Zone Three: Medium Preparation Needed

Workforce Automation analysis, not part of the source

WFA coverage: AI skills for this job

WFA · Part of the paid plan when accounts open

Pilot mapping: these skill links come from our seed list and haven’t been reviewed yet. Expect them to change as each one is checked.

DWAs covered by an AI skill0 of 25

Distinct tools0

Level mix

No tools yet

Equivalents

NICE work roles, with their DCWF equivalents

Mapped to this job by the ETO-CSET NICE/O*NET crosswalk (2024); roles from NICE Framework Components v2.2.0, DCWF equivalents from DoD DCWF Tool v5.3 (2026-09-25)

Free · NICE Framework Components v2.2.0 and DoD DCWF Tool v5.3 (2026-09-25)

No NICE work role maps to this job.