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.

Preparation

ItemValue
Preparation zoneZone 3 – Medium preparation needed
What O*NET says the zone requiresPrevious work-related skill, knowledge, or experience is required
Broad occupation in O*NETTrue (Yes)
Skills listed for this occupation6
Abilities listed for this occupation6
Tasks listed for this occupation5
Interest scores given for this occupation6

Skills

The 6 skills with the highest importance values in this occupation's records.

SkillO*NET elementImportanceDate
Repairing2.B.3.l4.008/2022
Troubleshooting2.B.3.k4.008/2022
Operations Monitoring2.B.3.g3.508/2022
Equipment Maintenance2.B.3.j3.3808/2022
Critical Thinking2.A.2.a3.2508/2022
Quality Control Analysis2.B.3.m3.2508/2022

The importance value is what each record itself carries on O*NET's importance scale; the date is the date in each record.

Abilities

The 6 abilities with the highest importance values in this occupation's records.

AbilityO*NET elementImportanceDate
Near Vision1.A.4.a.14.008/2022
Arm-Hand Steadiness1.A.2.a.13.8808/2022
Finger Dexterity1.A.2.a.33.8808/2022
Manual Dexterity1.A.2.a.23.8808/2022
Control Precision1.A.2.b.13.7508/2022
Hearing Sensitivity1.A.4.b.13.7508/2022

The importance value is what each record itself carries on O*NET's importance scale; the date is the date in each record.

Tasks

The tasks O*NET records for this occupation, with the type, respondent count and date each record carries.

TaskTypeIncumbents respondingDate
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.Core8108/2022
Inspect brake systems, steering mechanisms, wheel bearings, and other important parts to ensure that they are in proper operating condition.Core8008/2022
Raise trucks, buses, and heavy parts or equipment using hydraulic jacks or hoists.Core8108/2022
Adjust and reline brakes, align wheels, tighten bolts and screws, and reassemble equipment.Core8108/2022
Attach test instruments to equipment, and read dials and gauges to diagnose malfunctions.Core8008/2022

Work interests

The interest scores O*NET gives this occupation, on the six interest types.

InterestScoreDate
Realistic7.011/2023
Conventional3.7311/2023
Investigative3.2811/2023
Social1.5311/2023
Enterprising1.311/2023
Artistic1.011/2023

More occupations in preparation zone 3

Source: O*NET 29.1 Database (Occupation Data, Job Zones, Skills, Abilities, Task Statements, Interests), U.S. Department of Labor, Employment and Training Administration. Data fetched 2026-10-31. See about and sources.