Careers / Bus and Truck Mechanics and Diesel Engine Specialists

Bus and Truck Mechanics and Diesel Engine Specialists — Career Decision Dashboard

United States

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Median annual wage

$61,770

United States, 2025

Employment

289,960

United States, 2025

Typical education

Post-Secondary Certificate

Job Zone 3

Skills identified

35

10 related careers

Career overview

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.

O*NET code
49-3031.00
Job zone
3
Experience required
Over 1 year, up to and including 2 years

Typical tasks

  • 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.
  • Inspect brake systems, steering mechanisms, wheel bearings, and other important parts to ensure that they are in proper operating condition.
  • Raise trucks, buses, and heavy parts or equipment using hydraulic jacks or hoists.
  • Adjust and reline brakes, align wheels, tighten bolts and screws, and reassemble equipment.
  • Attach test instruments to equipment, and read dials and gauges to diagnose malfunctions.
  • Perform routine maintenance such as changing oil, checking batteries, and lubricating equipment and machinery.
  • Examine and adjust protective guards, loose bolts, and specified safety devices.
  • Inspect, test, and listen to defective equipment to diagnose malfunctions, using test instruments such as handheld computers, motor analyzers, chassis charts, or pressure gauges.

Choose a location

Salary analysis — United States

$44,530
10th
$50,540
25th
$61,770
Median
$75,470
75th
$88,740
90th

10th percentile

$44,530

25th percentile

$50,540

75th percentile

$75,470

90th percentile

$88,740

Most important skills

  • Repairing4.0
  • Troubleshooting4.0
  • Operations Monitoring3.5
  • Equipment Maintenance3.4
  • Quality Control Analysis3.3
  • Critical Thinking3.3
  • Speaking3.1
  • Judgment and Decision Making3.1
  • Equipment Selection3.1
  • Active Listening3.0
  • Monitoring3.0
  • Complex Problem Solving3.0

What skills do you need?

Select the skills you already have

Skills listed are those O*NET rates at importance 3.0 or above for this occupation. Set your own level on the same 0–7 O*NET scale.

Skill coverage

0%

0 of 14 identified skills

Matched

0

Missing

14

Your selected skills cover approximately 0% of the skills identified for this occupation in O*NET. This is a coverage measure of listed skills only — it is not a qualification, hiring or interview outcome.

Skills to develop

SkillImportanceRequired levelYour levelGap
Repairing4.03.9Not selected3.9
Troubleshooting4.03.8Not selected3.8
Equipment Maintenance3.43.4Not selected3.4
Operations Monitoring3.53.3Not selected3.3
Critical Thinking3.33.4Not selected3.4
Quality Control Analysis3.33.3Not selected3.3
Speaking3.13.0Not selected3.0
Judgment and Decision Making3.13.0Not selected3.0
Equipment Selection3.13.0Not selected3.0
Operation and Control3.03.1Not selected3.1
Active Listening3.03.0Not selected3.0
Monitoring3.03.0Not selected3.0
Complex Problem Solving3.03.0Not selected3.0
Time Management3.02.9Not selected2.9

Ordered by required level gap multiplied by O*NET importance. No prediction or recommendation is implied.

Related careers

How salary varies by location

LocationMedianEmploymentYear
San Jose, CA$88,9807202025
Urban Honolulu, HI$85,0405402025
Seattle, WA$82,3303,7402025
San Francisco, CA$82,1001,7302025
Bremerton, WA$80,4501602025
HI$80,0806902025
Boulder, CO$79,0301502025
Olympia, WA$78,9602602025
Paducah, KY$78,9001902025
Bellingham, WA$78,3302202025
Napa, CA$78,070602025
WA$77,9007,4102025
Mount Vernon, WA$77,4601702025
Los Angeles, CA$77,3806,5202025
Modesto, CA$76,6404202025
Bridgeport, CT$75,9404202025
New York, NY$75,78012,4302025
Boston, MA$75,7703,1102025
Santa Cruz, CA$75,670902025
AK$75,5808602025
All locations with published data

Career transition paths

Compare the skills of a career you hold today with Bus and Truck Mechanics and Diesel Engine Specialists to see shared skills, target-only skills and skill overlap.

Build a transition comparison

Career and skills data: O*NET 31.0.

Salary and employment data: U.S. Bureau of Labor Statistics, OEWS, 2025 (May 2025 release).

Figures are periodic published survey snapshots, not real-time market rates.