TradeSalary

Diesel mechanic salary in St. Louis, MO-IL

Updated September 27, 2026 with BLS data from May 2025

Diesel mechanics in the St. Louis, MO-IL area earn a median of $62,280 a year, or $29.94 an hour, according to May 2025 BLS data. The highest-paid 10% make over $85,460 a year. Across all of Missouri, the median is $59,360, so St. Louis pays 5% more than the state as a whole.

Median yearly pay$62,280
Bottom 10% under$46,290Top 10% over$85,460
Entry-level starting pay (estimate)
$22.26/hr
Jobs in this area
2,610
After cost of living
$65,500
Median hourly pay
$29.94/hr
vs U.S. median
+1%
vs Missouri median
+5%
Mean (average) pay
$63,830 a year · $30.69 an hour
Source: BLS Occupational Employment and Wage Statistics, May 2025 (area 41180, St. Louis, MO-IL). Excludes self-employed diesel mechanics. Cost of living: BEA Regional Price Parities, 2024. *Starting pay is estimated from the 10th percentile; BLS does not report pay by license level.

Pay by percentile

What diesel mechanics in St. Louis, MO-IL earn at each point of the pay range, May 2025: 10% earn less than the 10th percentile, half earn less than the median, and 10% earn more than the 90th.

PercentileHourlyYearly
10th percentile$22.26$46,290
25th percentile$24.99$51,980
Median (50th)$29.94$62,280
75th percentile$34.86$72,510
90th percentile$41.09$85,460

BLS Occupational Employment and Wage Statistics, May 2025. BLS yearly figures are the hourly wage times 2,080 hours.

How St. Louis, MO-IL compares

  • St. Louis ranks 2nd of 8 Missouri metro areas for diesel mechanic pay.
  • Diesel mechanics hold about the same share of jobs in the St. Louis area as nationally: 1.9 of every 1,000 jobs.

Other Missouri metro areas

Other trades in St. Louis, MO-IL

Questions

Do diesel mechanics make more in St. Louis or Kansas City?
Pay is about the same: the median is $62,280 in St. Louis and $62,570 in Kansas City.

About this data

Wages are from the U.S. Bureau of Labor Statistics Occupational Employment and Wage Statistics survey for May 2025, occupation 49-3031 (Bus and Truck Mechanics and Diesel Engine Specialists), area code 41180 (St. Louis, MO-IL). BLS counts wage and salary workers only, so self-employed diesel mechanics and business owners aren't included. The cost-of-living figure divides the median by the Bureau of Economic Analysis Regional Price Parity for 2024 (95.1, where the U.S. average is 100). Page updated September 27, 2026. How we calculate these figures