Skilled Wages

Diesel mechanic salary in Wisconsin

Median $30.02 an hour for 6,750 bus and truck mechanics and diesel engine specialists, May 2025, with the union scale by county and the trend since 1999.

$30.02/hrMedian hourly wageWisconsin, May data
$62,450/yrMedian annual payfull-time equivalent
$21.76 – $39.5210th to 90th percentilehourly range
6,750Jobs countedemployer survey

Diesel mechanic pay in Wisconsin: the full range

Wage percentiles, WisconsinMarket wage, 10th-90th pctU.S. reference$10$20$30$40$50/hrWisconsin: 10th $21.76 · 25th $25.02 · median $30.02 · 75th $35.96 · 90th $39.52Wisconsin$30.02$21.76$39.52United States: 10th $21.41 · 25th $24.30 · median $29.70 · 75th $36.29 · 90th $42.66United States$29.70
Hourly wage percentiles for bus and truck mechanics and diesel engine specialists: Wisconsin vs United States, May 2025.

Wisconsin ranks 21st of 51 states for median diesel mechanic pay, and 16th once adjusted for cost of living (the cost-of-living-adjusted median is $31.90). 6,750 bus and truck mechanics and diesel engine specialists work in the state.

Career stage (approximate)HourlyAnnualWhere it sits in the distribution
Apprentice / entry$21.76 – $25.02$45,250 – $52,040roughly the 10th–25th percentile
Journeyman$25.02 – $35.96$52,040 – $74,800the middle half, around the median
Master / foreman / specialist$35.96 – $39.52$74,800 – $82,210the 75th–90th percentile and above

Where does your pay fall?



Diesel mechanic pay by metro in Wisconsin

Ranked median wages$0$10$20$30$40/hrMinneapolis: $35.45Minneapolis$35.45Duluth: $32.81Duluth$32.81Janesville: $32.28Janesville$32.28Oshkosh: $31.44Oshkosh$31.44Racine: $31.14Racine$31.14Appleton: $30.70Appleton$30.70Madison: $30.70Madison$30.70Milwaukee: $30.25Milwaukee$30.25Fond du Lac: $30.08Fond du Lac$30.08Eau Claire: $30.00Eau Claire$30.00La Crosse: $29.37La Crosse$29.37Green Bay: $29.26Green Bay$29.26
Median hourly wage for bus and truck mechanics and diesel engine specialists by metro area in Wisconsin, May 2025.
Metro10thMedian $/hr90thJobsvs state
Minneapolis$24.71$35.45$45.254,29018% above
Duluth$23.69$32.81$43.333709% above
Janesville$22.74$32.28$41.972408% above
Oshkosh$22.55$31.44$42.722605% above
Racine$22.47$31.14$36.902904% above
Appleton$21.31$30.70$38.532702% above
Madison$21.88$30.70$39.028402% above
Milwaukee$22.46$30.25$40.041,3801% above
Fond du Lac$21.12$30.08$37.62120about the same as
Eau Claire$21.38$30.00$37.66270about the same as
La Crosse$21.78$29.37$37.292602% below
Green Bay$22.00$29.26$39.134303% below
Kenosha$22.15$28.82$36.971904% below
Sheboygan$22.48$28.73$36.841104% below
Wausau$17.49$28.53$36.972805% below

Diesel mechanic wages in Wisconsin over time

Wisconsin, 1999-2025WisconsinUnited StatesSOC 2010SOC 2018 / Method changeExact wages$10$15$20$25$30$35200020052010201520202025$30.02Wisconsin$29.70United States
Median hourly wage for bus and truck mechanics and diesel engine specialists, Wisconsin vs United States, 1999–2025, nominal dollars.
Table
YearWisconsin $/hrIn 2025 $US $/hrJobs
1999$14.39$27.81$14.777,740
2000$15.88$29.69$15.557,240
2001$16.42$29.85$16.146,650
2002$16.86$30.17$16.536,290
2003$16.81$29.41$16.815,750
2004$16.79$28.62$17.205,130
2005$17.33$28.57$17.615,340
2006$18.11$28.92$18.115,210
2007$17.90$27.79$18.585,630
2008$18.35$27.44$18.945,480
2009$19.06$28.60$19.355,800
2010$19.61$28.95$19.645,450
2011$19.68$28.17$20.026,220
2012$19.29$27.05$20.356,080
2013$19.41$26.82$20.545,980
2014$20.09$27.32$20.986,060
2015$20.90$28.39$21.406,050
2016$21.58$28.95$21.726,130
2017$22.61$29.70$22.296,210
2018$22.86$29.31$22.765,990
2019$23.46$29.54$23.326,070
2020$23.83$29.64$24.135,440
2021$23.74$28.21$23.416,120
2022$27.28$30.01$26.145,700
2023$28.57$30.19$28.356,250
2024$28.94$29.70$29.157,170
2025$30.02$30.02$29.706,750

In today's dollars, the median diesel mechanic wage in Wisconsin changed by +5.7% over the last ten years of data.

Is construction work growing in Wisconsin?

167.3kConstruction jobsWisconsin, 2026-08
+7.5%Change over 12 monthsseasonally unadjusted
Construction employment, 1990-202650k100k150k200k19901995200020052010201520202025167kAug 2026
Construction employment in Wisconsin (thousands), construction supersector, BLS CES, not seasonally adjusted. Grey bands are recessions.

Keep comparing

Diesel mechanic pay in neighbouring states

Other trades in Wisconsin

Questions this page answers

How much do diesel mechanics make in Wisconsin?

The median diesel mechanic in Wisconsin earned $30.02 an hour ($62,450 a year) in May 2025, 1% above the national median of $29.70. The middle half earn $25.02–$35.96; the top 10% earn more than $39.52.

Where does Wisconsin rank for diesel mechanic pay?

Wisconsin ranks 21st of 51 states for diesel mechanic pay, with a median of $30.02 an hour, and 16th after adjusting for Wisconsin's cost of living (BEA price parity 94.1, US = 100).

What is the union diesel mechanic rate in Wisconsin?

Davis-Bacon determinations do not list a diesel mechanic classification for most Wisconsin counties, or the trade is not covered; the BLS wage figures above are the best available measure.

How many diesel mechanics work in Wisconsin?

BLS counted 6,750 bus and truck mechanics and diesel engine specialists in Wisconsin in May 2025, 2.3 per 1,000 jobs (location quotient 1.23; 1.0 is the national average concentration).

Sources and notes

  • BLS Occupational Employment and Wage Statistics, May 2025, Wisconsin and metro areas, SOC 49-3031.
  • BLS Current Employment Statistics, state construction employment through 2026-08.
  • BLS Quarterly Census of Employment and Wages, 2025 annual averages.
  • BEA Regional Price Parities (cost-of-living adjustment).
  • SAM.gov Davis-Bacon wage determinations, current revisions as of 2026-09-28. Not the official determination.