Skilled Wages

Diesel mechanic salary in Wisconsin

Median $30.02 an hour for 6,750 diesel mechanics, May 2025, with the union scale by county, the job trend since 1999 and the state's own outlook.

$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 diesel mechanics: 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 diesel mechanics work in the state. The top 10% earn 1.8× what the bottom 10% earn.

Career stage (approximate)HourlyAnnualWhere it sits in the distribution
Apprentice / entry level$21.76 – $25.02$45,250 – $52,040roughly the 10th to 25th percentile
Journeyman$25.02 – $35.96$52,040 – $74,800the middle half, around the median
Master, foreman or specialist$35.96 – $39.52$74,800 – $82,210the 75th to 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 diesel mechanics by metro area in Wisconsin, May 2025.
Metro10thMedian $/hrCost-of-living adjusted90thJobsvs state
Minneapolis$24.71$35.45$33.83$45.254,29018% above
Duluth$23.69$32.81$36.95$43.333709% above
Janesville$22.74$32.28$34.45$41.972408% above
Oshkosh$22.55$31.44$33.84$42.722605% above
Racine$22.47$31.14$32.44$36.902904% above
Appleton$21.31$30.70$33.23$38.532702% above
Madison$21.88$30.70$31.55$39.028402% above
Milwaukee$22.46$30.25$31.22$40.041,3801% above
Fond du Lac$21.12$30.08$32.84$37.62120about the same as
Eau Claire$21.38$30.00$32.33$37.66270about the same as
La Crosse$21.78$29.37$31.99$37.292602% below
Green Bay$22.00$29.26$31.43$39.134303% below
Kenosha$22.15$28.82$28.51$36.971904% below
Sheboygan$22.48$28.73$30.56$36.841104% below
Wausau$17.49$28.53$30.78$36.972805% below

Cost-of-living adjusted: median divided by the BEA regional price parity for the metro (2024, US = 100).

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 diesel mechanics, 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 and by +1.6% since 2019.

Are there more diesel mechanic jobs in Wisconsin?

+11.2%Jobs since 20196,070 then, 6,750 in 2025
+11.6%Jobs over 10 years2015 to 2025, employer survey
2.3Jobs per 1,000 in the stateconcentration 1.2× the US share, 17th of 51 states

Since 1999, the number of diesel mechanics counted in Wisconsin has changed by -12.8%, against +6.1% for the country as a whole. Since 2019 the state count changed by +11.2%.

Bus and truck mechanics and diesel engine specialists in Wisconsin vs United States, 1999 = 100WisconsinUnited StatesSOC 2010SOC 2018 / Method changeExact wages6080100120200020052010201520202025106United States87Wisconsin
Jobs counted by the BLS employer survey, Wisconsin vs United States, indexed to 1999 = 100. Shaded bands mark survey method changes.
Table
YearWisconsin jobsWisconsin indexUS index
19997,740100100
20007,2409495
20016,6508693
20026,2908193
20035,7507491
20045,1306692
20055,3406991
20065,2106793
20075,6307392
20085,4807191
20095,8007585
20105,4507082
20116,2208082
20126,0807984
20135,9807787
20146,0607889
20156,0507892
20166,1307993
20176,2108095
20185,9907797
20196,0707897
20205,4407093
20216,1207996
20225,7007499
20236,25081104
20247,17093105
20256,75087106

Job counts are BLS OEWS survey estimates built from three years of samples, so moves of a few percent from one year to the next are within the survey's margin. Self-employed tradespeople are not counted. Areas with fewer than 3,000 jobs or a large sampling error are shown as a single figure rather than a trend.

Outlook for diesel mechanics in Wisconsin

+2.6%Projected growth in Wisconsin2024–2034, state agency
650Openings per yeargrowth plus replacements
7,820Jobs in 20248,020 projected for 2034
+3.6%US projected growth2025-35, BLS, for comparison

Wisconsin's labor market agency projects the number of diesel mechanics in the state to change by +2.6% between 2024 and 2034, from 7,820 to 8,020, with about 650 openings a year. Nationally, BLS projects +3.6% over 2025-35. State counts include the self-employed, so the base is larger than the 6,750 counted by the BLS employer survey.

Source: Wisconsin labor market information agency via Projections Central, 2024–2034 long-term projections (state projections page).

Is construction work growing in Wisconsin?

160.1kConstruction jobsWisconsin, 2026-09
+5.0%Change over 12 monthsseasonally unadjusted
Construction employment, 1990-202650k100k150k200k19901995200020052010201520202025160kSep 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

More on 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 diesel mechanics in Wisconsin in May 2025, 2.3 per 1,000 jobs (location quotient 1.23; 1.0 is the national average concentration).

Is diesel mechanic work growing in Wisconsin?

The BLS employer survey count of diesel mechanics in Wisconsin went from 6,050 in 2015 to 6,750 in 2025, +11.6%, and +11.2% since 2019. Wisconsin's labor market agency projects +2.6% growth for diesel mechanics between 2024 and 2034, from 7,820 to 8,020 jobs.

How many diesel mechanic openings a year are there in Wisconsin?

Wisconsin projects about 650 openings a year for diesel mechanics over 2024–2034, counting both new positions and replacements for people who retire or change occupation. Nationally BLS projects about 24,400 a year.

Sources and notes

  • BLS Occupational Employment and Wage Statistics, May 2025, Wisconsin and metro areas, SOC 49-3031. Job counts are survey estimates and exclude the self-employed.
  • BLS Current Employment Statistics, state construction employment through 2026-09.
  • BLS Quarterly Census of Employment and Wages, 2025 annual averages.
  • BEA Regional Price Parities, 2024 (cost-of-living adjustment).
  • SAM.gov Davis-Bacon wage determinations, current revisions as of 2026-11-13. Not the official determination.
  • BLS Employment Projections, national, 2025-35.
  • State projection: Wisconsin labor market information agency via Projections Central, 2024–2034, fetched 2026-10-05.