Skilled Wages

Diesel mechanic salary: what diesel mechanics actually make

BLS employer-survey wages for 289,960 bus and truck mechanics and diesel engine specialists nationwide, plus the union scale contractors must pay on federal jobs.

$29.70/hrMedian hourly wageUnited States, May data
$61,770/yrMedian annual payfull-time equivalent
$21.41 – $42.6610th to 90th percentilehourly range
289,960Jobs countedemployer survey

What bus and truck mechanics and diesel engine specialists earn: the full range

Wage percentiles, United States$10$20$30$40$50/hrUnited States: 10th $21.41 · 25th $24.30 · median $29.70 · 75th $36.29 · 90th $42.66United States$29.70$21.41$42.66
Hourly wage percentiles for bus and truck mechanics and diesel engine specialists, May 2025. The bar spans the 25th–75th percentile; the line spans the 10th–90th.

The middle half of bus and truck mechanics and diesel engine specialists earn between $24.30 and $36.29 an hour. The top 10% earn more than $42.66 ($88,740 a year); the bottom 10% earn less than $21.41.

Career stage (approximate)HourlyAnnualWhere it sits in the distribution
Apprentice / entry$21.41 – $24.30$44,530 – $50,540roughly the 10th–25th percentile
Journeyman$24.30 – $36.29$50,540 – $75,470the middle half, around the median
Master / foreman / specialist$36.29 – $42.66$75,470 – $88,740the 75th–90th percentile and above

Career-stage bands are an approximate reading of the wage distribution, not a BLS classification. Union journeyman scale by county is in the prevailing-wage section below.

Diesel mechanic pay by state

Median hourly wage, diesel mechanicsAK: $36.34AKAL: $24.26ALAR: $25.16ARAZ: $29.65AZCA: $35.55CACO: $33.89COCT: $32.36DC: $31.34DE: $30.57FL: $29.08FLGA: $29.50GAHI: $38.50HIIA: $28.69IAID: $28.48IDIL: $30.93ILIN: $29.14INKS: $28.59KSKY: $26.67KYLA: $28.21LAMA: $35.23MD: $35.96ME: $29.26MEMI: $29.53MIMN: $32.14MNMO: $28.54MOMS: $26.14MSMT: $28.84MTNC: $27.64NCND: $31.78NDNE: $28.44NENH: $34.32NJ: $34.78NM: $26.88NMNV: $32.89NVNY: $33.70NYOH: $29.07OHOK: $26.61OKOR: $30.76ORPA: $29.68PARI: $32.34SC: $28.53SCSD: $27.94SDTN: $28.46TNTX: $28.27TXUT: $30.94UTVA: $29.37VAVT: $28.55WA: $37.45WAWI: $30.02WIWV: $22.41WVWY: $29.61WYSmall statesCT $32.36DC $31.34DE $30.57MA $35.23MD $35.96NH $34.32NJ $34.78RI $32.34VT $28.55Median hourly wage, diesel mechanics$28.27$29.07$30.02$32.89
Median hourly wage for bus and truck mechanics and diesel engine specialists by state, May 2025. Click a state for its page.
Table
StateMedian $/hrvs US
Hawaii$38.5030% above
Washington$37.4526% above
Alaska$36.3422% above
Maryland$35.9621% above
California$35.5520% above
Massachusetts$35.2319% above
New Jersey$34.7817% above
New Hampshire$34.3216% above
Colorado$33.8914% above
New York$33.7013% above
Nevada$32.8911% above
Connecticut$32.369% above
Rhode Island$32.349% above
Minnesota$32.148% above
North Dakota$31.787% above
District of Columbia$31.346% above
Utah$30.944% above
Illinois$30.934% above
Oregon$30.764% above
Delaware$30.573% above
Wisconsin$30.021% above
Pennsylvania$29.68about the same as
Arizona$29.65about the same as
Wyoming$29.61about the same as
Michigan$29.531% below
Georgia$29.501% below
Virginia$29.371% below
Maine$29.261% below
Indiana$29.142% below
Florida$29.082% below
Ohio$29.072% below
Montana$28.843% below
Iowa$28.693% below
Kansas$28.594% below
Vermont$28.554% below
Missouri$28.544% below
South Carolina$28.534% below
Idaho$28.484% below
Tennessee$28.464% below
Nebraska$28.444% below
Texas$28.275% below
Louisiana$28.215% below
South Dakota$27.946% below
North Carolina$27.647% below
New Mexico$26.889% below
Kentucky$26.6710% below
Oklahoma$26.6110% below
Mississippi$26.1412% below
Arkansas$25.1615% below
Alabama$24.2618% below
West Virginia$22.4125% below
StateMedian $/hrCost-of-living adjustedAdjusted rankJobs
Hawaii$38.50$35.00#3690
Washington$37.45$35.00#47,410
Alaska$36.34$35.49#2860
Maryland$35.96$34.25#53,030
California$35.55$32.11#1220,940
Massachusetts$35.23$33.30#64,870
New Jersey$34.78$31.97#148,160
New Hampshire$34.32$32.94#71,040
Colorado$33.89$32.87#94,600
New York$33.70$31.23#2513,230
Nevada$32.89$32.89#81,990
Connecticut$32.36$31.24#242,860

Diesel mechanic wages over time

Median, nominal, 1999-2025Median, nominalMedian in 2025 dollarsSOC 2010SOC 2018 / Method changeExact wages$10$15$20$25$30$35200020052010201520202025$29.70Median, nominal$29.70Median in 2025 dollars
Median hourly wage for bus and truck mechanics and diesel engine specialists, 1999–2025, nominal and adjusted to 2025 dollars with CPI-U. BLS cautions against strict time-series use of OEWS: methods changed in 2021 and wage recording in 2022.
Table
YearNominal $/hrIn 2025 $Jobs
1999$14.77$28.54273,320
2000$15.55$29.07258,800
2001$16.14$29.34254,420
2002$16.53$29.58254,470
2003$16.81$29.41248,450
2004$17.20$29.31251,430
2005$17.61$29.03248,280
2006$18.11$28.92254,850
2007$18.58$28.85250,370
2008$18.94$28.32248,620
2009$19.35$29.04232,810
2010$19.64$29.00222,770
2011$20.02$28.65222,940
2012$20.35$28.54230,030
2013$20.54$28.39238,150
2014$20.98$28.53243,080
2015$21.40$29.07251,750
2016$21.72$29.13254,280
2017$22.29$29.28260,380
2018$22.76$29.18264,860
2019$23.32$29.37266,330
2020$24.13$30.02253,010
2021$23.41$27.81261,420
2022$26.14$28.76271,720
2023$28.35$29.95285,030
2024$29.15$29.92287,230
2025$29.70$29.70289,960

Adjusted for inflation, the median diesel mechanic wage changed by +2.2% over the last ten years.

Highest-paying metros for diesel mechanics

MetroMedian $/hr90th pctJobs
San Jose-Sunnyvale-Santa Clara, CA$42.78$54.54720
Urban Honolulu, HI$40.89$47.98540
Seattle-Tacoma-Bellevue, WA$39.58$55.563,740
San Francisco-Oakland-Fremont, CA$39.47$50.741,730
Los Angeles-Long Beach-Anaheim, CA$37.20$46.046,520
Boston-Cambridge-Newton, MA-NH$36.43$49.933,110
New York-Newark-Jersey City, NY-NJ$36.43$45.3512,430
San Diego-Chula Vista-Carlsbad, CA$36.09$45.921,430
Baltimore-Columbia-Towson, MD$35.80$44.001,670
Minneapolis-St. Paul-Bloomington, MN-WI$35.45$45.254,290
Denver-Aurora-Centennial, CO$35.00$47.182,770
Savannah, GA$34.99$40.991,260
Sacramento-Roseville-Folsom, CA$34.93$45.391,190
Washington-Arlington-Alexandria, DC-VA-MD-WV$34.89$46.662,910
Portland-Vancouver-Hillsboro, OR-WA$34.61$43.612,330

Job outlook

+3.6%Projected job growth2025-35, BLS
24,400Openings per yeargrowth plus replacements
316,000Jobs in 2025BLS projections base

The BLS Employment Projections program expects bus and truck mechanics and diesel engine specialists employment to change by +3.6% over 2025-35, with about 24,400 openings a year from growth and people leaving the occupation. Typical entry education: High school diploma or equivalent.

Compare diesel mechanic pay with other trades

Questions this page answers

How much do diesel mechanics make?

The median diesel mechanic earned $29.70 an hour, or $61,770 a year, in May 2025 according to the BLS employer survey of 289,960 jobs. Half earn more and half earn less; the middle 50% earn between $24.30 and $36.29 an hour.

How much do diesel mechanics make an hour?

Hourly pay runs from about $21.41 at the 10th percentile to $42.66 at the 90th, with a median of $29.70. Overtime, per-diem and union fringe benefits are not included in these figures.

What does a starting or apprentice diesel mechanic make?

Entry-level pay sits near the bottom of the distribution: roughly $21.41 to $24.30 an hour ($44,530 to $50,540 a year). Registered apprentices usually start at a fixed percentage of the local journeyman rate and step up every six to twelve months.

Which state pays diesel mechanics the most?

Hawaii had the highest median at $38.50 an hour in May 2025, followed by Washington ($37.45) and Alaska ($36.34). Adjusted for cost of living the order changes; see the state table.

Are diesel mechanic wages going up?

In today's dollars the median diesel mechanic wage changed by +2.2% over the last ten years of data (CPI-adjusted). The nominal median rose from $21.40 to $29.70.

Is diesel mechanic a good career?

By the numbers: median pay of $61,770 a year, a 90th percentile of $88,740, projected growth of +3.6% and about 24,400 openings a year. Whether it fits you depends on the work itself; this site only reports the pay and demand data.

Sources and notes

  • BLS Occupational Employment and Wage Statistics, May 2025, SOC 49-3031 (Bus and truck mechanics and diesel engine specialists). Wages exclude overtime and benefits.
  • Inflation adjustment: BLS CPI-U annual averages, 2025 base.
  • Cost-of-living adjustment: BEA Regional Price Parities, all items, latest year.
  • Prevailing wage: SAM.gov Davis-Bacon wage determinations, current revisions. Not the official determination.
  • BLS Employment Projections, national. Public-domain data; Skilled Wages is not affiliated with BLS.