Diesel mechanic salary in Montana
Updated September 27, 2026 with BLS data from May 2025
Diesel mechanics in Montana earn a median of $59,990 a year, or $28.84 an hour, according to May 2025 BLS data. The highest-paid 10% make over $77,700 a year. Nationally the median is $61,770, so Montana pays 3% less than the U.S. overall and ranks 32nd of 51.
- Entry-level starting pay (estimate)
- $21.58/hr
- Jobs in Montana
- 1,230
- After cost of living
- $63,380
- Median hourly pay
- $28.84/hr
- vs U.S. median
- −3%
- Rank among states
- 32nd of 51
- Mean (average) pay
- $60,940 a year · $29.30 an hour
Pay by percentile
What diesel mechanics in Montana 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.
| Percentile | Hourly | Yearly |
|---|---|---|
| 10th percentile | $21.58 | $44,880 |
| 25th percentile | $24.83 | $51,650 |
| Median (50th) | $28.84 | $59,990 |
| 75th percentile | $34.22 | $71,180 |
| 90th percentile | $37.35 | $77,700 |
BLS Occupational Employment and Wage Statistics, May 2025. BLS yearly figures are the hourly wage times 2,080 hours.
Pay over time
The median diesel mechanic wage in Montana rose 26.5%, from $47,410 in May 2021 to $59,990 in May 2025. Prices rose 19.4% over the same period, so after inflation it rose 6%.
| Year | Median a year | Median an hour |
|---|---|---|
| May 2021 | $47,410 | $22.79/hr |
| May 2022 | $49,910 | $23.99/hr |
| May 2023 | $53,210 | $25.58/hr |
| May 2024 | $57,060 | $27.43/hr |
| May 2025 | $59,990 | $28.84/hr |
BLS Occupational Employment and Wage Statistics, each May release; inflation from the BLS Consumer Price Index (CPI-U, May of each year). BLS cautions against reading much into year-to-year changes, so we compare the first and last years. How we compare years
How Montana compares
- Diesel mechanics are more concentrated in Montana than nationally: 2.4 of every 1,000 jobs, 1.3 times the U.S. share.
Pay by metro area
Rural Montana
- Southwest Montana$58,370
- West Montana$56,940
- East-Central Montana$52,040
Other trades in Montana
Bidding federal work? Davis-Bacon prevailing wage rates in Montana list what contractors must pay diesel mechanics on federal and federally assisted jobs, county by county.
Questions
- Where in Montana do diesel mechanics earn the most?
- Among Montana metro areas, Helena has the highest median at $64,110 a year, and Great Falls the lowest at $55,420.
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 30. 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 (94.6, where the U.S. average is 100). Page updated September 27, 2026. How we calculate these figures