Diesel mechanic salary in Great Falls, MT
Updated September 27, 2026 with BLS data from May 2025
Diesel mechanics in the Great Falls, MT area earn a median of $55,420 a year, or $26.64 an hour, according to May 2025 BLS data. One in ten earns more than $75,100. Statewide, diesel mechanics earn a median of $59,990; Great Falls is 8% below it.
- Entry-level starting pay (estimate)
- $20.21/hr
- Jobs in this area
- 70
- After cost of living
- $57,230
- Median hourly pay
- $26.64/hr
- vs U.S. median
- −10%
- vs Montana median
- −8%
- Mean (average) pay
- $57,030 a year · $27.42 an hour
Pay by percentile
What diesel mechanics in Great Falls, MT 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 | $20.21 | $42,050 |
| 25th percentile | $22.60 | $47,000 |
| Median (50th) | $26.64 | $55,420 |
| 75th percentile | $32.89 | $68,420 |
| 90th percentile | $36.11 | $75,100 |
BLS Occupational Employment and Wage Statistics, May 2025. BLS yearly figures are the hourly wage times 2,080 hours.
How Great Falls, MT compares
- Great Falls has the lowest diesel mechanic median of the 5 Montana metro areas with published pay.
- Diesel mechanics hold about the same share of jobs in the Great Falls area as nationally: 1.8 of every 1,000 jobs.
Other Montana metro areas
Other trades in Great Falls, MT
Questions
- Do diesel mechanics make more in Great Falls or Helena?
- Helena pays more: the median is $55,420 in Great Falls and $64,110 in Helena, a 14% difference.
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 24500 (Great Falls, MT). 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 (96.8, where the U.S. average is 100). Page updated September 27, 2026. How we calculate these figures