TradeSalary

Diesel mechanic salary in Portland, ME

Updated September 27, 2026 with BLS data from May 2025

Diesel mechanics in the Portland–South Portland, ME area earn a median of $66,100 a year, or $31.78 an hour, according to May 2025 BLS data. The highest-paid 10% make over $83,140 a year. Statewide, diesel mechanics earn a median of $60,850; Portland is 9% above it.

Median yearly pay$66,100
Bottom 10% under$50,420Top 10% over$83,140
Entry-level starting pay (estimate)
$24.24/hr
Jobs in this area
590
After cost of living
$64,890
Median hourly pay
$31.78/hr
vs U.S. median
+7%
vs Maine median
+9%
Mean (average) pay
$68,060 a year · $32.72 an hour
Source: BLS Occupational Employment and Wage Statistics, May 2025 (area 38860, Portland-South Portland, ME). Excludes self-employed diesel mechanics. Cost of living: BEA Regional Price Parities, 2024. *Starting pay is estimated from the 10th percentile; BLS does not report pay by license level.

Pay by percentile

What diesel mechanics in Portland, ME 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.

PercentileHourlyYearly
10th percentile$24.24$50,420
25th percentile$28.94$60,200
Median (50th)$31.78$66,100
75th percentile$36.28$75,470
90th percentile$39.97$83,140

BLS Occupational Employment and Wage Statistics, May 2025. BLS yearly figures are the hourly wage times 2,080 hours.

How Portland, ME compares

  • Portland has the highest diesel mechanic median of the 3 Maine metro areas with published pay.
  • Diesel mechanics are more concentrated in the Portland area than nationally: 2.1 of every 1,000 jobs, 1.1 times the U.S. share.

Other Maine metro areas

Other trades in Portland, ME

Questions

Do diesel mechanics make more in Portland or Lewiston?
Portland pays more: the median is $66,100 in Portland and $60,680 in Lewiston, a 9% 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 38860 (Portland-South Portland, ME). 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 (101.9, where the U.S. average is 100). Page updated September 27, 2026. How we calculate these figures