The total number of diesel technicians employed in 2021 was 293,200, a 6.5% increase from 2020, according to the TechForce Foundation. But new entrant techs have less training than before.
The number of workers projected to leave the occupation as a diesel tech is outpacing new growth by more than a 5:1 ratio.
Graphic: TechForce Foundation
2 min to read
The combination of a higher number of technicians employed in diesel tech positions in 2021, together with a lower number of post-secondary graduates, means that the new entrant technicians to the workforce have less training, according to the TechForce Foundation’s 2022 report on the supply and demand of technicians.
Diesel Tech Employment
The total number of diesel technicians employed in 2021 was 293,200, a 6.5% increase from 2020 when the number of diesel technicians was at its lowest (275,400) since this report began tracking this data in 2016.
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After employment peaked in 2018, the number was on a downward slide until this 2021.
Graph: TechForce Foundation
After employment peaked in 2018 at 285,300, the number was on a downward slide until this 2021.
By definition, new entrant technicians are those entering the occupation for the first time, as opposed to experienced technicians who may be switching employers. These new entrant techs come not only from post-secondary training programs, but also from high school shop programs and “off-the-street,” with no training at all.
The number of workers projected to leave this occupation as a diesel tech is outpacing new growth by more than a 5:1 ratio. From 2022 to 2026, just under 28,000 new positions will be attributed to growth demand, as opposed to over 141,000 during this same period due to occupational separations.
Unfilled positions carried over from 2021 add another 7,650 positions to the total.
The BLS Replacement Rate for diesel technicians has remained steady at 9.1%, consistent with the rate in 2020.
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Graduate Levels of Diesel Techs
Diesel techs who completed post-secondary education had been on an upward trend until 2017, when they totaled 12,807. Beginning in 2018, however, they have been dropping each year. For 2021, the number of completions is now at 10,699.
“The area of most concern is the prolonged drop in the number of students completing post-secondary programs for technician roles,” according to the report. “These reductions are not short-term aberrations by any means.”
In the case of diesel techs, the downward trend began in 2018. Across the industry, we are looking at a 4-to-9-year downward trend, the report found.
Public, two-year schools and private, for-profit two-year schools graduate the highest number of students in the diesel sector.
Beginning in 2018, the number of diesel techs who completed post-secondary education has been dropping each year.
Chart: TechForce Foundation
Top Schools
In 2021, the top five largest providers of diesel techs who completed post-secondary education were:
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University of Northwestern Ohio: 285 students
WyoTech: 276 students
Universal Technical Institute of Arizona: 263 students
Texas State Technical College: 209 students
Maysville Community and Technical College: 185 students
Is the Diesel Technician Workforce Getting Too Old?
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There is a widely-held belief in the industry that transportation technicians are an older-than-average, aging workforce with a higher percentage of individuals retiring than other job roles in the workforce. Those beliefs have led to a concern that this has compounded the technician shortage issue.
In TechForce’s 2021 report, it was established that this is in fact not true. For 2022 there is no change in the data. When looking at the diesel fields, technicians are retiring at a lower rate than in the overall U.S. workforce.
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