---
title: "Will AI Replace Diesel Mechanics? (2026)"
description: "BLS rates diesel mechanics' exposure to AI as low. What that means, which parts of the work AI touches, and the 2025–2035 outlook (+3.6% projected)."
canonical: "https://nuecareer.com/careers/will-ai-replace-diesel-mechanics"
last-updated: "2026-10-15T08:19:32.066Z"
---

# Will AI Replace Diesel Mechanics? (2026)

**Short answer:** Very unlikely. BLS rates diesel mechanics among the occupations least exposed to AI, and most of the work is the kind current AI tools cannot do.

The Bureau of Labor Statistics places diesel mechanics in its low AI exposure category, among the occupations least exposed to current AI. BLS projects employment to change by +3.6% over 2025–2035, against 3.5% for all occupations, with about 24,400 openings a year.

| Measure | Value | Source |
| --- | --- | --- |
| BLS relative AI exposure | Low | BLS Employment Projections, AI exposure categories |
| NueCareer AI-resilience score | 60/100 | NueCareer analysis of O\*NET 31.0 Database |
| Projected employment change | +3.6% | BLS EP 2025–2035 |
| Openings a year | 24,400 | BLS EP 2025–2035 |
| Median annual wage | $61,770 | BLS OEWS May 2025 |

## Exposure categories

| BLS category | Occupations |
| --- | --- |
| Low (this job) | 203 |
| Moderate | 194 |
| High | 190 |
| Very high | 199 |

Exposure means AI could be or has been used to assist with or complete some of the work. BLS says it does not imply job loss, productivity gains, automation probability or wage effects. Method: https://www.bls.gov/emp/publications/ai-exposure-categories.htm

## What holds up

- Repairing and maintaining mechanical equipment: 4.6/5 (O\*NET work activity importance)
- Face-to-face discussions: 4.7/5 (O\*NET work context)
- Performing general physical activities: 4.0/5 (O\*NET work activity importance)
- Hands-on work with tools and objects: 4.8/5 (O\*NET work context)

## What AI reaches first

- Repetitive motions: 4.1/5 (O\*NET work context)
- Documenting/recording information: 3.7/5 (O\*NET work activity importance)
- Getting information: 4.3/5 (O\*NET work activity importance)
- Processing information: 3.5/5 (O\*NET work activity importance)

## O\*NET tasks

- Use handtools, such as screwdrivers, pliers, wrenches, pressure gauges, or precision instruments, as well as power tools, such as pneumatic wrenches, lathes, welding equipment, or jacks and hoists.
- Perform routine maintenance such as changing oil, checking batteries, and lubricating equipment and machinery.
- Examine and adjust protective guards, loose bolts, and specified safety devices.
- Inspect brake systems, steering mechanisms, wheel bearings, and other important parts to ensure that they are in proper operating condition.
- Adjust and reline brakes, align wheels, tighten bolts and screws, and reassemble equipment.
- Raise trucks, buses, and heavy parts or equipment using hydraulic jacks or hoists.

## Related careers that are also low-exposure

- [Mobile Heavy Equipment Mechanic, Except Engines](https://nuecareer.com/careers/mobile-heavy-equipment-mechanic): BLS exposure Low, median $65,510; [Will AI replace mobile heavy equipment mechanics?](https://nuecareer.com/careers/will-ai-replace-mobile-heavy-equipment-mechanics)
- [Motorcycle Mechanic](https://nuecareer.com/careers/motorcycle-mechanic): BLS exposure Low, median $48,580
- [Motorboat Mechanic and Service Technician](https://nuecareer.com/careers/motorboat-mechanic-and-service-technician): BLS exposure Low, median $57,550
- [Rail Car Repairer](https://nuecareer.com/careers/rail-car-repairer): BLS exposure Low, median $67,530
- [Outdoor Power Equipment and Other Small Engine Mechanic](https://nuecareer.com/careers/outdoor-power-equipment-and-other-small-engine-mechanic): BLS exposure Low, median $47,880

## FAQ

**Will AI replace diesel mechanics?**

Very unlikely. BLS rates diesel mechanics among the occupations least exposed to AI, and most of the work is the kind current AI tools cannot do. BLS defines exposure as AI being able to assist with or complete some of the work, and says it does not imply job loss, productivity gains or wage effects. BLS projects employment to change by +3.6% over 2025–2035, against 3.5% for all occupations, with about 24,400 openings a year.

**How exposed are diesel mechanics to AI?**

BLS sorts 786 occupations into four relative categories: low, moderate, high and very high. Diesel Mechanics are in the low category, alongside 202 other occupations. The categories combine five public measures of where AI could be or already is used, and they compare occupations with each other rather than giving an absolute risk.

**What parts of a bus and truck mechanic and diesel engine specialist's job can AI do?**

In O\*NET's description of the work, the parts that overlap most with what AI handles well are repetitive motions, documenting/recording information and getting information. The parts that hold up best are repairing and maintaining mechanical equipment, face-to-face discussions and performing general physical activities. These come from O\*NET ratings of how important each activity is to the job, read through NueCareer's AI-resilience method.

**Is being a bus and truck mechanic and diesel engine specialist a safe career from AI?**

On NueCareer's AI-resilience score, built from O\*NET work activities, diesel mechanics score 60 out of 100, higher than 85% of the occupations we score. The job pays a median of $61,770 a year (BLS OEWS, May 2025). No job is fully safe from technological change, but the federal exposure category and the projected openings are the two numbers worth weighing.

**What careers similar to diesel mechanics are less exposed to AI?**

Mobile Heavy Equipment Mechanic, Except Engines (low exposure, $65,510 median), Motorcycle Mechanic (low exposure, $48,580 median), Motorboat Mechanic and Service Technician (low exposure, $57,550 median), Rail Car Repairer (low exposure, $67,530 median). Each is also in the low category, and most are listed by O\*NET as related to the work.

Full profile: https://nuecareer.com/careers/bus-and-truck-mechanic-and-diesel-engine-specialist.

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This bank includes information from the O\*NET 31.0 Database by the U.S. Department of Labor, Employment and Training Administration (USDOL/ETA). Used under the CC BY 4.0 license (https://creativecommons.org/licenses/by/4.0/). O\*NET® is a trademark of USDOL/ETA. NueCareer has transformed the data by joining it to BLS wage and projection data and deriving facet, personality-fit and AI-resilience scores. BLS and BEA data are public domain (17 U.S.C. §105).

O\*NET content is used under [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/). How these figures are sourced and derived: https://nuecareer.com/careers/methodology