AI exposure by occupation, O*NET 49-3042.00

Will AI replace Mobile Heavy Equipment Mechanics, Except Engines?

Mobile Heavy Equipment Mechanics, Except Engines: AI does not yet handle any of the role's 20 tasks; most of the work is hands-on, and the part AI can address mostly needs an efficient-tier model.

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Every task, scored

The 20 tasks O*NET 30.3 lists for Mobile Heavy Equipment Mechanics, Except Engines, from most to least exposed. None reaches 60, the level at which AI already handles a task.

Task AI exposure Evidence Model tier Importance
Repair, rewire, and troubleshoot electrical systems. 30 Estimated Efficient 4.2
Repair and replace damaged or worn parts. 20 Estimated Efficient 4.5
Test mechanical products and equipment after repair or assembly to ensure proper performance and compliance with manufacturers' specifications. 20 Estimated Efficient 4.4
Adjust, maintain, and repair or replace subassemblies, such as transmissions and crawler heads, using hand tools, jacks, and cranes. 20 Estimated Efficient 4.2
Research, order, and maintain parts inventory for services and repairs. 20 Estimated Standard 4.0
Fit bearings to adjust, repair, or overhaul mobile mechanical, hydraulic, and pneumatic equipment. 20 Estimated Efficient 4.0
Adjust and maintain industrial machinery, using control and regulating devices. 20 Estimated Efficient 3.7
Read and understand operating manuals, blueprints, and technical drawings. 15 Estimated No tier 4.3
Dismantle and reassemble heavy equipment using hoists and hand tools. 15 Estimated No tier 4.3
Overhaul and test machines or equipment to ensure operating efficiency. 15 Estimated No tier 4.2
Examine parts for damage or excessive wear, using micrometers and gauges. 15 Estimated No tier 4.0
Weld or solder broken parts and structural members, using electric or gas welders and soldering tools. 15 Estimated No tier 4.0
Schedule maintenance for industrial machines and equipment, and keep equipment service records. 15 Estimated No tier 4.0
Clean, lubricate, and perform other routine maintenance work on equipment and vehicles. 15 Estimated No tier 3.9
Assemble gear systems, and align frames and gears. 15 Estimated No tier 3.9
Clean parts by spraying them with grease solvent or immersing them in tanks of solvent. 15 Estimated No tier 3.8
Fabricate needed parts or items from sheet metal. 15 Estimated No tier 3.5
Direct workers who are assembling or disassembling equipment or cleaning parts. 15 Estimated No tier 3.4
Operate and inspect machines or heavy equipment to diagnose defects. 10 Estimated No tier 4.4
Diagnose faults or malfunctions to determine required repairs, using engine diagnostic equipment such as computerized test equipment and calibration devices. 10 Estimated No tier 4.2

Observed: scored from AI use recorded in the Anthropic Economic Index (June 2026 release), 0 of 20 tasks. Estimated: scored from the task's O*NET 30.3 work activity, 20 of 20. Importance is O*NET's 1 to 5 rating of how central the task is. Model tier is the lowest tier that can do the task under the published rubric; "No tier" marks hands-on work.

The model tier this role needs

An efficient-tier model or lower covers 31% of the role's importance-weighted task work. 36% of the work is something AI can address at some tier, and 64% is hands-on.

Efficient, standard and frontier tiers come from the JobRoute model tier reference. The recommended tier is the lowest one that covers 80% of the work AI can address. How the method works.

Wages, employment and outlook

US employment
176,600
Median annual wage
$65,510
Middle half of earners
$56,970 to $79,270
Projected change, 2024 to 2034
+5.8%

Employment and wages: BLS Occupational Employment and Wage Statistics, May 2025, national. Projection: BLS Employment Projections 2024 to 2034.

Adjacent roles

The occupations that reuse the most of this role's skills, with the usual time to move. These are the first places to look when you plan to redeploy or retrain people in this role.

Skill overlap and transition time from the JobRoute role adjacency graph on O*NET 30.3 skills.

Questions about Mobile Heavy Equipment Mechanics, Except Engines and AI

Will AI replace Mobile Heavy Equipment Mechanics, Except Engines?

Not on current evidence. None of the 20 tasks O*NET lists for this occupation reaches a task exposure of 60, the level at which JobRoute counts a task as handled by AI, and the role's importance-weighted exposure is 17 out of 100. JobRoute scores tasks, not whole jobs, so the score shows how much of the work changes rather than whether the job disappears.

What is the AI exposure of Mobile Heavy Equipment Mechanics, Except Engines?

17 out of 100 on JobRoute's task exposure measure, the importance-weighted average of the role's O*NET task scores. Higher means more of the work is AI-doable today. 0 of the 20 task scores are observed in the Anthropic Economic Index (June 2026 release), and the other 20 are estimated from each task's O*NET work activity.

Which Mobile Heavy Equipment Mechanics, Except Engines tasks can AI already do?

None reaches 60 yet. The most exposed task is: Repair, rewire, and troubleshoot electrical systems, at 30 out of 100.

What AI model tier does this role need?

An efficient-tier model or lower covers 31% of the role's importance-weighted task work, and 64% is hands-on work that no model tier covers. JobRoute assigns each task the lowest tier that can do it under a published rubric and recommends the lowest tier that covers 80% of the work AI can address.

How many people work as Mobile Heavy Equipment Mechanics, Except Engines, and what do they earn?

176,600 people in the United States, with a median annual wage of $65,510 (BLS Occupational Employment and Wage Statistics, May 2025). BLS Employment Projections expect a change of +5.8% from 2024 to 2034.

How to cite

Data version 2026-11-02, JobRoute method v1.0.0. Download all occupations or this occupation as JSON. Methodology.

JobRoute (2026). AI exposure: Mobile Heavy Equipment Mechanics, Except Engines. Data version 2026-11-02, method v1.0.0. Built on O*NET 30.3, BLS OEWS May 2025 and the Anthropic Economic Index (June 2026). CC BY 4.0. https://www.jobroute.ai/jobs/mobile-heavy-equipment-mechanics-except-engines

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