Engine and other machine assemblers: Salary, Job Outlook, Education and Career Path

Construct, assemble, or rebuild machines, such as engines, turbines, and similar equipment used in such industries as construction, extraction, textiles, and paper manufacturing.

Short answer: Engine and other machine assemblers earn a national median annual wage of $53,710 (BLS, May 2025). Employment is projected to change -17.0% from 2025 to 2035 (all occupations: +3.5%), with about 2,100 openings per year. The typical entry credential is high school diploma or equivalent.

Median annual wage
$53,710
May 2025 Verified data
Projected change
-17.0%
2025 to 2035 Official projection
Openings per year
2,100
Average, 2025 to 2035 Official projection
Employment
34,000
OEWS, May 2025 Verified data

Engine and other machine assemblers salary

$0$25K$50K$75KUnited States$53,710
National annual wages for engine and other machine assemblers, May 2025: 10th percentile $38,500, 25th $45,230, median $53,710, 75th $74,920, 90th $77,750. The bar spans the 25th to 75th percentile, the thin line spans the 10th to 90th percentile, and the red mark is the median.
MeasureAnnualHourly
10th percentile$38,500$18.51
Median (50th percentile)$53,710$25.82
Mean (average)$57,790$27.78
90th percentile$77,750$37.38

These wages describe everyone employed in the occupation, from new entrants to experienced workers. They are not starting salaries and not earnings of graduates from any particular program. Verified data

Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025, National. May 2025 reference period. Published April 30, 2026. Retrieved October 18, 2026. Methodology.

Engine and other machine assemblers pay by state and metro area

$36.0K$74.8K
Median annual wage for engine and other machine assemblers by state, May 2025. Highest: Ohio at $74,750. States in gray have no published estimate.
Table: median wage and employment for all 36 states and territories
StateMedian10th pct90th pctEmploymentLocation quotient
AlabamaData unavailable2,5205.45
Arizona$54,100$37,260$74,760800.12
Arkansas$54,620$36,010$60,590700.26
California$46,810$36,080$73,9901,1700.29
Colorado$46,070$40,310$62,310
Connecticut$61,320$46,380$87,3601700.46
Florida$52,660$37,690$73,3208000.37
Georgia$38,540$37,010$65,0604100.38
Idaho$54,240$47,130$66,530700.36
Illinois$49,630$39,480$64,2606500.48
Iowa$46,040$42,910$62,450600.16
Kansas$42,590$38,950$65,440
Kentucky$41,580$38,410$48,3501,1802.7
Maryland$39,120$35,970$47,150900.14
Massachusetts$46,880$36,260$82,7005000.63
Michigan$60,950$36,750$77,7505,0305.22
Minnesota$58,820$39,520$76,9602700.41
Mississippi$46,610$33,790$72,3805802.28
Missouri$46,720$41,430$57,8701,0201.59
Nebraska$49,590$38,940$70,5201100.5
New Hampshire$70,150$59,330$80,5801601.05
New Jersey$50,910$44,200$79,7201400.15
New York$46,460$41,210$59,3601,3300.63
North Carolina$45,750$37,980$95,6602,7502.55
Ohio$74,750$45,200$79,4003,4302.83
Oklahoma$45,060$31,010$68,6201300.36
Oregon$63,420$50,740$86,8501100.26
Pennsylvania$52,000$39,120$64,090900.07
South Carolina$46,950$39,700$64,9201,9603.88
South Dakota$45,930$38,530$50,6805505.51
Tennessee$46,810$42,690$62,4504300.6
Texas$47,210$35,710$65,0504900.16
Utah$48,730$37,790$59,2401500.39
Virginia$36,030$32,750$62,5305700.64
Washington$72,800$38,650$107,7703700.47
Wisconsin$54,240$39,220$80,1708601.33

A location quotient above 1 means the occupation is more concentrated in that state than in the nation overall.

Metro areas with the most jobs

Detroit-Warren-Dearborn, MI3,330
Greenville-Anderson-Greer, SC1,020
Los Angeles-Long Beach-Anaheim, CA660
Chicago-Naperville-Elgin, IL-IN540
Grand Rapids-Wyoming-Kentwood, MI460
Virginia Beach-Chesapeake-Norfolk, VA-NC360
Boston-Cambridge-Newton, MA-NH310
Toledo, OH310
Milwaukee-Waukesha, WI250
Albany-Schenectady-Troy, NY230

Highest paying metro areas

Seattle-Tacoma-Bellevue, WA$102,530
Indianapolis-Carmel-Greenwood, IN$80,200
Toledo, OH$75,770
Minneapolis-St. Paul-Bloomington, MN-WI$65,410
Detroit-Warren-Dearborn, MI$64,820
Portland-Vancouver-Hillsboro, OR-WA$64,240
Albany-Schenectady-Troy, NY$58,550
Grand Rapids-Wyoming-Kentwood, MI$53,570
St. Louis, MO-IL$51,920
San Diego-Chula Vista-Carlsbad, CA$51,040
Among metro areas with at least 100 workers in this occupation.
Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025, State. May 2025 reference period. Published April 30, 2026. Retrieved October 18, 2026. Methodology.
Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025, Metropolitan areas. May 2025 reference period. Published April 30, 2026. Retrieved October 18, 2026. Methodology.

Job outlook for engine and other machine assemblers

2025 (actual)33,5002035 (projected)27,800
BLS projects employment of engine and other machine assemblers to go from 33,500 in 2025 to 27,800 in 2035, a change of -17.0% (-5,700 jobs). All occupations are projected to grow +3.5%.
  • Average annual openings, 2025 to 2035: 2,100. Openings include new jobs plus replacement needs when workers retire or leave the occupation. Official projection
  • Read the official BLS Occupational Outlook Handbook profile.

These are official BLS projections. ConnectPrep does not alter them or present its own forecasts as official statistics.

Source: U.S. Bureau of Labor Statistics, Employment Projections, Table 1.2: Occupational projections, 2025-35, and worker characteristics, 2025. Base year 2025, projected year 2035. Published August 27, 2026. Retrieved October 18, 2026. Methodology.

Education and training for engine and other machine assemblers

Typical entry education
High school diploma or equivalent
Related work experience
None
On-the-job training
Moderate-term on-the-job training
O*NET Job Zone
Job Zone 1-2: Very Little to Some Preparation Needed

Highest education of people working in this occupation

Less than high school9.1%
High school diploma36.6%
Some college, no degree37.3%
Associate's degree8%
Bachelor's degree6.8%
Master's degree1.2%
Doctoral or professional1%
Share of workers age 25 and over by highest education completed, 2023-24. The most common level is some college (37.3%).
Source: U.S. Bureau of Labor Statistics, Employment Projections, Education and training tables 5.1 to 5.4. Attainment 2023-24 (ACS); wages 2025; projections 2025-35. Published August 27, 2026. Retrieved October 18, 2026. Methodology.

O*NET describes this preparation level as: Usually requires a high school diploma or GED, though some occupations may not.

Degrees and programs that lead to this career

Programs officially mapped to this occupation in the NCES and BLS CIP to SOC crosswalk. A mapping means the program commonly prepares students for the occupation, not that every graduate works in it. Official crosswalk

Source: National Center for Education Statistics and U.S. Bureau of Labor Statistics, CIP 2020 to SOC 2018 Crosswalk. CIP 2020 and SOC 2018 taxonomies. Published April 30, 2020. Retrieved October 18, 2026. Methodology.

Skills, knowledge, and daily work

Most important skills

Reading Comprehension3.1
Active Listening3.0
Speaking3.0
Critical Thinking3.0
Monitoring3.0
Active Learning2.4
Writing2.3
Mathematics2.0
O*NET importance rating on a 1 to 5 scale.

Most important knowledge areas

Mechanical3.9
Production and Processing3.4
Customer and Personal Service3.2
Engineering and Technology3.0
Mathematics2.9
Public Safety and Security2.9
Administration and Management2.9
Design2.8
O*NET importance rating on a 1 to 5 scale.

Typical tasks

  • Read and interpret assembly blueprints or specifications manuals, and plan assembly or building operations.
  • Inspect, operate, and test completed products to verify functioning, machine capabilities, or conformance to customer specifications.
  • Position or align components for assembly, manually or using hoists.
  • Set and verify parts clearances.
  • Verify conformance of parts to stock lists or blueprints, using measuring instruments such as calipers, gauges, or micrometers.
  • Fasten or install piping, fixtures, or wiring and electrical components to form assemblies or subassemblies, using hand tools, rivet guns, or welding equipment.
  • Remove rough spots and smooth surfaces to fit, trim, or clean parts, using hand tools or power tools.
  • Lay out and drill, ream, tap, or cut parts for assembly.

Technology skills

  • Dassault Systemes SolidWorks (hot technology)
  • Microsoft Excel (hot technology)
  • Microsoft Office software (hot technology)
  • Microsoft Word (hot technology)
  • SAP software (hot technology)
  • Computer aided design and drafting CADD software

Transferable skills for career changers: Operations Monitoring, Quality Control Analysis, Social Perceptiveness, Complex Problem Solving, Operation and Control, Equipment Maintenance.

Common job titles: Assembler, Assembly Line Worker, Cell Technician, Engine Assembler, Engine Builder, Field Service Technician, Fitter, Large Engine Assembler, Machine Assembler, Mechanical Assembler.

This page 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. O*NET is a trademark of USDOL/ETA. ConnectPrep has modified all or some of this information. USDOL/ETA has not approved, endorsed, or tested these modifications.
Source: National Center for O*NET Development for USDOL/ETA, O*NET 31.0 Database (August 2026 release). Database release 31.0, August 2026; element dates vary by occupation. Published August 25, 2026. Retrieved October 18, 2026. Methodology.

Is it worth it? Model the cost of getting there

Use the ROI calculator to compare the cost of the education this career usually requires against staying on your current path. It starts from the official wage distribution above, and you can change every assumption.

Frequently asked questions

How much do engine and other machine assemblers make?

The national median annual wage for engine and other machine assemblers was $53,710 in May 2025, according to the BLS Occupational Employment and Wage Statistics program. The lowest paid 10 percent earned less than $38,500 and the highest paid 10 percent earned more than $77,750. These figures cover all workers in the occupation, not only new entrants.

What education do engine and other machine assemblers need?

BLS lists high school diploma or equivalent as the typical education needed to enter this occupation, with none of related work experience and moderate-term on-the-job training on-the-job training typically needed to become competent.

Is engine and other machine assemblers a growing career?

BLS projects employment of engine and other machine assemblers to change -17.0% from 2025 to 2035, compared with +3.5% for all occupations. About 2,100 openings are projected each year on average, including openings from workers who retire or change occupations.

Which states pay engine and other machine assemblers the most?

By median annual wage in May 2025, the highest paying states were Ohio ($74,750), Washington ($72,800), New Hampshire ($70,150). Pay differences partly reflect differences in living costs.

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