Engine and Other Machine Assemblers Salary, Job Outlook & Education | Career Matchup
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Engine and Other Machine Assemblers

51-2031

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

Median annual wage

$53,710

Source: U.S. Bureau of Labor Statistics · Occupational Employment and Wage Statistics
Release: May 2025 · Reference/year: 2025 · Occupation code: 51-2031

Projected change

-17%

Source: U.S. Bureau of Labor Statistics · Employment Projections
Release: 2025-2035 · Reference/year: 2025-2035 · Occupation code: 51-2031

Annual openings

2.1k

Source: U.S. Bureau of Labor Statistics · Employment Projections
Release: 2025-2035 · Reference/year: 2025-2035 · Occupation code: 51-2031

National employment

34,000

Source: U.S. Bureau of Labor Statistics · Occupational Employment and Wage Statistics
Release: May 2025 · Reference/year: 2025 · Occupation code: 51-2031

Read the data in context

Career Matchup does not declare an overall winner. National estimates can hide local variation, and O*NET relative values describe the named construct rather than whether a career is better.

01 · Compensation

Pay and employment

National estimates are shown with the reference year from the BLS source row. Missing source values stay visible as Not available.

Median annual wage

$53,710

Source: U.S. Bureau of Labor Statistics · Occupational Employment and Wage Statistics
Release: May 2025 · Reference/year: 2025 · Occupation code: 51-2031

Mean annual wage

$57,790

Source: U.S. Bureau of Labor Statistics · Occupational Employment and Wage Statistics
Release: May 2025 · Reference/year: 2025 · Occupation code: 51-2031

Hourly median wage

$25.82

Source: U.S. Bureau of Labor Statistics · Occupational Employment and Wage Statistics
Release: May 2025 · Reference/year: 2025 · Occupation code: 51-2031

Hourly mean wage

$27.78

Source: U.S. Bureau of Labor Statistics · Occupational Employment and Wage Statistics
Release: May 2025 · Reference/year: 2025 · Occupation code: 51-2031

10th percentile annual wage

$38,500

Source: U.S. Bureau of Labor Statistics · Occupational Employment and Wage Statistics
Release: May 2025 · Reference/year: 2025 · Occupation code: 51-2031

25th percentile annual wage

$45,230

Source: U.S. Bureau of Labor Statistics · Occupational Employment and Wage Statistics
Release: May 2025 · Reference/year: 2025 · Occupation code: 51-2031

75th percentile annual wage

$74,920

Source: U.S. Bureau of Labor Statistics · Occupational Employment and Wage Statistics
Release: May 2025 · Reference/year: 2025 · Occupation code: 51-2031

90th percentile annual wage

$77,750

Source: U.S. Bureau of Labor Statistics · Occupational Employment and Wage Statistics
Release: May 2025 · Reference/year: 2025 · Occupation code: 51-2031

National employment

34,000

Source: U.S. Bureau of Labor Statistics · Occupational Employment and Wage Statistics
Release: May 2025 · Reference/year: 2025 · Occupation code: 51-2031

02 · Outlook

Employment outlook

BLS projections describe the national occupation outlook across the published projection period.

Projected employment change

-17%

Source: U.S. Bureau of Labor Statistics · Employment Projections
Release: 2025-2035 · Reference/year: 2025-2035 · Occupation code: 51-2031

Average annual openings

2.1k

Source: U.S. Bureau of Labor Statistics · Employment Projections
Release: 2025-2035 · Reference/year: 2025-2035 · Occupation code: 51-2031

Projection period: 2025-2035

Annual openings are reported in thousands in the BLS source.

Source: U.S. Bureau of Labor Statistics · Employment Projections
Release: 2025-2035 · Reference/year: 2025-2035 · Occupation code: 51-2031

03 · Preparation

Education and training

These are the typical preparation categories reported for the occupation, not a guarantee of any individual employer's requirements.

Typical entry-level education

High school diploma or equivalent

Source: U.S. Bureau of Labor Statistics · Employment Projections
Release: 2025-2035 · Reference/year: 2025-2035 · Occupation code: 51-2031

Related work experience

Not available

Source: U.S. Bureau of Labor Statistics · Employment Projections
Release: 2025-2035 · Reference/year: 2025-2035 · Occupation code: 51-2031

On-the-job training

Moderate-term on-the-job training

Source: U.S. Bureau of Labor Statistics · Employment Projections
Release: 2025-2035 · Reference/year: 2025-2035 · Occupation code: 51-2031

04 · Work context

What the work is like

O*NET context measures use their source scale identifier and a documented relative bar. A higher bar means more of the named construct, not a universal improvement.

Contact with others

4.2 raw · CX scale
79% relative

Relative scale: 79% · raw 4.15 · CX

Source: O*NET Resource Center · O*NET Database
Release: 31.0 · Reference/year: August 2026 · Occupation code: 51-2031.00

Time pressure

4.3 raw · CX scale
83% relative

Relative scale: 83% · raw 4.31 · CX

Source: O*NET Resource Center · O*NET Database
Release: 31.0 · Reference/year: August 2026 · Occupation code: 51-2031.00

Spend time standing

4.2 raw · CX scale
81% relative

Relative scale: 81% · raw 4.23 · CX

Source: O*NET Resource Center · O*NET Database
Release: 31.0 · Reference/year: August 2026 · Occupation code: 51-2031.00

Exposed to contaminants

4.1 raw · CX scale
77% relative

Relative scale: 77% · raw 4.1 · CX

Source: O*NET Resource Center · O*NET Database
Release: 31.0 · Reference/year: August 2026 · Occupation code: 51-2031.00

Exposed to disease or infections

1 raw · CX scale
0% relative

Relative scale: 0% · raw 1.01 · CX

Source: O*NET Resource Center · O*NET Database
Release: 31.0 · Reference/year: August 2026 · Occupation code: 51-2031.00

Exposed to hazardous equipment

3.9 raw · CX scale
72% relative

Relative scale: 72% · raw 3.86 · CX

Source: O*NET Resource Center · O*NET Database
Release: 31.0 · Reference/year: August 2026 · Occupation code: 51-2031.00

05 · Fit signals

Skills and work styles

These measurements describe skills and work-style characteristics associated with the occupation in O*NET.

Reading comprehension

3.1 raw · LV scale
45% relative

Relative scale: 45% · raw 3.12 · LV

Source: O*NET Resource Center · O*NET Database
Release: 31.0 · Reference/year: August 2026 · Occupation code: 51-2031.00

Active listening

3 raw · LV scale
43% relative

Relative scale: 43% · raw 3 · LV

Source: O*NET Resource Center · O*NET Database
Release: 31.0 · Reference/year: August 2026 · Occupation code: 51-2031.00

Critical thinking

3 raw · LV scale
43% relative

Relative scale: 43% · raw 3 · LV

Source: O*NET Resource Center · O*NET Database
Release: 31.0 · Reference/year: August 2026 · Occupation code: 51-2031.00

Monitoring

3 raw · LV scale
43% relative

Relative scale: 43% · raw 3 · LV

Source: O*NET Resource Center · O*NET Database
Release: 31.0 · Reference/year: August 2026 · Occupation code: 51-2031.00

Speaking

2.9 raw · LV scale
41% relative

Relative scale: 41% · raw 2.88 · LV

Source: O*NET Resource Center · O*NET Database
Release: 31.0 · Reference/year: August 2026 · Occupation code: 51-2031.00

Active learning

2.3 raw · LV scale
32% relative

Relative scale: 32% · raw 2.25 · LV

Source: O*NET Resource Center · O*NET Database
Release: 31.0 · Reference/year: August 2026 · Occupation code: 51-2031.00

Writing

2.3 raw · LV scale
32% relative

Relative scale: 32% · raw 2.25 · LV

Source: O*NET Resource Center · O*NET Database
Release: 31.0 · Reference/year: August 2026 · Occupation code: 51-2031.00

Learning strategies

2 raw · LV scale
29% relative

Relative scale: 29% · raw 2 · LV

Source: O*NET Resource Center · O*NET Database
Release: 31.0 · Reference/year: August 2026 · Occupation code: 51-2031.00

Dependability

2.3 raw · WI scale
88% relative

Relative scale: 88% · raw 2.25 · WI

Source: O*NET Resource Center · O*NET Database
Release: 31.0 · Reference/year: August 2026 · Occupation code: 51-2031.00

Attention to detail

2.5 raw · WI scale
92% relative

Relative scale: 92% · raw 2.5 · WI

Source: O*NET Resource Center · O*NET Database
Release: 31.0 · Reference/year: August 2026 · Occupation code: 51-2031.00

Stress tolerance

1 raw · WI scale
67% relative

Relative scale: 67% · raw 1.04 · WI

Source: O*NET Resource Center · O*NET Database
Release: 31.0 · Reference/year: August 2026 · Occupation code: 51-2031.00

Cooperation

0.7 raw · WI scale
61% relative

Relative scale: 61% · raw 0.68 · WI

Source: O*NET Resource Center · O*NET Database
Release: 31.0 · Reference/year: August 2026 · Occupation code: 51-2031.00

06 · Evidence

Sources and limitations

Every displayed value retains the dataset release, reference period, and occupation code used to publish it.

Occupational Employment and Wage Statistics

Source-backed

U.S. Bureau of Labor Statistics

Release May 2025 · Reference 2025

Occupation code 51-2031 · SHA-256 b5855a37f3e03e779f6fbf173d3bbc94aeeff33426aef32fa95ce6d025bab1af

Employment Projections

Source-backed

U.S. Bureau of Labor Statistics

Release 2025-2035 · Reference 2025-2035

Occupation code 51-2031 · SHA-256 a7d060f0576f7d4f5b829b9a0bb4a6c11a12766d159ebb0e07aab5bd2e7583c5

O*NET Database

Source-backed

O*NET Resource Center

Release 31.0 · Reference August 2026

Occupation code 51-2031.00 · SHA-256 c63ad00a8e45f3d3ef8e1529fcf8864d2279f2dfcb98737436818f5664781b04

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Engine and Other Machine Assemblers vs Coil Winders, Tapers, and Finishers

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Coil Winders, Tapers, and Finishers

51-2021

Wind wire coils used in electrical components, such as resistors and transformers, and in electrical equipment and instruments, such as field cores, bobbins, armature cores, electrical motors, generators, and control equipment.

Median pay

$48,220

Source: Occupational Employment and Wage Statistics
Release: May 2025 · Reference/year: 2025 · Occupation code: 51-2021

Growth

-4%

Source: Employment Projections
Release: 2025-2035 · Reference/year: 2025-2035 · Occupation code: 51-2021

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Timing Device Assemblers and Adjusters

51-2061

Perform precision assembling or adjusting, within narrow tolerances, of timing devices such as digital clocks or timing devices with electrical or electronic components.

Median pay

$62,620

Source: Occupational Employment and Wage Statistics
Release: May 2025 · Reference/year: 2025 · Occupation code: 51-2061

Growth

-6.1%

Source: Employment Projections
Release: 2025-2035 · Reference/year: 2025-2035 · Occupation code: 51-2061

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Fiberglass Laminators and Fabricators

51-2051

Laminate layers of fiberglass on molds to form boat decks and hulls, bodies for golf carts, automobiles, or other products.

Median pay

$46,880

Source: Occupational Employment and Wage Statistics
Release: May 2025 · Reference/year: 2025 · Occupation code: 51-2051

Growth

4.6%

Source: Employment Projections
Release: 2025-2035 · Reference/year: 2025-2035 · Occupation code: 51-2051

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Structural Metal Fabricators and Fitters

51-2041

Fabricate, position, align, and fit parts of structural metal products.

Median pay

$51,330

Source: Occupational Employment and Wage Statistics
Release: May 2025 · Reference/year: 2025 · Occupation code: 51-2041

Growth

-6.2%

Source: Employment Projections
Release: 2025-2035 · Reference/year: 2025-2035 · Occupation code: 51-2041

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Data sourcesData availabilityAboutFree guideContactPrivacyTermsData: U.S. Bureau of Labor Statistics and O*NET® Database.