Day in the life

A Day in the Life of an Engine Assembler

What engine assemblers actually do from the start of a shift to the end: the tasks, tools, schedule and realities of the job.

Updated By the Career Education Institute Curriculum Team
What is a typical day like for an engine assembler?

Review build sheets. From there, the day usually includes read blueprints, fit precision parts, and torque fasteners. Full time, often shifts.

Hour by hour: a typical shift

No two days are identical, but this timeline reflects a realistic day for an engine assembler working full time.

  1. Review build sheets.
  2. Install crankshaft bearings.
  3. Measure clearances.
  4. Install pistons.
  5. Torque cylinder heads.
  6. Run a test.
  7. Sign off.

Where engine assemblers work

Assemblers work in engine and equipment plants.

Hours and schedule

Full time, often shifts.

Tasks you’ll do most often

  • Read blueprints
  • Fit precision parts
  • Torque fasteners
  • Install bearings and gears
  • Measure clearances
  • Test engines
  • Inspect work

Tools you’ll use every day

  • Torque wrenches
  • Micrometers
  • Dial indicators
  • Hoists
  • Air tools
  • Test stands

The best and hardest parts of the job

What people like

  • Precision mechanical work
  • Good pay
  • No degree needed
  • Union jobs common

What’s hard

  • Steep decline
  • Repetitive
  • Heavy parts
  • Shift work

You’ll likely thrive if…

  • I like engines
  • I’m precise
  • I can follow specs
  • I like hands-on work
  • I can work shifts
  • I don’t need a degree

Not sure? Take the free Engine Assembler fit quiz or the Career Match Quiz.

Staying safe on the job

  • Use hoists for heavy parts
  • Wear PPE
  • Keep hands clear of rotating parts
  • Follow lockout/tagout
Enroll in trainingTake fit quiz