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This comprehensive four-level Millwright curriculum prepares learners for a career as skilled professionals in the field. The curriculum places strong emphasis on safe work practices during installation, alignment, troubleshooting and maintenance of machinery and equipment. Coverage of math, drawings, specifications and measures are integrated throughout to ensure learners are prepared as safe and productive millwrights.

The four-level Millwright curriculum complies with the U.S. Department of Labor’s standards for apprenticeship programs.

To learn more about NCCER’s Millwright curriculum, download the flyer.

Available Now: Millwright 4th Edition NCCERconnect

Complementing the Millwright curriculum updates completed earlier this year, this online coursework offers digital tools and expanded resources to enhance the training experience. Interactive learning elements throughout all four levels, such as instructional videos and self-guided walk-throughs, improve trainee engagement and knowledge retention. To learn more about Millwright courses on NCCERconnect, click the Get Started button.

Craft Snapshot

Journey Level
Assessment Available
2021, 4th Edition
NCCERconnect Deliver instruction using our pre-loaded content and course management tools, streamline training, and track results through the online gradebook. Students learn using the interactive eTextbook and Media Library with Active Figures that bring the material to life, anytime and anywhere they choose.

Curriculum Details



Total Recommended Hours
Competencies & Objectives Lists
4th Edition:

  • Levels 1-4: 672.5, includes Core hours
  • Levels 1-4: 795, includes Core hours and electives
Introduction to the Millwright Craft
5 Hours

Module ID 15101: Presents the history of the trade and discusses career paths for millwrights. Describes environments and types of work associated with the millwright trade.

Millwright Hand Tools
17.5 Hours

Module ID 15102: Introduces hand tools used by millwrights. Explains hand tool safety and covers the methods for selecting, inspecting, using, and maintaining these tools.

Fasteners and Anchors
12.5 Hours

Module ID 15103: Identifies fasteners and anchors used by millwrights, including their applications and installation procedures.

Basic Layout
20 Hours

Module ID 15104: Discusses the tools used in layout. Explains how to lay out baselines using the arc method and 3-4-5 method.

Reading Mechanical Drawings
20 Hours

Module ID 15203: Explains orthographic projection, isometric, and schematic drawings used to show piping, hydraulic, and pneumatic systems.

Field Sketching
10 Hours

Module ID 15202 (Elective): Teaches the basic skills needed to make a good field sketch to convey information about how parts should be made or assembled.

Craft-Related Mathematics
20 Hours

Module ID 15201: This module introduces the use of equivalents and conversion tables, figure ratios, and proportions. Explains basic use of trigonometry in calculating takeouts, volumes, and weights of objects, and performing right-angle trigonometry.

Precision Measuring Tools
20 Hours

Module ID 15302: Explains how to select, inspect, use, and care for measuring tools of the millwright craft. Now includes tools such as keyseat rules, telescoping gauges, ultrasonic thickness detector and hardness tester.

Millwright Power Tools
22.5 Hours

Module ID 15205: Introduces power tools used by millwrights and procedures for using, caring for, and maintaining these tools.

Setting Baseplates and Soleplates
20 Hours

Module ID 15207: Describes how to set a machine baseplate and soleplate while guaranteeing alignment with other equipment.

Rigging Practices
15 Hours

Module ID 38102: Describes basic rigging and safety practices related to rigging activities. Teaches use and inspection of equipment and hardware used in rigging. Explains how to apply common hitches.

Oxyfuel Cutting
17.5 Hours

Module ID 29102: Explains the safety requirements for oxyfuel cutting. Identifies oxyfuel cutting equipment and provides instructions for setting up, lighting, and using the equipment.

Gaskets and Packing
15 Hours

Module ID 15107: Describes gaskets and packing and their applications, while also providing instructions for laying out, cutting, and installing gaskets.

O-Rings and Non-Mechanical Seals
7.5 Hours

Module ID 15304: Enhanced coverage of dynamic and static seals, including their applications, tools used, installation procedures, and removal. Also covers lip,cup, oil, and labyrinth seals.

Introduction to Bearings
15 Hours

Module ID 15209: Describes the types and applications of bearings, including plain, roller, ball, thrust, and guide bearings, as well as pillow block, flanged, and takeup bearings. Also explains bearing designation systems.

Removing and Installing Bearings
22.5 Hours

Module ID 15306: Explains how to remove, troubleshoot, and install tapered, thrust, spherical roller, pillow block, and angular contact ball bearings.

Plasma Arc Cutting
7.5 Hours

Module ID 29103 (Elective): Introduces plasma arc cutting equipment and safe work area preparation. Identifies correct amperage, gas pressures, and flow rates. Covers plasma-arc cutting methods for piercing, slotting, squaring, and beveling metals. Explains how to store equipment and clean the work area.

Craft-Related Algebra and Trigonometry
30 Hours

Module ID 15301 (Elective): Explains right-triangle trigonometry and its use in the trade. Also covers interpolation, equilateral and isosceles triangles, and the laws of acute triangles.

Basic Pneumatic Systems
7.5 Hours

Module ID 15407: Explains pneumatic system components and compressed-air treatment. Introduces equipment auxiliary and special-application equipment used with compressors and with tools.

Compressors and Compressor Maintenance
20 Hours

Module ID 15406: Introduces compressors and the troubleshooting and maintenance procedures associated with compressors.

15 Hours

Module ID 15208: Explains how to safely select and use lubricants. Describes types of lubricants and lubrication devices.

Introduction to Pumps
20 Hours

Module ID 15404: Describes common pumps and their principles of operation. Explains centrifugal, rotary, reciprocating and metering pumps. Describes net positive suction head and cavitation.

Troubleshooting and Repairing Pumps
17.5 Hours

Module ID 15405: Describes inspecting, troubleshooting, assembling, and disassembling pumps. Explains installing pumps, and preparing them for startup. Discusses shutdown, repair, and removal of pumps from the system.

Mechanical Seals
15 Hours

Module ID 15305: Covers the function and advantages of mechanical seals, identifies parts and types of seals, and includes procedures for removing, inspecting, and installing mechanical seals.

Couplings and Alignment Fundamentals
15 Hours

Module ID 15307: Identifies types of couplings and covers installation procedures using the press-fit method and the interference-fit method. Also covers coupling removal procedures.

Prealignment and Shim Fabrication
20 Hours

Module ID 15313: Covers procedures for fabricating shims. Explains how to level equipment using jack bolts, wedges and shims. Guides the checking for soft foot and other coupling stresses addressed during rough alignment.

Dial Indicator Alignment
45 Hours

Module ID 15314: Explains the procedures involved in aligning shafts, first with a straightedge and feeler gauges, then with dial indicators. Describes preparation for dial indicator reverse alignment, and explains the procedures for setting up reverse alignment jigs. Explains graphic and mathematical techniques for aligning equipment, based on reverse dial indicator measurements.

Troubleshooting and Repairing Pneumatic Equipment
10 Hours

Module ID 15408: Explains repair and maintenance of pneumatic system components. Describes troubleshooting processes and methods, including pressure sensors and flow sensors.

Advanced Mechanical Drawings
17.5 Hours

Module ID 15503: Describes the use of drawing sets to obtain information about a system. Explains the process of identifying a part of a machine for repair or replacement from a set of drawings.

Vibration Analysis
10 Hours

Module ID 15509: Explains the causes of vibration and the procedures and types of equipment used in vibration analysis. Describes the equipment used for vibration testing and monitoring. Describes field machine balancing.

Basic Hydraulic Systems
15 Hours

Module ID 15409: Describes principles and types of hydraulic equipment and related safety procedures. Describes applications of hydraulic equipment.

Troubleshooting and Repairing Hydraulic Equipment
12.5 Hours

Module ID 15410: Explains inspecting hydraulic systems, diagnosing problems, and repairing these systems. Shows how to read hydraulic schematic symbols.

Maintaining and Repairing Turbine Components
12.5 Hours

Module ID 15506: (Elective) Describes the process of inspecting and repairing key components of turbines. Explains the guidelines for maintaining large steam turbines.

Installing Belt and Chain Drives
15 Hours

Module ID 15311: Covers the sizes, uses, and installation procedures of six types of drive belts and two types of chain drives.

Introduction to Conveyors
10 Hours

Module ID 15401: Describes conveyor systems and their principles of operation. Introduces several approaches to belt conveyor drive options. Introduces drum motors and servomotors for belt and roller conveyor systems.

Troubleshooting and Repairing Conveyors
12.5 Hours

Module ID 15402: Describes maintaining and repairing belt, roller, chain, screw, and pneumatic conveyors. Covers conveyor belt tracking problems and correction methods.

Laser Alignment
25 Hours

Module ID 15502: Describes the operation of laser alignment instruments. Covers step-by-step vertical and horizontal alignment.

Optical Layout and Alignment
15 Hours

Module ID 15504: Explains how to use theodolites, optical levels, auto levels, and total stations to place and align equipment.

Crane Safety and Emergency Procedures
25 Hours

Module ID 21106: (Elective) Describes the communication process between the signal person and the crane operator. Covers electronic communications as well as the standard hand signals in 29 CFR 1926.

15 Hours

Module ID 15412: Describes types and operation of gearboxes, and gearbox diagnostics. Covers power transmission principles.

Troubleshooting and Repairing Gearboxes
15 Hours

Module ID 15411: Explains how to troubleshoot, remove, and disassemble gearboxes; how to identify gear wear patterns; and how to install and maintain gearboxes.

15 Hours

Module ID 15505: Describes types of turbines and their components. Describes the operation and common applications of particular types, including gas, steam, and water turbines.

Preventive and Predictive Maintenance
10 Hours

Module 15508: Explains preventive and predictive maintenance programs. Provides information on nondestructive testing, and introduces the basic techniques for nondestructive evaluation. Discusses lubricant analysis, and acoustic, infrared, and vibration testing.

Crane Communications
10 Hours

Module ID 53101: (Elective) Covers safety standards and best safety practices relevant to the operation of cranes. Describes safety considerations related to power lines, weather conditions, and specific crane functions.


Optimize your classroom time, while accelerating knowledge for learners. NCCERconnect works to provide learners with always-available access to online training materials, including videos, interactives, a rich eText, practice quizzes and other engaging content.

  • Mobile access to the eText also allows for learning on-the-go.
  • Instructors can get started quickly with pre-built assignments, use the robust course tools for class management, and track student participation and results through the online gradebook.
  • Designed to help learner engagement in any classroom, whether a blended, virtual or traditional classroom environment.

Instructor Resources

Instructor Toolbox

NCCER’s Instructor Toolbox provides easy access to important instructional resources for your training program. You’ll find downloadable course planning tools, examples of classroom activities and projects, and instructor tips and best practices to help you enhance your program.


NCCER’s assessments evaluate the knowledge of an individual in a specific craft area and provide a prescription for upgrade training when needed. All assessments are based upon the NCCER Curriculum and have been developed in conjunction with subject matter experts from the industry. Click the assessment title below to open its specifications.

Industrial Millwright