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NOC Code: NOC Code: 7312 Occupation: Heavy-duty equipment mechanics
Occupation Description: Occupation Description:
Heavy-duty equipment mechanics repair, troubleshoot, adjust, overhaul and maintain mobile heavy-duty equipment used in construction, transportation, forestry, mining, oil and gas, material handling, landscaping, land clearing, farming and similar activities. They are employed by companies which own and operate heavy equipment, and by heavy equipment dealers, rental and service establishments, and railway transport companies and urban transit systems.  Heavy-duty equipment mechanics repair, troubleshoot, adjust, overhaul and maintain mobile heavy-duty equipment used in construction, transportation, forestry, mining, oil and gas, material handling, landscaping, land clearing, farming and similar activities. They are employed by companies which own and operate heavy equipment, and by heavy equipment dealers, rental and service establishments, and railway transport companies and urban transit systems. 

  • Click on any of the Essential Skills to view sample workplace tasks for this occupation.
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Table will display the Skill Level for the Noc specified
Essential Skills Essential Skills Levels
Reading Reading 1 2 3 4
Writing Writing 1 2 3
Document Use Document Use 1 2 3 4
Digital Technology Digital Technology 1 2
Oral Communication Oral Communication 1 2 3
Money Math Money Math 1
Scheduling or Budgeting and Accounting Scheduling or Budgeting and Accounting 1 2 3
Measurement and Calculation Measurement and Calculation 1 2 3
Data Analysis Data Analysis 1 2 3
Numerical Estimation Numerical Estimation 1 2
Job Task Planning and Organizing Job Task Planning and Organizing 1 2
Decision Making Decision Making 1 2 3
Problem Solving Problem Solving 1 2
Finding Information Finding Information 1 2
Critical Thinking Critical Thinking 1 2 3

  • The skill levels represented in the above chart illustrate the full range of sample tasks performed by experienced workers and not individuals preparing for or entering this occupation for the first time.
  • Note that some occupational profiles do not include all Numeracy and Thinking Essential Skills.

If you would like to print a copy of the chart and sample tasks, click on the "Print Occupational Profile" button at the top of the page.

  • Read short instructions written on signs, labels and packaging, e.g. read information on product labels to learn how to mix materials, such as adhesives. (1)
  • Read short text entries on a variety of forms and technical drawings, e.g. read comments on work orders to determine the required repairs on machinery. (1)
  • Read reminders and short notes from co-workers, e.g. read notes from service managers to learn about equipment faults and upcoming meetings. (1)
  • Read memos and bulletins, e.g. read memos and bulletins from supervisors to learn about changes to operating procedures. (2)
  • Read installation instructions, e.g. read instructions to learn how to install components, such as hitches and winches. (2)
  • Read safety-related information, e.g. read Material Safety Data Sheets (MSDS) to learn how to safely handle hazardous materials, such as solvents. (2)
  • Read brochures and pamphlets, e.g. read brochures to learn about new products and equipment. (2)
  • Read manufacturers' notices, e.g. read technical service bulletins to learn about equipment recalls and procedures for handling repairs and warranty claims. (3)
  • Read instruction manuals for the use of computerized tools and equipment, e.g. read user guides to learn how to operate and maintain equipment, such as engine analyzers. (3)
  • Read a variety of paper-based and electronic repair manuals to learn how to troubleshoot, service and maintain heavy equipment, e.g. read manuals to learn how to troubleshoot electrical system faults and service transmissions. (3)
  • Read regulations, e.g. read regulations governing the inspection of heavy-duty equipment and the disposal of hazardous fluids. (4)
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  • Write text entries in forms and logbooks, e.g. write short comments on work orders to describe completed work and the outcomes of inspections. (1)
  • Write reminders and brief notes to co-workers, e.g. write brief notes to inform co-workers about the status of repair projects. (1)
  • Write email messages with detailed descriptions, e.g. provide customers with detailed descriptions of work required on equipment. (2)
  • Write short reports, e.g. write about events leading up to workplace accidents when completing reports for workers' compensation boards. (2)
  • Write longer reports, e.g. write detailed reports to explain work that will be reimbursed under manufacturer warranty programs. (3)
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Document Use
  • Observe hazard and safety icons, e.g. scan icons affixed to engine components to learn about scalding, pressure and electrical shock hazards. (1)
  • View meters and digital readouts to locate data, such as energy readings, speeds, pressures, settings and error codes. (1)
  • Complete a variety of forms, e.g. complete work orders and delivery inspection forms by entering details, such as dates, times, part numbers, quantities and costs. (2)
  • Locate data, such as specifications, classifications, material coefficients, quantities, identification numbers and costs, in complex tables. (3)
  • Interpret graphs generated by computerized equipment, e.g. scan graphs generated by scan tools to troubleshoot faults and establish the operating condition of vehicle components. (3)
  • Interpret complex technical drawings, e.g. scan assembly drawings to determine the position of parts within complex transmissions and schematics to determine hydraulic system capacities, flows and components. (4)
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Digital Technology
  • Use calculators and personal digital assistant (PDA) devices to complete numeracy-related tasks, such as calculating material requirements. (1)
  • Access articles to maintain current knowledge of industry trends and practices. (2)
  • Use the Internet to access training courses and seminars offered by apprenticeship trainers, suppliers, employers and sector councils. (2)
  • Visit manufacturers’ websites to access recent technical service bulletins, manuals, parts and component information, recall notices and specifications. (2)
  • Use scan tools and hand-held devices to access codes and other data from vehicle onboard sensors. (2)
  • Access specifications, technical drawings and training materials on CD-ROMS and DVDs. (2)
  • Use diagnostic equipment, such as scan tools and gas analyzers, to determine operational data, such as horsepower, torque, pressure readings and air-to-fuel ratios. (2)
  • Use blogs and discussion forums to share troubleshooting ideas and research other mechanics’ suggested methods for troubleshooting and repair. (2)
  • Use specialized industry databases to access job assignments, input information on new jobs, retrieve and review past service information and complete work orders. (2)
  • Use word processing programs to write letters to manufacturers and customers, which present the results of mechanical inspections. (2)
  • Use databases to retrieve repair information, vehicle service histories and technical drawings. (2)
  • Exchange email with customers, co-workers, colleagues at other locations and manufacturer support specialists. (2)
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Oral Communication
  • Speak with suppliers to learn about products, prices and delivery schedules. (1)
  • Talk to operators about equipment and machinery breakdowns, e.g. speak with heavy equipment operators to determine the probable cause of equipment faults. (2)
  • Participate in staff meetings, e.g. speak with co-workers during staff meetings about projects, safety concerns and changes to operating procedures. (2)
  • Exchange information with co-workers, e.g. speak with service managers about job assignments and to coordinate activities with other workers. (2)
  • Talk to customers to respond to questions and complaints, gather information about needed repairs, explain equipment maintenance procedures and discuss the results of inspections and repairs. (2)
  • Exchange technical repair and troubleshooting information with apprentices, co-workers, colleagues and manufacturers, e.g. explain complex repair procedures to apprentices and discuss unusual system faults with manufacturers' technical representatives. (3)
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Money Math
  • Collect money on an invoice. (1)
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Scheduling or Budgeting and Accounting
  • After receiving work orders and/or defining a problem and laying out a course of action, incorporate labour and travel time as part of own planning and organization. (3)
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Measurement and Calculation
  • Take a variety of measurements using basic tools, e.g. measure length of hoses and liquid volumes using tape measures and calibrated jugs. (1)
  • Calculate material requirements, e.g. calculate amounts of glycol and water needed for cooling systems using ratios and volume requirements. (2)
  • Take precise measurements using specialized tools, e.g. measure the dimensions of machine parts, such as brake components, to thousandths of an inch using micrometers. (3)
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Data Analysis
  • Compare measurements of energy, dimension, speed, horsepower, temperature and torque to specifications, e.g. compare the measurements of worn parts to original specifications to determine their usefulness. (1)
  • Calculate summary measures, e.g. calculate average fuel and oil consumption rates to track the operating condition of heavy equipment. (2)
  • Analyze pressure, power, torque, compression and electrical energy readings to assess equipment performance and troubleshoot faults, e.g. analyze series of energy readings produced by computerized engine analyzers to determine the cause of electrical faults. (3)
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Numerical Estimation
  • Estimate the amount of time required to complete repairs. (1)
  • Estimate the useful life remaining for parts, such as engines, tires, brakes and hoses. (2)
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Job Task Planning and Organizing
  • Heavy-duty equipment mechanics may prioritize jobs for efficiency, taking care of routine and smaller jobs first to allow more time for complex repairs. They may be assigned jobs based on their areas of expertise. Most mechanics work on one job at a time unless work is delayed until parts arrive or co-workers need assistance. There are unexpected occurrences, such as emergency jobs for customers who rely on their vehicles for work. (2)
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Decision Making
  • Decide the order of repair and maintenance jobs, e.g. give priority to small tasks that can be turned around quickly. (1)
  • Decide to replace worn parts when repairs are not feasible or economical. Consider the condition of parts and the replacement costs. (2)
  • Decide the most efficient course of action to complete particular jobs, e.g. decide upon the order of troubleshooting activities to efficiently diagnose faults. (3)
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Problem Solving
  • Vehicles cannot be repaired because specifications and instructions are unavailable. Consult service managers, co-workers, manufacturers, suppliers and colleagues for advice and research websites to locate useable information. (2)
  • Find that work is delayed due to equipment breakdowns and incorrect and unavailable parts. Inform service managers about delays and carry out other work until equipment repairs are completed and the needed parts and supplies arrive. (2)
  • Repair deadlines cannot be met due to heavy workloads and projects that take longer than anticipated to complete. Ask service managers to prioritize repairs, enlist the help of co-workers and work overtime to complete high priority work. (2)
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Finding Information
  • Locate information about the products you use by reading labels, product descriptions and Material Safety Data Sheets (MSDS) and by talking with co-workers and suppliers. (2)
  • Review displays on computerized scanning equipment, onboard vehicle sensors and hand-held diagnostic tools to gain operational information about vehicles. (2)
  • Locate information needed for repairs by referring to manuals and websites and by consulting with service managers, co-workers, manufacturers, suppliers and colleagues. (2)
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Critical Thinking
  • Judge the accuracy of readings taken using equipment, such as scan tools. Compare readings to other indicators of engine performance, such as vibrations and noises. (1)
  • Evaluate the performance of apprentices. Consider apprentices' abilities to diagnose and troubleshoot vehicle faults, locate information, such as specifications, and complete repairs effectively. (2)
  • Judge the condition of parts, e.g. inspect sprockets for signs of cracks, missing teeth and loose fit. Examine tires and belts for signs of cracks and exposed cords. (2)
  • Evaluate the quality of repairs. Consider the results of test drives and data from equipment, such as gas analyzers and dynamometers. (3)
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