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Diesel & Heavy Equipment Technician Program Code 324121

2 Year Technical Diploma

Offered at the Sturgeon Bay campus. For information: (920) 746-4900. Toll-free: (888) 385-6982.

This program is fully eligible for financial aid.

Prepares students to service and repair diesel powered equipment. Instruction covers repair of engine, engine systems driveline, steering, brakes, hydraulic systems, and chassis components.

Employment Potential

Construction Equipment Technician: diagnoses, services, and repairs a variety of construction equipment such as track type tractors, wheel loaders, and back hoe loaders.

Engine Technician: diagnoses and repairs diesel engines.

Farm Equipment Technician: diagnoses, services, and repairs a variety of diesel-powered agricultural equipment.

Fuel Injection Technician: diagnoses, services, and repairs fuel injection systems.

Service Technician: performs preventive maintenance and regularly scheduled maintenance on equipment to keep it in service.

Truck Driver/Diesel Technician: owns or operates a small fleet and wants to perform his/her own regular and preventive maintenance.

With additional education and/or work experience, graduates may find other opportunities for employment.

. Diesel Equipment Mechanic Instructor
. Diesel Shop Owner
. Sales Representative
. Shop Supervisor
. Technical Service Representative
. Truck Fleet Operator


The NWTC Diesel and Heavy Equipment Technician program is ASE Certified to NATEF (National Automotive Technicians Education Foundation) Standards. Additionally, all instructional staff in the NWTC Diesel and Heavy Equipment Programs are, at a minimum, Master, ASE Certified Technicians
The NWTC Diesel and Heavy Equipment Technician program is an AED Foundation (Associated Equipment Dealers) Certified Program.

Study Abroad Opportunities

The International Studies staff continually seeks opportunities for students to travel abroad for educational experiences that may be offered in association with program courses. To find out more about which of your program courses may offer an opportunity during this academic year, contact your academic advisor.

Program Outcomes

. Apply hydraulic systems fundamentals.
. Manage chassis, steering, and suspension systems.
. Explain diesel engine systems.
. Explain diesel engine service fundamentals.
. Describe the mechanics of track drive systems.
. Perform required preventative maintenance.
. Use welding and machine tools.
. Maintain brake systems.
. Analyze electronic/electrical systems.
. Manage heating - AC systems.
. Interpret schematic drawings.
. Comprehend power train systems.
. Diagnose engine systems.
. Service vehicle systems.

Requirements for Program Entry

. Completed application.
. High school transcript or equivalent . ( For a list of equivalents, go to
. Students should have mastered basic math skills
. As a requirement for program entry, an Academic Skills Assessment (Compass) with appropriate benchmark scores is necessary. Program Benchmarks are Pre-Algebra: 27, Reading: 70; Writing Skills: 60. Students not meeting these benchmarks or the equivalent will be required to establish an individualized academic plan. Students may have the opportunity to enroll in selected program core courses while completing their individualized plan. Upon completion of the plan, students will be eligible for all program courses. However, higher test scores will lead to greater success in core program courses. To learn more about these assessments and program benchmark scores, please contact a counselor (920) 498-5444 or (888) 385-6982.


Students following the study plan below will complete the Diesel & Heavy Equipment Technician technical diploma in the number of semesters shown.


10-103-111 Micro: Windows/Computer Basics
10-412-100 Diesel Lab Operations Tech
10-412-108 Inte Combust Eng Tech-Intro to
10-412-111 Diesel Engine Service Fund
10-412-112 Diesel Electrical Systems 1 Tech
10-412-146 Power Generation 1
10-804-107 College Mathematics
* 10-890-101 College 101
32-442-352 Welding-Metal Working Proc

10-412-120 Diesel-Chassis/Susp/Steer Tech
10-412-121 Diesel-Brake Systems Technolog
10-412-122 Diesel Preventive Maint Techno
10-412-123 Diesel-Elect Systems Technolog
31-801-385 Communicating-Writing

10-412-124 Diesel-Electric Eng System Tec
10-412-134 Diesel Engine Systems Technolo
10-412-136 Diesel-Mobile Hydraulic Sys Te
10-412-137 Diesel-Schematic Interpret Tec
10-412-138 Diesel-Track Drive Systems Tec
10-412-142 Diesel Equip Service/Maint Tec
10-419-169 Hydraulics Technology
10-458-100 CDL License Training

10-412-140 Diesel Engine Troubleshoot Tec
10-412-141 Diesel-Power Trains Technology
10-412-145 Diesel-Refrig/AC Technology
10-809-197 Contemporary Amer Society
31-801-386 Communicating Effectively


Curriculum Note
*The credit for 10-890-101, College 101, is an institutional Requirement for graduation. Consequently, it is not part of the program credit requirements.


These courses provide an opportunity for students to develop the knowledge, skills, and understanding required for employment in this field.

10-412-100 DIESEL LAB OPERATIONS TECHNOLOGY ...diesel shop safety, basic equipment operation, rigging and lifting, hand and power precision tools, fasteners and hazard material handling procedures.

10-412-108 INTERNAL COMBUSTION ENGINE TECHNOLOGY - INTRO TO ...basic internal combustion (IC) engine types, IC engine classifications and applications, IC engine theory and operation, IC engine construction and careers in IC engine service and repair.

10-412-112 DIESEL ELECTRICAL SYSTEMS 1 TECHNOLOGY ...will cover but not be limited to: electronic components, electrical safety, storage batteries, charging and starting systems. Knowledge, skills and understanding required for employment in the diesel field.

10-412-120 DIESEL-CHASSIS/SUSP/STEER TECHNOLOGY ...vehicular steering systems, heavy-duty axles, suspension systems, wheels and tires, coupling systems. (Corequisite: 10-412-100, Diesel-Lab Operations Tech)

10-412-121 DIESEL-BRAKE SYSTEMS TECHNOLOGY ...braking systems, drum brake principles, disc brakes, foundation brake systems, air brakes, anti-lock systems. (Corequisite: 10-412-100, Diesel Lab Operations Tech)

10-412-122 DIESEL PREVENTIVE MAINT TECHNOLOGY terms, maintenance, inspection, lubricants, clutch, brakes, wheels and rims, steering, suspension, electrical, air system, and hydraulic system. (Corequisite: 10-412-100, Diesel Lab Operations Tech)

10-412-123 DIESEL-ELECT SYSTEMS TECHNOLOGY ...will cover but not be limited to: electronic components, electrical safety, storage batteries, charging and starting systems. Knowledge, skills and understanding required for employment in the diesel field. (Prerequisite: 10-412-112, Diesel Electrical Systems 1 Tech)

10-412-124 DIESEL-ELECTRIC ENG SYSTEM TECHNOLOGY ...engine, drive train, chassis, and cab computer systems software.

10-412-134 DIESEL ENGINE SYSTEMS TECHNOLOGY safety, fuel system components, governors, nozzles, American Bosch systems, Robert Bosch systems, Lucas systems, Stanadyne systems, Cummins systems, Detroit Diesel systems, Caterpiller systems, and testing methods. (Prerequisite: 10-412-111, Diesel Engine Ser Fund Tech)

10-412-136 DIESEL-MOBILE HYDRAULIC SYSTEM TECHNOLOGY hydraulics system components safety, principles of operation, diagnosis, and service.

10-412-137 DIESEL-SCHEMATIC INTERPRET TECHNOLOGY ...electronic/hydraulic schematics, applications of schematics, system similarities, components, review of systems operation, practical applications in diagnosing system problems, use of special test equipment/schematics to solve problems. (Prerequisite: 10-412-123, Diesel Electrical Systems Tech II)

10-412-138 DIESEL-TRACK DRIVE SYSTEMS TECHNOLOGY ...track shop safety, track drive component parts, system operation, inspection, system diagnoses, system repair, system service, and system maintenance. (Corequisite: 10-412-100, Diesel-Lab Operations)

10-412-140 DIESEL ENGINE TROUBLESHOOT TECHNOLOGY ...diesel engine troubleshooting steps, major check points when inspecting or operating a diesel engine, causes of poor engine performance and failure, perform engine diagnostic tests, dyno test an engine. (Prerequisite: 10-412-111, Diesel Engine Ser Fund Tech)

10-412-141 DIESEL-POWER TRAINS TECHNOLOGY, power train components, coupling systems, hydraulic retarders, mechanical transmissions, drive shafts, final drives, gear reduction boxes, planetary gear sets, chain-type final drive, belt drive systems.

10-412-142 DIESEL EQUIP SERVICE/MAINT TECHNOLOGY safety; service manuals; preventive maintenance forms; federal inspection policy; preventive maintenance for trucks, trailers, engine brakes/retarders, construction, and agricultural equipment; and electronic trouble shooting trees. (Corequisite: 10-412-100, Diesel Lab Operations Tech)

10-412-145 DIESEL-REFRIG/AC TECHNOLOGY; basics of air conditioning; refrigerants and oil; basic system and its functions; environmental safety practices; inspection, diagnosing, and using service tools. (Corequisite: 10-412-100, Diesel-Lab Operations Tech)

10-412-146 POWER GENERATION 1 ...this course is designed to familiarize diesel technician students with the basics of home standby and commercial generators. Electrical fundamentals, alternators, permanent magnet generators, circuit breakers, generator switchgear, auto transfer switches and automatic voltage regulators will be covered emphasizing home standby and commercial use generators.

10-419-169 HYDRAULICS TECHNOLOGY ...will cover the following but not be limited to hydraulics principles, system schematics and symbols, pumps, valves, cylinders, motors, accumulators, filters, reservoirs, hydraulic seals, fluids, maintenance, and safety rules.

10-458-100 CDL LICENSE TRAINING ...this course is designed to prepare students for the Wisconsin Class A Commercial Drivers License (CDL) pre-trip inspection, air brake and skills test. Preparation will also be given for taking the State DOT written test including general knowledge, air brakes and combination vehicles.

10-103-111 MICRO: WINDOWS/COMPUTER BASICS ...Windows desktop elements, help features, folder and file management (create, delete, move, find file), and Search strategies. Blackboard, internet, and e-mail usage. 1 cr.

10-412-111 DIESEL ENGINE SERVICE FUNDAMENTALS ...diesel engine service procedures; lubrication, cooling, fuel intake and exhaust systems, bearings, seals and basic diesel engine diagnosis. 4 cr.

10-804-107 COLLEGE MATHEMATICS introductory level course designed to review and develop fundamental concepts of arithmetic, algebra, geometry, and statistics. Emphasis will be placed on computational skills and applications of rational numbers; problem solving skills with ratios, proportions, and percent; basic principles and application of algebra, geometry, graphing, and statistics; measurement skills in U.S. Customary and Metric Systems; and the use of calculators as a tool. (Prerequisites: Compass Pre-Algebra=27 or ACT-Math score=15 or 10-834-109, Pre Algebra AND Compass Reading=70 or ACT-Reading=15 or 10-838-105, Intro to Reading & Study Skills with "C" or better OR equivalent) 3 cr.

10-890-101 COLLEGE 101 ...develops tools and strategies that support success in college. Focuses on study skills, college resources, goal setting, time management, and learning styles. Introduces concepts for self assessing learning and completing an Exit Assessment that provides evidence that learning took place. Students should take this course prior to or during the first semester of their programs. 1 cr.

32-442-352 WELDING-METAL WORKING PROCESSES ...welding and machine shop safety, blueprint reading, basic arc and oxyacetylene welding techniques, precision measuring tools, layout, use of hand tools, band saw, drillpress, lathe, milling machine. 2 cr.

31-801-385 COMMUNICATING-WRITING ...writing techniques, memos, letters, descriptions, instructions, and the job-seeking process. (Prerequisite: Compass Writing Skills=60 and Compass Reading=70 OR ACT-English=16 AND ACT Reading=15 OR 10-831-103, Intro to College Writing with a "C" or better OR 10-838-105, Intro to Reading & Study Skills with a "C" or better OR equivalent) 1 cr.

10-809-197 CONTEMPORARY AMER SOCIETY...the major social institutions within the American society: government, family, education, religion, and economic system. (Prerequisite: Compass Writing Skills=60 AND Compass Reading=70 OR ACT-English =16 AND ACT Reading =15 OR 10-838-105, Intro to Reading & Study Skills or 10-831-103, Intro to College Writing w/ a "C" or better OR equivalent) 3 cr.

31-801-386 COMMUNICATING EFFECTIVELY ...interpersonal communication, including the function of interpersonal communication, listening techniques, perception, non-verbal communication, language, self-concept, conflict resolution and customer service. (Prerequisite: Compass Writing Skills=60 and Compass Reading=70 OR ACT-English=16 AND ACT Reading=15 OR 10-831-103, Intro to College Writing with a "C" or better OR 10-838-105, Intro to Reading & Study Skills with a "C" or better OR equivalent) 1 cr.

student working on a truck