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Davidson-Davie Community College · Courses

HET

9 courses with the subject HET, each shown exactly as we captured it from the college's catalog, with every element we hold. Where the wording looks broken, that is our reading of the catalog, not the college's text.

HET 110Diesel Engines6.00

This course introduces theory, design, terminology, and operating adjustments for diesel engines. Emphasis is laced on safety, theory of operation, inspection, measuring, and rebuilding diesel engines according to factory specifications. Upon completion, students should be able to measure, diagnose problems, and repair diesel engines. Semester Offered: Spring

Subject
HET
Credits (min)
6
Credits (max)
6
Credit unit
Credit Hours
Type
course
Edition
2026-2027 General Catalog
Catalog
2026-2027 General Catalog
Source
catalog.davidsondavie.edu
HET 114Power Trains5.00

This course introduces power transmission devices. Topics include function and operation of gears, chains, clutches, planetary gears, drive lines, differentials, and transmissions. Upon completion, students should be able to identify, research specifications, repair, and adjust power train components. Semester Offered: Fall

Subject
HET
Credits (min)
5
Credits (max)
5
Credit unit
Credit Hours
Type
course
Edition
2026-2027 General Catalog
Catalog
2026-2027 General Catalog
Source
catalog.davidsondavie.edu
HET 115Electronic Engines3.00

This course introduces the principles of electronically controlled diesel engines. Emphasis is placed on testing and adjusting diesel engines in accordance with manufacturer’s specifications. Upon completion, students should be able to diagnose, test, and calibrate electronically controlled diesel engines. Semester Offered: Fall

Subject
HET
Credits (min)
3
Credits (max)
3
Credit unit
Hours
Type
course
Edition
2026-2027 General Catalog
Catalog
2026-2027 General Catalog
Source
catalog.davidsondavie.edu
HET 125Preventive Maintenance2.00

This course introduces preventive maintenance practices used on medium and heavy duty vehicles and rolling assemblies. Topics include preventive maintenance schedules, services, DOT rules and regulations, and road ability. Upon completion, students should be able to set up and follow a preventive maintenance schedule as directed by manufacturers. Semester Offered: Spring

Subject
HET
Credits (min)
2
Credits (max)
2
Credit unit
Credit Hours
Type
course
Edition
2026-2027 General Catalog
Catalog
2026-2027 General Catalog
Source
catalog.davidsondavie.edu
HET 126Prevent Maintenance Lab1.00

This course provides a laboratory setting to enhance preventive maintenance practices used on medium and heavy duty vehicles and rolling assemblies. Emphasis is placed on practical experiences that enhance the topics presented in HET 125 . Upon completion, students should be able to apply the laboratory experiences to the concepts presented in HET 125 . Semester Offered: Spring

Subject
HET
Credits (min)
1
Credits (max)
1
Credit unit
Credit Hours
Type
course
Edition
2026-2027 General Catalog
Catalog
2026-2027 General Catalog
Source
catalog.davidsondavie.edu
HET 134Diesel Fuel and Power System4.00

This course introduces the principles of fuel injection and other power systems used in the heavy equipment industry including newer and cleaner technology. Emphasis is placed on test equipment, component functions, safety, and theories of older conventional and newer and cleaner Tier III and Tier IV fuel systems. Upon completion, students should be able to diagnose and service fuel systems and explain proper safety procedures on alternative fuel systems used in heavy equipment industry. Semester Offered: Spring

Subject
HET
Credits (min)
4
Credits (max)
4
Credit unit
Credit Hours
Type
course
Edition
2026-2027 General Catalog
Catalog
2026-2027 General Catalog
Source
catalog.davidsondavie.edu
HET 230Air Brakes2.00

This course introduces the operation and design of air braking systems used on trucks. Topics include safety, governors, compressors, and supporting systems. Upon completion, students should be able to diagnose, disassemble, inspect, repair, and reassemble air brake systems. Semester Offered: Spring

Subject
HET
Credits (min)
2
Credits (max)
2
Credit unit
Hours
Type
course
Edition
2026-2027 General Catalog
Catalog
2026-2027 General Catalog
Source
catalog.davidsondavie.edu
HET 231Medium/Heavy Duty Brake Systems2.00

This course covers the theory and repair of braking systems used in medium and heavy duty vehicles. Topics include air, hydraulic, and ABS system diagnosis and repair. Upon completion, students should be able to troubleshoot, adjust, and repair braking systems on medium and heavy duty vehicles. Semester Offered: Spring

Subject
HET
Credits (min)
2
Credits (max)
2
Credit unit
Credit Hours
Type
course
Edition
2026-2027 General Catalog
Catalog
2026-2027 General Catalog
Source
catalog.davidsondavie.edu
HET 233Suspension and Steering4.00

This course introduces the theory and principles of medium and heavy duty steering and suspension systems. Topics include wheel and tire problems, frame members, fifth wheel, bearings, and coupling systems. Upon completion, students should be able to troubleshoot, adjust, and repair suspension and steering components on medium and heavy duty vehicles. Semester Offered: Fall

Subject
HET
Credits (min)
4
Credits (max)
4
Credit unit
Hours
Type
course
Edition
2026-2027 General Catalog
Catalog
2026-2027 General Catalog
Source
catalog.davidsondavie.edu

Source: Davidson-Davie Community College's catalog, linked per course · table learning_unit · CourseShelf publish 61