Diesel Mechanics Technology (DMT)
Contact the Trade and Industry Department for further information, (760) 744-1150, ext. 2545
Associate in Science degree requirements, Certificate of Achievement requirements, and Certificate of Proficiency requirements are listed in Section 6 (green pages) of the catalog.
Program of Study
Diesel Technology
A.S. Degree Major or Certificate of Achievement Program Requirements & Units.
Program Requirements
DMT 100 — Used to be – DMT 50 – Introduction to Diesel Mechanics – 4 units
DMT 105 — Used to be – DMT 55 – Heavy-Duty Diesel Tune-Up/Analysis – 4 units
DMT 110 — Used to be – DMT 54 – Heavy-Duty Electricity – 4 units
DMT 120 — Used to be – DMT 65 – Air Brake Systems – 4 units
DMT 125 — Used to be – DMT 66 – Truck Transmission and Drive Lines – 4 units
DMT 200 — Used to be – DMT 61 – Diesel Engine Rebuilding I – 4 units
DMT 201 — Used to be – DMT 62 – Diesel Engine Rebuilding II – 4 units
Electives (Select 4 Units)
Courses listed at 100 level or above are transferable to a UC.
Student Services
Academic advisement, career guidance, and personal counseling related to academic success are provided in the Counseling Center. Careful course selection is key to a successful college experience.
Consult with a counselor each semester as requirements are subject to change.
Course Offerings
Courses numbered under 100 are not intended for transfer credit.
The Diesel Technology A.S. Degree Major or Certificate of Achievement is listed in Diesel Mechanics Technology.
DMT 100 Introduction to Diesel Mechanics (4)
3 hours lecture/3 hours laboratory
Theory and practice of fundamental skills for the maintenance and operation of basic diesel engines.
Topics for study include: basic theory of operation; engine applications; engine lubricating and cooling; intake, exhaust and fuel systems; and electronic control.
DMT 105 Heavy-Duty Diesel Tune Up and Engine Analysis (4)
3 hours lecture/3 hours laboratory
Prerequisite: DMT 100
The use of software and diagnostic equipment in performing diesel tune-up.
Topics for study include: theory of operation, tune-up procedures, fuel system function and repair, diagnostic equipment usage, electronic engine controls, mechanical and electronic engine system troubleshooting.
DMT 110 Heavy-Duty Electricity (4)
3 hours lecture/3 hours labratory
Heavy-duty electricity systems principles and service.
Topics of study include: electrical theory, batteries, wiring diagrams, 12V and 24V starters, alternators and electrical troubleshooting, and test equipment.
DMT 115 Alternative Fuels (4)
3 hours lecture/3 hours laboratory
Recommended Preparation: DMT 100
Theory and servicing of alternative fueled engines.
Topics for study include: various types of fuels, fuel handling and safety procedures, basic principles, regulators and mixers, all system components operation and service, electronic control systems, and emission testing.
DMT 120 Air Brake Systems (4)
3 hours lecture/3 hours laboratory
The service and repair of heavy duty hydraulic and air brake systems and their components.
Topics of study include: brake troubleshooting, complete system repair, anti skid brake system, and related axle services.
DMT 125 Truck Transmission and Drive Lines (4)
3 hours lecture/3 hours laboratory
Service and repair of heavy duty truck drive lines.
Topics of study include: the disassembly, inspection and reassembly of single and multiple disc clutches, four to fifteen speed transmissions, universal joins, and differentials.
DMT 130 Medium Duty Diesel Engine Tune Up (4)
3 hours lecture/3 hours laboratory
The use of diesel tune up and diagnostic equipment.
Topics include: fuel systems; compression testing; fuel pump and injection timing; troubleshooting procedures; alternators, regulators, and starting systems.
DMT 135 Basic Hydraulics (4)
3 hours lecture/3 hours laboratory
Basic hydraulic system principles and service. Topics of study include hydraulic theory, safety requirements, hydraulic diagrams and ISO symbols, component operation, service and repair troubleshooting, and test equipment usage.
DMT 176 Special Problems in Diesel Technology (.5-3)
Units awarded in topics courses are dependent upon the number of hours required of the student. Any combination of lecture, laboratory, or lecture/laboratory may be scheduled by the department. Refer to Class Schedule.
Prerequisite: DMT 100
A special study in topics in the area of interest to diesel mechanics, generally research in nature. The content to be determined by the need of the student under a signed contract with the instructor.
DMT 97 Diesel Mechanics Technology Workshop (.5-3)
Units awarded in topics courses are dependent upon the number of hours required of the student. Any combination of lecture, laboratory, or lecture/laboratory may be scheduled by the department. Refer to Class Schedule.
A special selection of topics specific in nature. The contents will vary depending on specific needs of the students and community.
DMT 200 Diesel Engine Rebuilding I (4)
3 hours lecture/3 hours laboratory
Required prerequisite: DMT 100, DMT 105
Theory and practice in rebuilding diesel engines.
Topics for study include: disassembly, cleaning, inspection, and analysis of engine parts. Also included are cylinder head service, sleeve and piston service, advanced machining and measuring techniques.
DMT 201 Diesel Engine Rebuilding II (4)
3 hours lecture/3 hours laboratory
Required prerequisite: DMT 100, DMT 105, DMT 200
Theory and practice in rebuilding diesel engines.
Topics for study include: final cleaning, inspection and reassembly of engine parts. Also included are assembly measuring, torque procedures and torque-turn methods used on engine assembly, and engine testing upon completion of assembly.
AT 160 Associated Studies in Automotives (3)
3 hours lecture
Applied science and technology as related to the automotive field. Areas covered include metrics, Ohms Law and electron theory, metal alloys and their properties and uses, thermal expansion, gas laws, limits and fits, and friction and torque.