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Rio Hondo College logo
Rio Hondo College logo

HET 125 - Introduction to Diesel Engines, Fuel Systems and Emissions

Unit(s): 3.00

Advisory:It is advised that students be able to engage in written composition at a college level and read college-level texts.
Transfers to: CSU

This is and introductory course design to familiarize the students with the basic construction, operation, and emission controls of the four-stroke diesel engine. Topics include engine blocks, rotating assemblies, cylinder heads, valve trains, and intake, exhaust, lubrication and cooling systems. In addition, fuel systems and diesel emission reduction strategies will also be discussed. Students will learn the proper use of diagnostic tools and how to safely perform basic engine tests and minor repairs. This course is designed to be a companion course to HET 121, HET 122, HET 123 and HET 124, and it is required for the Heavy Equipment Maintenance Technician certificate. Students are encouraged to complete all five courses in order to obtain a firm foundation in Heavy Equipment Technology.

About RHC

Rio Hondo College, serving the communities of El Monte, Pico Rivera, Santa Fe Springs, South El Monte, and Whittier for over 50 years.


Rio Hondo College
3600 Workman Mill Road
Whittier, CA 90601

Phone: (562) 692-0921
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