Portland Community College | Portland, Oregon

Course Number:
DST 200
Course Title:
Undercarriage and Final Drive
Credit Hours:
Lecture Hours:
Lecture/Lab Hours:
Lab Hours:
Special Fee:

Course Description

This course will discuss methods for transferring power through the mechanical power train and cover differential, brakes, final drives, and under carriage. The content of this course should be treated as general information for power train components in all Caterpillar machines. DST 116. Prerequisites: Provide a dealer letter indicating secured internship at a participating Caterpillar Dealership. Audit available.

Intended Outcomes for the course

At the completion of this course, the student will have working knowledge of the power train components that are included in this course. Using reference materials, the student will be able to disassemble, assemble, and adjust various power train components.  

Course Activities and Design

This is an outcome-based course utilizing a lecture / lab format. This course includes videos, assignments, demonstrations, lectures, and hands on learning.   Course will be taught using Caterpillar equipment and curriculum.

Outcome Assessment Strategies

·            Multiple choice, true/false, fill in the blank, short answer and essay testing

·            Hands-on practical testing

·            Daily lab assignments as defined by Caterpillar Curriculum / weekly and term projects

·            Attendance

·            Work ethics


Course Content (Themes, Concepts, Issues and Skills)



§         Learn Basic Components and Theory.

§         Learn Locking Differentials.

§         Learn Planetary Differentials.

§         Learn Adjustments.

§         Learn Differential Steering.

§         Learn Steering Clutches and Brakes.


§         Learn Brake Mechanisms.

§         Learn Brake Systems.

§         Learn Retarding and Traction Control.


§         Learn Undercarriage Components.

§         Learn Under carriage Wear and Operation.

§         Learn Track and Shoe Options.

Final Drives, Chain Drives, and Tires

                     Discuss Final Drives, Chain Drives, and Tire

                     Learn theory and purpose of Final Drives.

                     Discuss the operation of Final Drives and Chain Drives.




                      Learn and practice personal safety.

                      Learn and practice facility safety.

                      Learn and practice equipment safety.