Portland Community College | Portland, Oregon

Course Number:
DST 204
Course Title:
Machine Specific Systems
Credit Hours:
Lecture Hours:
Lecture/Lab Hours:
Lab Hours:
Special Fee:

Course Description

This course introduces the student to Caterpillar machine specific systems. The materials presented in this course are intended to give the student a general knowledge of Caterpillar machine specific systems used in today's products. DST 201 and DST 117. 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 Instructor chosen Caterpillar Machine Specific Systems. Each unit of instruction is unique to a specific machine, machine family, or engine family.

       (Actual machines may or may not be available for hands on applications.)

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.

§         950G II Electro Hydraulic Control Systems.

§         Compact Construction Equipment (CCE)

§         325C Excavator

§         312C/315C Hydraulic Excavator

§         Off Highway Trucks

§         Articulated Dump Trucks

§         620G Wheel Tractor-Scrapers

§         H Series Motor Graders

§         Gas Engines

§         EPG Engines

§         Marine Engines

§         Paving Products

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)

       The machine systems the student will learn may include:


                                    950G II Electro Hydraulic Control Systems.

§         Power Train Hydraulic System

§         Transmission Electronic Control System Operation

§         Transmission Calibration

§         Electro Hydraulic Implement System Components

§         Electro- Hydraulic Implement System Operation

§         Electro-Hydraulic System calibration and Diagnosis

Compact Construction Equipment (CCE)

§         902/906/908 Compact Wheel Loaders

§         Skid Steer Loaders

§         303CR, 304CR, 305CR Mini-Hydraulic Excavators

325C Excavator

§         Pilot Control Systems

§         Hydraulic Pump and Pump Control System

§         Hydraulic Control Valve

§         Swing Control Valve

§         Travel Control System

§         Electronic Control System

312C/315C Hydraulic Excavator Overview

Off Highway Trucks

§         Hydraulic System

§         Air system

Articulated Dump Trucks

§         725/730 Articulated Dump Truck Components

§         725730 Articulated Dump Truck Hydraulic System

620G Wheel Tractor-Scrapers

§         620G Series overview.

§         Electrical System

§         Engine

§         Power Train

§         Implement System

§         Steering System

§         Brake System



H Series Motor Graders

§         Steering Hydraulics

§         Implement Hydraulics

Gas Engines

§         Basic Gas Engines

§         Gas Engine Regulators

§         Carburetors and Linkage

§         Gas Engine Boost Control

§         Gaseous Fuels

EPG Engines

§         Basic Generator Set Principles

§         Engine and Generator Ratings

§         Generator Set Installation Guidelines

§         Generator Set Alignment

Marine Engines

§         Marine Propulsion Basics

§         Marine Auxiliary Engines

§         Marine Engine Programming and Monitoring

Paving Products

§         Paving Products

§         CB-634D Asphalt Compactor

§         CS-663E, CP-663E and CS-683E Vibratory Compactors

§         AP-1055B Asphalt Paver



§         Learn and practice personal safety.

§         Learn and practice facility safety.

§         Learn and practice equipment safety.