An Interactive 5-Day Training Course
Heavy Duty Diesel Engine (HDD) Operation and Maintenance
Industrial Diesel Engine Operation & Maintenance
Course Overview
This interactive, applications-driven 5-day GLOMACS Heavy Duty Diesel Engine (HDD) Operation and Maintenance training seminar will highlight the added value that Heavy Duty Diesel Engines can offer to support engineers and technicians working in power plants, petroleum industries, and fleet management and maintenance. It will show how to safely use such engines economically, safely and environment friendly.
This GLOMACS Maintenance Engineering training seminar will emphasize the application of related recommended operation and maintenance practices advised by the most reputable manufacturers and by the relevant standards, focus on proper HD Diesel engine selection for specific jobs, retrieval and interpretation of data from HD Diesel engines manuals.
This GLOMACS training seminar will feature:
- Discussions on the benefits and applications of heavy duty Diesel HDD engines
- The importance of correct operation and maintenance of HDD for better reliability
- The detailed description of HDD systems and characteristic performance
- Focusing on electronic control of HDD for economy and environment friendly operation
Training Objectives
By the end of this GLOMACS training seminar, participants will be able to:
- Outline the principle of operation of diesel engines
- Specify the difference between Heavy Duty Diesel Engines and normal Diesel engines
- Describe how combustion occurs in diesel engines
- Explain the reason of air charging in diesel engines
- List and explain the principle of operation of air charging systems in diesel engines
- List and explain the operation principle of various types of fuel injection systems used in HDD
- Describe the layout and components of various fuel injection systems used in HDD
- Explain how quantity and timing of injected fuel can be controlled
- State the benefits of Diesel Electronic Control (DEC)
- List and explain the principle of operation of various HDD emission control systems
- Outline the procedure and requirements for servicing HDD
- Outline the HDD basic routine maintenance operations
- List and explain how to fix the common HDD troubles
Who should Attend?
This GLOMACS training seminar is suitable to a wide range of professionals but will greatly benefit:
- Vehicles fleet maintenance engineers and technicians
- Fleet maintenance supervisors
- Automotive maintenance engineers
- Automotive maintenance technicians
- Diesel power generation plants engineers and technicians
About Saudi Glomacs
At Saudi GLOMACS, we specialize in delivering world-class training courses in Saudi Arabia and across various international locations. Our training courses are tailored to meet the unique demands of Saudi Vision 2030 and the Human Capability Development Program, focusing on empowering Saudi citizens and enhancing workforce skills. We offer diverse courses spanning leadership, management, engineering, and technical disciplines to cultivate expertise and drive professional growth. Our flexible learning options—whether in-person, online, or in-house—ensure accessibility and convenience for individuals and organizations alike.
With over 30+ years of experience through the GLOMACS global network, we are committed to delivering innovative, results-driven training solutions. Our expert instructors combine industry knowledge with dynamic teaching methods, fostering practical skill development and long-term career success. By choosing Saudi GLOMACS, you're investing in personal excellence and contributing to the Kingdom’s sustainable economic growth and vision-driven transformation.
Training Outline
DAY 1: Introduction to Heavy Duty Diesel (HDD) Engines
- Meaning of HDD Engine: Rating – Load factor – Operation Duration
- HDD Engine Glossary of Terms
- International Standards for HDD Engine
- HDD Engine Internal and External Characteristic Performance curves
- Design Considerations of HDD Engine
- HDD Engine Construction Features and Materials
- HDD Engine Applications
DAY 2: Work Cycle and Combustion in HDD Engines
- Work Cycle, Internal and External Characteristic Curves of HDD Engines
- Diesel Fuel (Classification – Fuel properties – Fuel tests)
- Combustion Process in Diesel Engines
- Compression Ratio
- Combustion Chambers Shapes
- Direct & Indirect Injection Methods
- Homogenous Charge Compression Ignition (HCCI)
- Air Charging in Heavy Duty Diesel Engines: Types (Mechanical – Turbo – Pressure wave)
- Turbocharger Configuration (Combined Two Stage - Variable Geometry – Sequential )
- Turbocharger Control (Pressure – Fuel compensation)
- Turbocharger Performance Characteristics
DAY 3: Fuel Injection Systems in HDD Engines
- Types and Principle of Operation of Fuel Injection Systems:
- Cummins Systems: (PT – CELECT unit injector – Accumulator – HPI – XPI)
- Caterpillar Systems: (HUEI/A – HUEI/B – Navistar – MEUI/A – MEUI/B)
- In-line or Multi-plungers Systems
- Common Rail Systems
- HDD Engines Fuel Injection Systems Layout and Components
- Methods of Control of Injected Fuel Quantity and Timing: (Hydraulic, Pneumatic, Electronic)
- Diesel Fuel Filtration and Water Separation
DAY 4: Electronic Diesel Control (EDC)
- Advantages of EDC
- EDC Basic Layout and Components (ECU – Sensors – Actuators – Layout for various types of fuel injection systems)
- Open & Closed Loops and Data Processing
- Controlled Quantities: (Start – Drive mode – Idle speed – Maximum speed – Intermediate speed – Cruise speed - etc.)
- Injected Fuel Quantity Limits
- Emission Control Systems;
- Diesel Oxidation Catalyst (DOC)
- Diesel Particulate Filter (DPF)
- Selective Catalyst Reduction (SCR)
- Urea Injection (UI)
- Exhaust Gas Recirculation (EGR)
- Closed Crankcase Ventilation (CCV)
DAY 5: Operation and Maintenance of HDD Engine
- Operation Tips for HDD Engine
- Indicator Lamps
- On-Board Diagnostics
- Fuel Type
- Items to be Noticed
- Tips for Efficient Operation
- Maintenance of Diesel Engines
- Basics of Mechanical Maintenance
- Servicing of Diesel Fuel Injection Systems
- Diesel Engine Tune-up
- Diesel Engine Routine Maintenance Operations (time-based, distance- based)
- Diesel Engines Troubleshooting
- Forms of Diesel Engine Components Failure
- Engines Troubleshooting and Fault Rectification
- Testing of Injection Pumps, Injectors, Fuel Feed Pumps
- Tests for Assessment of Engine Condition (compression, leakage tests)
Certificates
- On successful completion of this training course, GLOMACS Certificate will be awarded to the delegates
- Continuing Professional Education credits (CPE) : In accordance with the standards of the National Registry of CPE Sponsor, one CPE credit is granted per 50 minutes of attendance
Accreditation


GLOMACS is registered with NASBA as a sponsor of Continuing Professional Education (CPE) on the National Registry of CPE Sponsors. NASBA have final authority on the acceptance of individual courses for CPE credit. Complaints regarding registered sponsors may be submitted to the National Registry of CPE Sponsors through its website: www.learningmarket.org.
All Training Seminars delivered by GLOMACS by default are eligible for CPE Credit.
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