Emission Control Systems for Cummins C Series Engines (6C, 6CT, 6CTA) (1991 and 1994 Certification Levels)

February 10, 2025

Introduction


1. Components of the Emission Control System


A. Exhaust Gas Recirculation (EGR) System


B. Diesel Oxidation Catalyst (DOC)


C. Particulate Filter (DPF)


D. Turbocharger with Aftercooler


E. Fuel Injection System


2. Servicing Emission-Related Parts for Compliance


A. EGR System Maintenance


B. Diesel Oxidation Catalyst (DOC) Service


C. Fuel Injection System Maintenance


D. Turbocharger and Aftercooler Service


3. Common Issues and Solutions


A. Excessive NOx Emissions


B. Increased Particulate Matter (PM) Emissions


C. Poor Fuel Economy


D. Rough Idling or Engine Hesitation


E. Fault Codes and Diagnostic Troubleshooting


Proactive Tips for Emission System Longevity


Conclusion


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Emission Control Systems for Cummins C Series Engines (6C, 6CT, 6CTA) (1991 and 1994 Certification Levels)

Comparing 1991 and 1994 Certification Levels for Cummins C Series Engines (6C, 6CT, 6CTA)

February 10, 2025

Introduction


This guide explores:


1. Emission Standards and Compliance Differences


A. Background on Emission Regulations


B. 1991 Certification Level


C. 1994 Certification Level


D. Key Compliance Differences


2. Modifications Required for Each Certification Level


A. Modifications for 1991 Certification Engines


B. Modifications for 1994 Certification Engines


C. Retrofit Options for Older Engines


3. Maintenance Implications for Both Certifications


A. Maintenance for 1991 Certified Engines


B. Maintenance for 1994 Certified Engines


C. Key Differences in Maintenance Requirements


Conclusion


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Comparing 1991 and 1994 Certification Levels for Cummins C Series Engines (6C, 6CT, 6CTA)

Engine Overhaul Basics for Cummins C Series Engines (6C, 6CT, 6CTA)

February 10, 2025

Introduction


This guide covers:


1. Deciding Between a Rebuild and Replacement


A. When to Choose an Overhaul (Rebuild)


B. When to Consider Engine Replacement


2. Key Steps in Overhauling a Cummins C Series Engine


A. Preparation


B. Engine Disassembly


C. Cleaning and Inspection


D. Reassembly with Diesel Pro Power Overhaul Kits


3. Post-Overhaul Testing and Inspection


A. Initial Testing


 


B. Break-In Procedure


C. Post-Overhaul Inspection


Conclusion


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Engine Overhaul Basics for Cummins C Series Engines (6C, 6CT, 6CTA)

Valve and Cylinder Head Maintenance for Cummins C Series Engines (6C, 6CT, 6CTA) (1991 and 1994 Certification Levels)

February 10, 2025

Introduction


1. How to Remove, Inspect, and Service the Cylinder Head


A. Removing the Cylinder Head


B. Inspecting the Cylinder Head


C. Servicing the Cylinder Head


2. Valve Adjustments and Common Cylinder Head Issues


A. Valve Adjustment Procedure


B. Common Cylinder Head Issues


3. Recognizing Signs of Damage


A. Symptoms of Cylinder Head Damage


B. Diagnostic Techniques


Conclusion


 


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Valve and Cylinder Head Maintenance for Cummins C Series Engines (6C, 6CT, 6CTA) (1991 and 1994 Certification Levels)

Why It Often Makes Sense to Overhaul Instead of Re-Power Your Marine Diesel Engine

February 5, 2025

Key Takeaways


1) Faster Turnaround and Less Downtime


Overhaul Kit Catalog  For Cummins Marine Engines


2) Cost-Effectiveness of an Overhaul


Overhaul Kit Catalog For Detroit Diesel Marine Engines


3) Understanding the True Condition of Your Engine


Overhaul Kit Catalog For Caterpillar Marine Diesel Engines


4) Compatibility with Your Existing Setup


5) Environmental and Regulatory Considerations


6) Maintaining Engine Familiarity and Reliability


7) When Re-Powering Might Be the Better Option


Final Thoughts


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Why It Often Makes Sense to Overhaul Instead of Re-Power Your Marine Diesel Engine

Engine Overhaul Kits For Cummins Engines: A Smart Investment for Longevity and Performance

February 4, 2025

Key Takeaways


What’s Included in a Quality Overhaul Kit?


Essential Components for Performance Restoration


Benefits of Overhauling Your Cummins Engine


Why Choose an Overhaul Instead of a Replacement?


1. Cost Savings


2. Extended Engine Life


3. Improved Fuel Efficiency


4. Minimized Downtime


5. Maintaining Engine Compatibility


Overhaul Kits For Cummins Engines By Series


Overhaul Kits for Cummins B Series


Overhaul Kits for Cummins C Series


Overhaul Kits for Cummins K Series


Overhaul Kits for Cummins L Series


Overhaul Kits for Cummins N Series


Overhaul Kits for Cummins X Series


Aftermarket Vs. OEM & Why Aftermarket Is The Better Choice


Understanding the Difference


Why Aftermarket Is the Better Choice


Final Thoughts


Maximizing Engine Life and Performance


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Engine Overhaul Kits For Cummins Engines: A Smart Investment for Longevity and Performance