Overheating in Cummins 6.7L Marine Engines: Causes, Prevention & Solutions

May 9, 2025

1. Marine Applications of the Cummins 6.7L Engine


1. Recreational Yachts and Cruisers

2. Commercial Fishing Vessels

3. Passenger Ferries and Charter Boats

4. Pilot Boats and Patrol Craft

5. Tugboats and Support Vessels

2. Top Causes of Overheating in Marine Cummins 6.7L Engines


1. Restricted Raw Water Flow


2. Clogged or Fouled Heat Exchangers


3. Failing Thermostat


4. Low Coolant or Improper Coolant Mix


5. Raw Water Pump Failure


6. Clogged Keel Cooler (For Vessels Without Heat Exchangers)


7. Faulty Temperature Sensor or ECU Misreading


8. EGR Cooler Failure (in Emissions-Compliant Models)


9. Internal Corrosion from Improper Coolant or Storage


10. Overloading and Continuous High RPM Operation


3. Maintenance Best Practices for Marine Cummins 6.7L Engines


4. Recommended Parts from Diesel Pro Power


Conclusion: Keep Your QSB6.7 Cool and On the Water


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Overheating in Cummins 6.7L Marine Engines: Causes, Prevention & Solutions

Starting Up A Cummins 6CTA In A Commercial Fishing Vessel Video

April 28, 2025

Cummins 6CTA: Application Commercial Fishing Vessels


Introduction – Featuring Imperial Diesel Service, LLC Installation


Technical Overview of the Cummins 6CTA for Fishing Vessels


Why the Cummins 6CTA is a Top Choice for Commercial Fishing


Common Fisheries Using the Cummins 6CTA


Bottom Fishing in the Gulf of America (formerly known as the Gulf of Mexico) & Florida Keys


Lobster Fisheries – Maine, Canada, New England, and Florida Keys


Latin America and Caribbean Fisheries


Crab Fisheries – Alaska, Pacific Northwest, Gulf of America


Shrimp Trawling – Gulf of America, South America, Southeast Asia


Tuna Longlining – Pacific, Indian Ocean


Scallop and Clam Dredging – North Atlantic


Gillnetting and Trawling – Coastal and Nearshore


Installation Considerations for Commercial Fishing Vessels


Maintenance and Longevity in Fishing Applications


Aftermarket Support and CPL Cross-Reference


FAQs – Cummins 6CTA in Commercial Fishing


Final Thoughts


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Fuel System For Cummins ISC, QSC8.3, ISL, QSL9

April 21, 2025

Overview of the Fuel Injection System For Cummins ISC, QSC8.3, ISL, QSL9


Introduction to High-Pressure Common Rail (HPCR) Technology


How Fuel Injection Works in These Engines


Fuel Injection Strategies


Troubleshooting Common Fuel System Issues For Cummins ISC, QSC8.3, ISL, QSL9


Symptoms of Fuel System Problems


Diagnostic Steps


Common Faults and Their Causes


Specific Troubleshooting Tips


Use of Diagnostic Software


Cleaning and Replacing Injectors For Cummins ISC, QSC8.3, ISL, QSL9


Injector Design and Function


When to Clean vs. When to Replace Injectors


Cleaning Procedures


External Cleaning


Ultrasonic Cleaning (Bench Cleaning)


On-Engine Injector Cleaner Kits


Replacement Procedure Overview


Tips for Successful Injector Replacement


Understanding the Injector Calibration Code


Preventing Future Injector Problems


Recommended Injector Service Intervals


Conclusion: Maintaining Optimal Fuel System Performance For Cummins ISC, QSC8.3, ISL, QSL9


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Fuel System For Cummins ISC, QSC8.3, ISL, QSL9

Cummins 6BT Rebuilt By Imperial Diesel Video

April 14, 2025

Rebuilding the Cummins 6BT with Diesel Pro Parts – A Visit to Imperial Diesel Service


Inside the Shop: A Rebuilt Cummins 6BT from Imperial Diesel Service


The Cummins 6BT: Still a Legend


Why Mechanics Choose DieselPro.com for 6BT Rebuilds


Watch the Rebuild in Action


Why Buy Your Cummins 6BT Parts From Diesel Pro Power?


Over 40,000 Satisfied Customers Worldwide


Fast, Worldwide Shipping


Intuitive Online Ordering


Secure and Private


World-Class Customer Service


Where the Cummins 6BT Shines – Applications We Support


Marine Applications


Industrial Applications


Cummins 6BT Engine Specifications


Applications of the Cummins 6BT Engine


1. Marine Auxiliary and Generator Use


Marine Use Cases:

2. Power Generation Systems


Generator Applications:

3. Construction & Utility Equipment


Common Applications:

4. Agricultural Machinery


Agricultural Use Cases:

5. Oilfield and Heavy Utility Applications


Oilfield Uses:

6. Global Export and Repower Markets


Global Applications:

Key Advantages of the Cummins 6BT Engine


Conclusion


Additional Resources For The Cummins 6BT


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Cummins 6BT Rebuilt By Imperial Diesel Video

Installing A Cummins 6CTA Into A Commercial Fishing – Short Video

April 10, 2025

Cummins 6CTA: Application Commercial Fishing Vessels


Introduction – Featuring Imperial Diesel Service, LLC Installation


Technical Overview of the Cummins 6CTA for Fishing Vessels


Key Specifications (Typical Marine Configurations)


Why the Cummins 6CTA is a Top Choice for Commercial Fishing


Common Fisheries Using the Cummins 6CTA


Bottom Fishing in the Gulf of America (formerly known as the Gulf of Mexico) & Florida Keys


Lobster Fisheries – Maine, Canada, New England, and Florida Keys


Latin America and Caribbean Fisheries


Crab Fisheries – Alaska, Pacific Northwest, Gulf of America


Shrimp Trawling – Gulf of America, South America, Southeast Asia


Tuna Longlining – Pacific, Indian Ocean


Scallop and Clam Dredging – North Atlantic


Gillnetting and Trawling – Coastal and Nearshore


Installation Considerations for Commercial Fishing Vessels


Maintenance and Longevity in Fishing Applications


Aftermarket Support and CPL Cross-Reference


FAQs – Cummins 6CTA in Commercial Fishing


Final Thoughts


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Installing A Cummins 6CTA Into A Commercial Fishing – Short Video

Installing Camshaft Into Cummins 6BT 5.9L (Installation By Imperial Diesel Service, LLC) Video

April 9, 2025

Installing a Camshaft into a Cummins 6BT Engine


Understanding the Camshaft in the Cummins 6BT Engine


Preparation for Camshaft Installation – Cummins 6BT Engine


Removing the Old Camshaft – Cummins 6BT


Inspecting Components Before Installation – Cummins 6BT Engine


Installing the New Camshaft – Cummins 6BT 


Setting Camshaft Timing – Cummins 6BT 


Final Steps and Initial Startup – Cummins 6BT 


Troubleshooting After Camshaft Installation – Cummins 6BT 


Maintenance After Installation – Cummins 6BT 


FAQ – Installing a Camshaft in a Cummins 6BT


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Installing Camshaft Into Cummins 6BT 5.9L (Installation By Imperial Diesel Service, LLC) Video