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Reasons To Replace The Cylinder Head On Your Cummins Engine

March 8, 2023

Reasons why you may need to replace the cylinder head on your Cummins engine:


Cracked or Warped Cylinder Head


How Cracks Occur


How Warping Occurs


Symptoms of a Cracked or Warped Cylinder Head


Valve Damage or Valve Seat Failure


Causes of Valve Damage


Timing Chain or Timing Belt Failure


What Can Happen


Engine Overheating and Thermal Stress


Common Causes of Overheating


Consequences of Overheating


Performance Upgrades and Engine Modifications


Popular Upgrades That Increase Pressure and Temperature


Why Upgrades Affect the Cylinder Head


Wear and Tear Over High Operating Hours


Corrosion and Coolant Contamination


Effects of Coolant Corrosion


Poor Maintenance or Delayed Repairs


Maintenance Issues That Lead to Head Damage


Summary: Why Cylinder Head Replacement Becomes Necessary


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Reasons To Replace The Cylinder Head On Your Cummins Engine

Reasons You Need An Overhaul Kit For Your Cummins Engine

March 8, 2023

Efficiency & Overhaul: Why Marine Cummins Engines Need Rebuild Kits


In-Depth Guide to Marine Applications of 4BTA, 6BTA, QSB, 6CTA, QSC, ISL, QSL, M11, ISM, QSM, NT855, KTA19, KTA38, KTA50, QSK19 Engines


Introduction: Diesel Power at Sea


What Does a Marine Diesel Overhaul Kit Do?


Why Overhaul? Common Marine Wear & Failure Points


Constant Load


Corrosion & Salt


Heat & Long Duty Cycles


Irregular Maintenance Schedules


The 5 Most Common Reasons to Overhaul Your Cummins Marine Engine


1. Engine Wear from Long Hours


2. High Oil Consumption


3. Excessive Smoke


4. Noise or Vibration


5. Overheating & Mechanical Failures


In-Depth Look at Key Cummins Marine Engines & When Overhauls Come Up


4BTA & 6BTA


Common in:

Why overhaul?

QSB Series


Found in:

Why overhaul?

6CTA & QSC


Typical use:

Why overhaul?

ISL & QSL


Installed in:

Why overhaul?

M11, ISM, QSM


Serving:

Why overhaul?

NT855


Where used:

Why overhaul?

KTA19, KTA38, KTA50


Found powering:

Why overhaul?

QSK19


Used in:

Why overhaul?

What’s Inside a Typical Cummins Marine Overhaul Kit?


Benefits Beyond Just “Running Again”


Closing Thoughts: Protecting Your Investment


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Reasons You Need An Overhaul Kit For Your Cummins Engine