Customer Feature – Imperial Diesel Service, LLC

All Engines All Makes Marine Diesel Mechanic In Largo, FL

Watch Part 1 Of The Cummins KTA19 Engine Overhaul In A Tugboat Below

Below is Part 2 Of The Cummins KTA19 Overhaul In A Tugboat

Products Featured In This Customer Feature:

️ Cummins 6BT Complete Overhaul – Part 1 | DIESELPRO.COM

In this video, Diesel Pro Power customer Imperial Diesel Service, LLC, performs a detailed overhaul of a Cummins 6BT engine. This video is Part 1 of a 2-part series, covering the beginning stages of a complete rebuild process. The work is done inside a professional diesel engine shop and showcases real-world footage of parts installation and prep. This video is meant to serve as a visual guide for Cummins 6BT rebuild enthusiasts, marine mechanics, fleet service professionals, and shop owners. It focuses on real procedures using Diesel Pro Power parts, as installed by an experienced mechanic.

⚠️ DISCLAIMER: This video is for demonstration purposes only. It does not include torque specifications, safety protocols, or complete technical procedures. Please always refer to the official Cummins service manual for proper instructions, specifications, and recommended safe practices when overhauling any engine.

Parts To Rebuild Your 6BT Engine Can Be Found At The Link Below: https://dieselpro.com/cummins-6bt-par... ️

Breakdown of What’s Shown in the Video: 0:11

Assembling The Piston Kits & Connecting Rods

https://dieselpro.com/cummins-6bt-par... https://dieselpro.com/cummins-6bt-par...

9:49 Preparing The Crankshaft

https://dieselpro.com/cummins-6bt-par...

12:40 Installing The Main Bearings

https://dieselpro.com/cummins-6bt-par...

17:51 Torquing The Main Cap Bearing Bolts

https://dieselpro.com/cummins-6bt-par...

22:05 Cleaning The Connecting Rods

https://dieselpro.com/cummins-6bt-par...

22:26 Installing The Gear Housing

23:02 Polishing The Camshaft

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25:17 Installing The Camshaft

https://dieselpro.com/cummins-6bt-par...

28:17 Installing The Piston Kits

https://dieselpro.com/cummins-6bt-par...

39:32 Checking Piston Deck Height

40:22 Installing The Cylinder Head

https://dieselpro.com/cummins-6bt-par...

Cylinder Head For Detroit Diesel 149 Series Engines (8V149, 12V149, 16V149)

Key Functions For The Cylinder Head In A Detroit Diesel 149 Engine: Housing Exhaust Valves, Fuel Injectors, and Cooling Systems

Key Functions of the Cylinder Head

Common Issues: Addressing Wear, Valve Clearance, and Cylinder Head Replacement In The Detroit Diesel 149 Series Engine

Wear on Exhaust Valves and Seats

Maintaining Proper Valve Clearance

Injector Wear and Carbon Buildup

Cooling Passage Blockages

Cylinder Head Cracks and Warping

Head Gasket Failure For Detroit Diesel 149 Series Engines (8V149, 12V149, 16V149)

Cylinder Block For Detroit Diesel 149 Series Engines (8V149, 12V149, 16V149)

Structure and Role: The Detroit Diesel 149 Engine’s Main Frame

Heavy-Duty Cylinder Block Construction

Housing and Support for Critical Components

Integrated Cooling and Lubrication Systems

Structural Integrity and Load Distribution

Maintenance Tips: Ensuring Structural Integrity and Performance for Your Detroit Diesel 149 Cylinder Block

Inspecting for Cracks and Fractures

Checking Bearing Caps for Wear

Monitoring Bolt Torque and Thread Condition

Torque Specs By Component

Thread Size

Torque (lb-ft)

Torque (N·m)

Cleaning Cooling and Lubrication Passages

Ensuring Surface Flatness

Cleaning and Testing: Maintaining Optimal Condition of the Cylinder Block

Solvent Baths for Thorough Cleaning

Process:

Post-Bath Scrubbing:

Benefits:

Steam Cleaning to Clear Residual Buildup

Pressure Testing to Detect Leaks and Weaknesses

Magnetic Particle Inspection (MPI) for Crack Detection

Rust Prevention and Protective Coatings

Workspace Setup For Detroit Diesel 149 Series Engines (8V149, 12V149, 16V49)

Clean Workspace: Importance of a Clean, Organized Area

Protection of Sensitive Components:

Organized Surfaces

Regular Cleaning Routines

Storage of Parts and Supplies

Contamination Prevention

Tool Preparation: Recommendations for Quick, Organized Access

Engine Safety For Detroit Diesel 149 Series Engines (8V149, 12V149, 16V49)

Battery Disconnect: Precautions to Avoid Accidental Starting

Complete Power Isolation

Use of Lockout-Tagout (LOTO)

Discharge Stored Electrical Energy

Disconnecting Additional Power Sources

Conclusion

Proper Lifting Techniques: Securing Heavy Components Correctly

1. Using Engine Lifter Brackets as Recommended

2. Choosing the Right Lifting Equipment

3. Securing Components Before Lifting

4. Avoiding Manual Lifting of Heavy Parts

5. Team Lifting for Medium-Weight Components

6. Ensuring Workplace Safety

Conclusion

Conclusion Of Engine Safety For Detroit Diesel 149 Series Engines (8V149, 12V149, 16V49)

Why Two-Stroke Diesel Engines Were Ahead of Their Time in the Marine Industry

The Origins of Detroit Diesel and Its Impact on Marine Applications

Detroit Diesel’s Engine Series and Marine Success

71 Series:

53 Series:

92 Series:

149 Series:

Key Advantages for the Marine Industry

Two-Stroke Diesel Technology: Why It Was Ahead of Its Time

The Enduring Legacy of Two-Stroke Engines in Marine Applications