3644387
Fracture Resistant Screw
Cummins®

Introduction

The Fracture Resistant Screw 3644387 is a crucial component designed to maintain the integrity of various parts in heavy-duty truck applications. This Cummins part ensures that components remain securely fastened under demanding conditions, contributing to the reliable operation and longevity of truck components ¹.

Basic Concepts of Fracture Resistant Screws

Fracture resistant screws are specialized fasteners engineered to withstand high stress and resist breaking under load. They provide a secure connection between components, distributing stress evenly to prevent fractures. These screws are commonly used in the automotive industry in areas where vibrations, high loads, and temperature fluctuations are prevalent. Materials typically used include high-strength steel alloys and titanium, chosen for their durability and resistance to fatigue and corrosion ².

Role of Fracture Resistant Screw 3644387 in Truck Operation

The 3644387 Fracture Resistant Screw plays a specific role in the operation and maintenance of heavy-duty trucks by securing critical components that are subject to significant stress and vibration. It operates in environments characterized by heavy loads, rough terrain, and extreme temperatures, ensuring that parts remain securely fastened and function as intended ³.

Key Features

The 3644387 Fracture Resistant Screw features a design optimized for strength and durability. It is composed of materials that offer high resistance to fracture and corrosion. Unique attributes include a precision-machined thread that ensures a tight fit and reduces the risk of loosening, and a coating that provides additional protection against environmental factors.

Benefits

Using the 3644387 Fracture Resistant Screw offers several benefits, including enhanced durability, improved resistance to fracture under stress, and increased longevity in harsh operating conditions. These attributes contribute to the overall reliability and performance of heavy-duty trucks, reducing the need for frequent replacements and maintenance ⁴.

Troubleshooting and Maintenance

To ensure the longevity of the 3644387 Fracture Resistant Screw, regular inspections for signs of wear or damage are recommended. Maintenance tips include checking for proper torque during installation to prevent over-tightening, which can lead to screw failure, and ensuring that all mating surfaces are clean and free of debris. Troubleshooting steps for potential issues may involve re-torquing the screw or replacing it if signs of fatigue or corrosion are detected.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes diesel and natural gas engines, as well as related technologies. With a history of innovation and a commitment to quality, Cummins has established itself as a trusted name in the automotive industry, providing solutions that enhance the performance and reliability of vehicles.

Fracture Resistant Screw Part 3644387 in Cummins Engines

The Fracture Resistant Screw part number 3644387, manufactured by Cummins, is a critical component in several of their engine models. This part is designed to provide enhanced durability and reliability, particularly in high-stress environments. Here is how it fits into various Cummins engines:

QSK45 CM500 and QSK60 CM500

In the QSK45 CM500 and QSK60 CM500 engines, the Fracture Resistant Screw part 3644387 is used in several key areas where high-strength fasteners are required. These engines are known for their robust design and are often used in demanding applications such as marine and industrial settings. The screw ensures that critical components remain securely fastened, reducing the risk of failure under operational stress.

QSK60 CM850 MCRS

For the QSK60 CM850 MCRS engine, the Fracture Resistant Screw part 3644387 plays a vital role in maintaining the integrity of the engine’s structure. This engine is designed for heavy-duty applications, and the screw’s enhanced properties help in maintaining the alignment and stability of various engine parts, contributing to overall engine performance and longevity.

QSK60 G CM2358 K110

In the QSK60 G CM2358 K110 engine, the Fracture Resistant Screw part 3644387 is utilized in areas that experience significant mechanical stress. This engine is often employed in applications requiring high power output and reliability. The screw’s design helps in preventing fractures and ensuring that the engine components remain tightly secured, even under extreme conditions.

QSK60G

The QSK60G engine also benefits from the use of the Fracture Resistant Screw part 3644387. This engine is known for its versatility and is used in a variety of applications, from marine to industrial use. The screw’s ability to withstand high stress without failure is crucial for the engine’s performance and durability.

Conclusion

In summary, the Fracture Resistant Screw part 3644387 is an essential component across multiple Cummins engine models, ensuring that critical parts remain securely fastened and operational integrity is maintained. Its design and material properties contribute significantly to the durability, reliability, and performance of heavy-duty trucks and engines.