4923187
Fracture Resistant Screw
Cummins®

Introduction

The Fracture Resistant Screw 4923187 is a specialized fastener produced by Cummins, a leading manufacturer in the commercial truck industry. This screw is designed to withstand significant stress and resist fractures, making it a vital component in the assembly and maintenance of commercial trucks. Its robust construction and reliable performance contribute to the overall durability and safety of the vehicles it is used in ¹.

Purpose and Function

The Fracture Resistant Screw 4923187 plays a role in securing various components within commercial trucks. It is commonly used in applications where high tensile strength and resistance to fracture are required. By providing a secure and durable connection, this screw helps maintain the integrity of critical assemblies, ensuring the vehicle operates safely and efficiently under demanding conditions ².

Key Features

The Fracture Resistant Screw 4923187 is distinguished by several unique attributes. It is manufactured from high-strength materials, which contribute to its durability and resistance to fracture. The screw features design enhancements such as a specialized thread profile and a head design that distributes stress more evenly. Additionally, it may be treated with special coatings or surface treatments to improve corrosion resistance and further enhance its performance in harsh environments ³.

Benefits

Utilizing the Fracture Resistant Screw 4923187 offers several advantages. Its high resistance to fracture under stress increases the reliability of the connections it secures, reducing the likelihood of failure during operation. This results in decreased maintenance requirements and extended service intervals. Furthermore, the enhanced safety provided by this screw contributes to the overall reliability and performance of the commercial truck.

Installation and Usage

Proper installation of the Fracture Resistant Screw 4923187 is crucial for ensuring optimal performance and longevity. It is recommended to follow specific torque specifications provided by the manufacturer to achieve the correct tension without over-tightening, which could lead to damage. The screw is compatible with a range of materials commonly used in truck construction, and care should be taken to ensure that mating surfaces are clean and free of contaminants to prevent corrosion and ensure a secure fit.

Troubleshooting and Maintenance

Common issues with the Fracture Resistant Screw 4923187 may include loosening over time or corrosion in exposed applications. Regular inspections should be conducted to identify any signs of wear, corrosion, or damage. If issues are detected, the screw should be replaced according to the manufacturer’s guidelines to maintain the integrity of the assembly. Adhering to recommended inspection intervals and replacement criteria will help prolong the screw’s service life and ensure continued reliable performance.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history of innovation and a broad product range, Cummins has established a strong reputation in the commercial truck industry for quality, reliability, and performance. The company’s commitment to excellence is reflected in its products, including the Fracture Resistant Screw 4923187, which embodies Cummins’ dedication to providing durable and high-performing components for the commercial trucking sector ⁴.

Compatibility with Cummins Engines

The Fracture Resistant Screw part number 4923187, manufactured by Cummins, is designed to fit seamlessly within a variety of Cummins engine models. This screw is engineered to provide enhanced durability and reliability, crucial for maintaining the integrity of engine components under demanding conditions.

ISM Series Engines

The ISM series engines, including the ISM CM570, ISM CM570/870, ISM CM876, and ISM11 CM876 SN, are equipped with the 4923187 screw. This part is integral to the assembly and maintenance of these engines, ensuring that critical components remain securely fastened.

M11 Series Engines

For the M11 series engines, the 4923187 screw is compatible with both the M11 CELECT PLUS and M11 MECHANICAL variants. This screw’s design allows it to withstand the high stresses and vibrations typical of these engines, contributing to their overall performance and longevity.

QSM11 Series Engines

The QSM11 series engines, specifically the QSM11 CM570 and QSM11 CM876, also utilize the 4923187 screw. This part’s fracture-resistant properties are particularly beneficial in these engines, where it helps to secure components that are subject to significant mechanical forces.

Role in Engine Systems

The 4923187 Fracture Resistant Screw is integral to the secure assembly and reliable operation of various engine components. Its application ensures that critical connections remain intact under the demanding conditions within an engine.

Camshaft Assembly

In the camshaft assembly, the 4923187 screw is used to fasten the camshaft to the cylinder head. This secure attachment is essential for maintaining the precise alignment of the camshaft, which is vital for the accurate timing of valve operations. The fracture resistance of the screw ensures that it can withstand the cyclic loading and high temperatures encountered in this application.

Connecting Rod and Piston

For the connecting rod and piston assembly, the 4923187 screw plays a significant role in attaching the connecting rod to the engine piston kit. This connection is subjected to substantial forces during engine operation, making the fracture resistance of the screw particularly important. It helps in maintaining the integrity of the assembly, ensuring smooth and efficient power transmission from the piston to the crankshaft.

Cylinder Head and Injectors

When securing the cylinder head to the engine block, the 4923187 screw provides the necessary clamping force to create a seal that prevents coolant and combustion gases from leaking. Additionally, in fuel injection systems, these screws are used to mount injectors to the cylinder head. The robust nature of the screw ensures that injectors remain firmly in place, contributing to consistent fuel delivery and combustion efficiency.

Oil Manifold Attachment

The oil manifold, which distributes oil to various engine parts, is another area where the 4923187 screw is employed. Securely fastening the oil manifold ensures that oil pathways remain unobstructed and that oil pressure is maintained across the engine. This is essential for the lubrication of moving parts and the overall health of the engine.

Performance Parts

In high-performance engine builds, the 4923187 screw is often used in various performance parts to enhance durability and reliability. Whether it’s securing aftermarket cylinder heads, high-performance camshafts, or custom piston assemblies, the fracture resistance of the screw is a key factor in withstanding the increased stresses and temperatures associated with performance enhancements.

Conclusion

The 4923187 Fracture Resistant Screw, through its applications in these engine components, contributes significantly to the overall performance, durability, and reliability of the engine system. Its robust design and fracture resistance make it an essential component in the assembly and maintenance of commercial trucks and various Cummins engine models.