4895877
Socket Head Cap Screw
Cummins®

The Socket Head Cap Screw, Part #4895877 by Cummins, is a specialized fastener designed for use in commercial truck maintenance. Cummins, a well-established manufacturer in the industry, produces this screw to meet the demanding requirements of heavy-duty applications. This component is integral to ensuring the reliability and efficiency of truck operations.

Basic Concepts of Socket Head Cap Screws

Socket Head Cap Screws are a type of fastener characterized by a hexagonal socket in the head, allowing for efficient tightening and loosening using a hex key. These screws are commonly used in mechanical applications where high strength and precision are required. They function by securely joining components together, distributing load evenly, and resisting loosening under vibration and dynamic loads ¹.

Purpose of the 4895877 Socket Head Cap Screw in Truck Operation

This part plays a specific role in the operation and maintenance of commercial trucks. It is utilized in various truck components where secure fastening is crucial. This includes applications in the engine assembly, transmission systems, and chassis components. By providing a strong and reliable connection, it helps maintain the structural integrity and performance of these critical systems ².

Key Features

This Cummins part is distinguished by several key features. Its design includes a hexagonal socket head, which allows for easy and precise installation using a hex key. The screw is made from high-quality materials, ensuring durability and resistance to corrosion. Additionally, it features a fully threaded design, which provides enhanced holding power and stability in applications where partial threading might not suffice ³.

Benefits

Using the 4895877 Socket Head Cap Screw offers several advantages. It improves assembly efficiency due to its easy installation with a hex key. The screw enhances structural integrity by providing a strong and secure connection between components. Its durable material composition ensures long-term reliability, even in the demanding conditions of heavy-duty truck operations ⁴.

Installation Considerations

Proper installation of this part is vital to ensure optimal performance and longevity. It is recommended to use the appropriate torque specifications provided by the manufacturer to avoid over-tightening or under-tightening. Best practices include cleaning the mating surfaces before installation to prevent corrosion and ensuring that the screw is aligned correctly with the component it is fastening.

Troubleshooting and Maintenance

Common issues with Socket Head Cap Screws include loosening due to vibration and corrosion over time. Regular inspection and maintenance can help identify these problems early. Recommended practices include periodically checking the tightness of the screws and applying a corrosion-resistant coating if necessary. Replacing screws that show signs of wear or damage will help maintain the reliability of the truck’s components.

Cummins: A Brief Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its high-quality engines and components. Founded in 1919, Cummins has a long history of innovation and excellence. The company offers a wide range of products, including engines, filtration systems, and aftermarket parts, all designed to meet the rigorous demands of heavy-duty applications. Cummins’ reputation for quality and reliability underscores the trustworthiness of the 4895877 Socket Head Cap Screw.

Cummins Socket Head Cap Screw 4895877 Compatibility

The Cummins Socket Head Cap Screw part number 4895877 is a versatile component designed to fit a variety of Cummins engines. This screw is integral in securing various parts within the engine assembly, ensuring structural integrity and operational efficiency. Below is a detailed overview of the engines with which this part is compatible:

B6.7 Series Engines

• B6.7 CM2350 B135B
• B6.7 CM2670 B153B
• B6.7 CM2670 B164C
• B6.7 G CMOH6.0 B125

ISB Series Engines

• ISB CM2150
• ISB CM850
• ISB/ISD4.5 CM2150 B119
• ISB/ISD6.7 CM2150 SN
• ISB6.7 CM2250
• ISB6.7 CM2350 B101
• ISB6.7 G CM2180 B118

ISBE Series Engines

• ISBE CM2150
• ISBE CM800
• ISBE4 CM850

ISF Series Engines

• ISF2.8 CM2220 F117
• ISF2.8 CM2220 F129
• ISF3.8 CM2220 AN

ISG Series Engines

• ISG11 CM2880 G108
• ISG12 CM2880 G107
• ISG12 G CMOH6.0 G111

QSB Series Engines

• QSB4.5 CM2250 EC
• QSB4.5 CM850 (CM2850)
• QSB6.7 CM2250
• QSB6.7 CM2350 B105

The Socket Head Cap Screw 4895877 is engineered to meet the stringent requirements of Cummins engines, providing reliable fastening solutions across different engine models. Its compatibility with such a diverse range of engines underscores its versatility and importance in maintaining the structural and functional integrity of these power units.

Role of Part 4895877 Socket Head Cap Screw in Engine Systems

In the intricate assembly of engine systems, the 4895877 Socket Head Cap Screw serves as a fundamental fastening component, ensuring the secure attachment of various critical parts.

• Camshaft: The Socket Head Cap Screw is employed to fasten the camshaft to its housing, maintaining alignment and stability during engine operation.

• Connecting Rod and Piston: This screw plays a role in securing the connecting rod to the piston, ensuring smooth and reliable movement within the cylinder.

• Crankshaft Gear Remover: It is utilized in the assembly and disassembly processes of the crankshaft gear, providing the necessary torque to keep components in place.

• Cylinder Head: The screw is integral in attaching the cylinder head to the engine block, ensuring a tight seal and proper compression within the combustion chamber.

• Cylinder Top Level Assembly Head: This component relies on the Socket Head Cap Screw for precise alignment and secure attachment, contributing to the overall integrity of the cylinder assembly.

• Engine Control Module (ECM): Although not directly fastened by the screw, the secure mounting of the ECM housing often involves this type of fastener to ensure it remains unaffected by engine vibrations.

• Exhaust Cooler Leak Test Kit: While primarily a diagnostic tool, the secure attachment of its components may involve the use of Socket Head Cap Screws to ensure accurate readings and safe operation.

• Injector: The screw is used to fasten the injector to the engine, ensuring it is held firmly in place for consistent fuel delivery.

• Injector Plumbing: Secure attachment of injector plumbing components often requires the use of Socket Head Cap Screws to prevent leaks and ensure proper fuel flow.

• Long Block: In the assembly of a long block, these screws are used extensively to fasten various components, ensuring the structural integrity of the engine.

• Performance Parts: High-performance engine modifications often require the use of Socket Head Cap Screws for their strength and reliability in securing aftermarket parts.

• Rear Gear Housing: The secure attachment of the rear gear housing to the engine or transmission is another application, ensuring proper alignment and operation of the gear system.

Conclusion

The 4895877 Socket Head Cap Screw by Cummins is a critical component in the maintenance and operation of commercial trucks. Its robust design, ease of installation, and compatibility with a wide range of Cummins engines make it an indispensable part in ensuring the reliability and efficiency of truck operations. Proper installation, regular maintenance, and understanding its role in various engine systems are essential for maximizing the performance and longevity of this fastener.