4899385
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 4899385, is a component manufactured by Cummins, a prominent name in the commercial truck industry. This screw is integral to the assembly and maintenance of commercial trucks, ensuring the secure fastening of various components. Cummins, known for its robust and reliable parts, provides this screw as part of its extensive range of high-quality truck components.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and a flange—a flat, circular plate—underneath the head. This design allows for efficient torque application and provides a larger bearing surface, which helps distribute the load more evenly. In a truck’s assembly, these screws are used to fasten components that require a secure and durable connection, such as engine parts, chassis elements, and other critical assemblies ¹.

Purpose and Role in Truck Operation

The 4899385 Hexagon Flange Head Cap Screw plays a significant role in the operation and maintenance of commercial trucks. It is designed to provide a strong, reliable connection between components, ensuring that parts remain securely fastened under various operating conditions. This screw is particularly useful in applications where vibrations and dynamic loads are common, as its design helps prevent loosening over time ².

Key Features

The 4899385 Hexagon Flange Head Cap Screw features a hexagonal head, which allows for easy tightening and loosening using a wrench or socket. The flange under the head provides additional surface area, enhancing the screw’s ability to distribute loads and resist pulling out. Additionally, the screw is made from high-strength materials, ensuring durability and resistance to corrosion, which is vital for long-term performance in demanding truck applications.

Benefits

Using the 4899385 Hexagon Flange Head Cap Screw offers several advantages. Its hexagonal head design allows for efficient torque application, reducing the risk of stripping or damaging the screw during installation. The flange provides added security by preventing the screw from pulling through the material, which is particularly beneficial in high-stress applications. Furthermore, the high-strength material composition ensures enhanced durability and resistance to corrosion, contributing to the screw’s long-term reliability ³.

Installation Process

Proper installation of the 4899385 Hexagon Flange Head Cap Screw is crucial for optimal performance and longevity. Begin by ensuring the mating surfaces are clean and free of debris. Use a wrench or socket to tighten the screw gradually, applying even torque to avoid cross-threading. It is important to achieve the recommended torque specification to ensure a secure connection without over-tightening, which could damage the screw or the surrounding material.

Troubleshooting Common Issues

Common issues with Hexagon Flange Head Cap Screws include loosening due to vibrations and corrosion. To address loosening, ensure that the screw is properly torqued during installation and consider using a thread-locking compound for added security. If corrosion is observed, inspect the surrounding environment for moisture or chemical exposure and take steps to mitigate these factors. Regular inspections can help identify and address issues before they lead to more significant problems.

Maintenance Tips

To prolong the lifespan of the 4899385 Hexagon Flange Head Cap Screw and ensure continued reliable performance, regular maintenance is recommended. Inspect the screws periodically for signs of wear, corrosion, or loosening. Clean the mating surfaces and screws as needed to remove any buildup that could affect performance. Additionally, reapplying a thread-locking compound during maintenance can help prevent loosening due to vibrations.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a strong reputation for producing high-quality, reliable components for the commercial truck industry. The company’s extensive product range includes engines, powertrains, and aftermarket parts, all designed to meet the demanding requirements of commercial transportation.

Cummins Hexagon Flange Head Cap Screw 4899385 in Engine Applications

The Cummins Hexagon Flange Head Cap Screw, part number 4899385, is a critical component in various engine assemblies. This screw is designed to provide secure fastening in high-stress environments, ensuring the integrity and performance of the engine systems it is part of.

B6.7S Engine

In the B6.7S engine, the 4899385 screw is utilized in several key areas. It is often employed in securing components that require robust fastening, such as engine mounts, brackets, and various housings. The screw’s design ensures that these parts remain tightly secured under the operational stresses of the engine, contributing to the overall stability and longevity of the engine.

Grouping of Engines

The 4899385 screw is not limited to the B6.7S engine; it is also a vital part in other Cummins engine models. Its application extends to various engine groups where similar fastening requirements are present. This includes securing critical components in engines that demand high reliability and performance, such as the B6.7 and QSK series. The screw’s flange head design allows for easy installation and removal, making it a preferred choice for maintenance and repair operations.

Understanding the Role of Part 4899385 Hexagon Flange Head Cap Screw in Engine Systems

In the intricate world of engine systems, the part 4899385 Hexagon Flange Head Cap Screw is a key component that ensures the stability and efficiency of various engine components. This screw is instrumental in securing and maintaining the integrity of several critical parts, including the housing, flywheel, and rear gear.

Securing the Housing

The housing of an engine is a protective enclosure that houses various moving parts. The 4899385 Hexagon Flange Head Cap Screw plays a significant role in fastening the housing to the engine frame. This secure attachment is essential for maintaining the structural integrity of the housing, ensuring that it can withstand the vibrations and stresses generated during engine operation. Proper fastening also prevents any potential misalignment that could lead to increased wear and tear on other components.

Flywheel Stability

The flywheel is a vital component in the engine system, responsible for storing rotational energy and ensuring smooth operation between power strokes. The 4899385 Hexagon Flange Head Cap Screw is used to secure the flywheel to the crankshaft. This connection is vital for maintaining the flywheel’s position and ensuring it operates within the designed parameters. A secure attachment helps in reducing the risk of flywheel wobbling, which can cause uneven engine performance and increased stress on the crankshaft.

Rear Gear Alignment

In engines with multiple gear systems, the rear gear plays a significant role in transmitting power from the engine to the transmission system. The 4899385 Hexagon Flange Head Cap Screw is employed to fasten the rear gear to its housing or the engine block. This secure fitting ensures that the rear gear remains aligned correctly, facilitating smooth power transmission and reducing the likelihood of gear slippage or damage. Proper alignment is also essential for the longevity of the gear system, as misaligned gears can lead to premature wear and failure.

Comprehensive Component Integration

Beyond individual components, the 4899385 Hexagon Flange Head Cap Screw contributes to the overall integration of the engine system. By securely fastening various parts, it helps in maintaining the precise alignment and operational efficiency of the entire engine. This screw ensures that all components work in harmony, reducing the risk of mechanical failures and enhancing the engine’s performance and reliability.

Conclusion

In summary, the 4899385 Hexagon Flange Head Cap Screw is an indispensable component in engine systems, playing a significant role in securing and aligning critical parts such as the housing, flywheel, and rear gear. Its proper use is essential for the smooth and efficient operation of the engine, highlighting the importance of this seemingly small yet vital part in the complex machinery of engine systems.