3177443
Hexagon Flange Head Cap Screw
Cummins®

Introduction

The Hexagon Flange Head Cap Screw, specifically part #3177443 by Cummins, is a specialized fastener designed for heavy-duty truck applications. Cummins, a renowned manufacturer in the automotive and heavy-duty truck industry, produces this screw to meet the demanding requirements of truck operations. This screw is integral to ensuring the structural integrity and efficient operation of various truck components.

Basic Concepts

A Hexagon Flange Head Cap Screw is characterized by its hexagonal head and a flange beneath the head. The hexagonal head allows for secure fastening using a wrench or socket, while the flange provides additional surface area for load distribution and prevents the screw from sinking into the material. Within mechanical systems, these screws are used to join components securely, ensuring stability and reliability under stress ¹.

Purpose and Role in Truck Operation

The 3177443 Hexagon Flange Head Cap Screw plays a significant role in the operation and maintenance of heavy-duty trucks. It is commonly used in areas where high torque and secure fastening are required, such as in the engine compartment, chassis, and other critical assemblies. Its design ensures that components remain firmly attached, even under the rigorous conditions experienced by heavy-duty trucks ².

Key Features

The 3177443 Hexagon Flange Head Cap Screw features a hexagonal head that facilitates easy and secure tightening. The flange beneath the head enhances load distribution and provides additional resistance against loosening. Constructed from high-quality materials, this screw offers superior durability and resistance to corrosion, making it suitable for the harsh environments encountered in heavy-duty truck applications.

Benefits

The 3177443 Hexagon Flange Head Cap Screw offers several benefits. Its design allows for improved torque application, ensuring that components are securely fastened. The flange characteristic provides resistance to loosening, maintaining the integrity of the assembly over time. Additionally, the enhanced load distribution capability of the screw helps in evenly distributing stress across the fastening area, prolonging the lifespan of both the screw and the joined components.

Installation and Usage

Proper installation of the 3177443 Hexagon Flange Head Cap Screw is crucial for optimal performance. It is recommended to use the appropriate torque specifications provided by Cummins to ensure the screw is tightened to the correct level without over-tightening, which could lead to damage. Best practices include using a torque wrench for accurate application and ensuring that the surfaces being joined are clean and free of debris to promote a secure fit ³.

Troubleshooting and Maintenance

Common issues with Hexagon Flange Head Cap Screws include loosening over time and corrosion. Regular inspection and maintenance can help identify these issues early. If loosening is detected, re-tightening the screw to the specified torque is recommended. For corrosion, cleaning the screw and applying a suitable anti-corrosive treatment can help prolong its lifespan. Routine checks during maintenance intervals will ensure continued reliable performance.

Safety Considerations

When working with Hexagon Flange Head Cap Screws, it is important to follow safety guidelines to prevent accidents. Proper handling involves using the correct tools to avoid damaging the screw or the wrench. Storage should be in a dry, corrosion-resistant environment to maintain the screw’s integrity. During usage, ensure that all safety protocols are followed to protect both the user and the equipment.

Cummins 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 is recognized for its expertise in diesel engine manufacturing and commitment to producing high-quality automotive components. The company’s dedication to innovation and customer satisfaction underscores its reputation in the industry.

Cummins Engine Part 3177443: Hexagon Flange Head Cap Screw

The Cummins part number 3177443, a Hexagon Flange Head Cap Screw, is a critical component in various Cummins engine models. This screw is designed to provide secure fastening in applications where high strength and durability are essential. Here is a detailed look at how this part integrates with specific Cummins engine series:

K38 and K50 Series

The K38 and K50 engines, known for their robust performance and reliability, utilize the Hexagon Flange Head Cap Screw in several critical applications. This screw is often used in the engine’s structural framework, ensuring that components remain tightly fastened under high operational stresses. Its flange head design allows for easy access and efficient tightening, which is crucial for maintenance and assembly processes.

KTA38GC CM558, QSK38 CM2150 MCRS, and QSK38 CM850 MCRS

In the KTA38GC CM558 engine, the Hexagon Flange Head Cap Screw is employed in the engine’s mounting and support structures. The CM558 variant is particularly known for its use in marine applications, where durability and resistance to harsh environments are paramount. The screw’s design ensures that the engine’s components are securely fastened, maintaining structural integrity even under extreme conditions.

For the QSK38 CM2150 MCRS and QSK38 CM850 MCRS engines, the Hexagon Flange Head Cap Screw is integral to the engine’s modular construction. These engines are designed for versatility and ease of maintenance, and the screw’s flange head allows for quick and efficient assembly and disassembly. This is particularly important in applications where frequent maintenance is required, such as in power generation and industrial settings.

QSK50 CM2150 K107, QSK50 CM2150 MCRS, and QSK50 CM2350 K108

The QSK50 series engines, including the CM2150 K107, CM2150 MCRS, and CM2350 K108 variants, also benefit from the use of the Hexagon Flange Head Cap Screw. These engines are designed for heavy-duty applications, and the screw’s high strength and durability make it an ideal choice for securing various components. The flange head design facilitates easy access and tightening, which is essential for maintaining the engine’s performance and longevity.

In all these engines, the Hexagon Flange Head Cap Screw plays a vital role in ensuring that the engine’s components are securely fastened, providing the necessary stability and reliability for demanding applications.

Role of Part 3177443 Hexagon Flange Head Cap Screw in Engine Systems

Part 3177443, the Hexagon Flange Head Cap Screw, is integral in securing various components within engine systems. Its design allows for a robust connection, ensuring that parts remain firmly in place under the demanding conditions of engine operation.

Application in Base Parts and Blocks

In base parts and blocks, the Hexagon Flange Head Cap Screw is used to fasten the base to the engine block. This secure attachment is vital for maintaining the structural integrity of the engine, especially during high-vibration operations.

Integration with Cylinder and Block Assemblies

For cylinder and block assemblies, including cylinder block kits and short blocks, this screw plays a significant role in attaching ancillary components such as the EBM-block. Its flange head design provides additional surface area for a more stable connection, reducing the risk of loosening over time.

Use in Hardware and Service Kits

In hardware kits and service block kits, the Hexagon Flange Head Cap Screw is often employed to secure components like the water pump idler mounting gear. This ensures that the gear remains aligned and functions correctly, which is essential for the proper operation of the water pump and overall engine cooling system.

Long Block Assemblies

In long block assemblies, such as the long block assy. - 50, this screw is used to attach various parts to the engine block, ensuring that all components are securely fastened. This is particularly important in high-performance engines where precision and reliability are paramount.

General Engine Applications

Across different engine configurations, the Hexagon Flange Head Cap Screw is a go-to fastener for attaching parts to the engine block and other critical components. Its reliability and ease of use make it a preferred choice for both initial assembly and maintenance procedures.

Conclusion

The 3177443 Hexagon Flange Head Cap Screw by Cummins is a critical component in heavy-duty truck and engine applications. Its design, featuring a hexagonal head and flange, ensures secure fastening, enhanced load distribution, and resistance to loosening. Proper installation, regular maintenance, and adherence to safety guidelines are essential for optimal performance and longevity of this part. Cummins’ commitment to quality and innovation is evident in the design and functionality of this screw, making it a reliable choice for demanding applications.