4000837
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, Part #4000837, is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industries. This screw is integral to the assembly and maintenance of heavy-duty trucks, ensuring secure fastening in various applications. Cummins is renowned for its commitment to quality and innovation, making this part a reliable choice for professionals in the field ¹.

Basic Concepts

Hexagon Flange Head Cap Screws are designed with a hexagonal head and a flange, which provides a larger bearing surface and enhances the screw’s stability and resistance to rotation. These screws are typically made from high-strength materials such as alloy steel, which ensures durability and reliability under demanding conditions. In the automotive industry, they are commonly used for fastening components that require high tensile strength and resistance to vibration ².

Purpose and Function

The 4000837 Hexagon Flange Head Cap Screw plays a significant role in the operation of heavy-duty trucks. It is used in applications where secure and stable fastening is required, such as in the attachment of engine components, chassis parts, and other critical assemblies. By providing a robust connection, this screw contributes to the overall functionality and safety of the vehicle ³.

Key Features

The primary characteristics of the 4000837 Hexagon Flange Head Cap Screw include its hexagonal head design, which allows for easy tightening and loosening using a wrench, and its flange feature, which distributes the load over a larger area and prevents the screw from rotating during installation. These features enhance the screw’s performance and reliability, making it suitable for high-stress applications.

Benefits

Using the 4000837 Hexagon Flange Head Cap Screw offers several advantages. The design of the screw provides improved fastening security, ensuring that components remain firmly in place even under vibration and dynamic loads. Additionally, the ease of installation and removal makes it a practical choice for maintenance and repair tasks.

Installation and Usage

Proper installation of the 4000837 Hexagon Flange Head Cap Screw is crucial for optimal performance. It is recommended to follow torque specifications provided by the manufacturer to ensure the screw is tightened to the correct level without over-tightening, which could lead to damage. Using the appropriate tools and techniques will help maintain the integrity of the screw and the components it secures.

Troubleshooting and Maintenance

Common issues with the 4000837 Hexagon Flange Head Cap Screw may include loosening due to vibration or corrosion over time. Regular inspection and maintenance can help identify these problems early. Applying an anti-seize compound during installation can prevent corrosion, and using lock washers or thread lockers can help maintain the screw’s position. These practices will extend 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 history spanning over a century, Cummins has built a reputation for quality, reliability, and innovation in the automotive and heavy-duty truck industries. The company’s commitment to excellence is evident in its wide range of products, which are designed to meet the demanding requirements of professional applications.

Cummins Engine Compatibility with Part 4000837

The Hexagon Flange Head Cap Screw, part number 4000837, manufactured by Cummins, is a versatile component that fits seamlessly into various Cummins engine models. This screw is designed to provide robust fastening solutions, ensuring secure connections in critical engine applications.

QSK45 CM500 and QSK60 CM500

Both the QSK45 CM500 and QSK60 CM500 engines benefit from the use of the 4000837 screw. This part is particularly useful in applications where high torque and durability are essential, such as securing engine components and ensuring the integrity of the engine assembly.

QSK60 CM850 MCRS and QSK60G

The QSK60 CM850 MCRS and QSK60G engines also utilize the 4000837 screw. These engines, known for their reliability and performance, require precise fastening solutions to maintain operational efficiency. The screw’s design ensures that it can withstand the rigors of engine operation, providing a reliable connection that enhances the overall performance of these engines.

QSK78 CM500

The QSK78 CM500 engine incorporates the 4000837 screw in several key areas. This engine is designed for heavy-duty applications, and the screw’s strength and durability make it an ideal choice for securing various engine components, ensuring that the engine operates smoothly and efficiently.

QSK95 CM2350 K111

The QSK95 CM2350 K111 engine, known for its power and efficiency, also relies on the 4000837 screw. This engine’s demanding operational requirements necessitate a fastening solution that can endure high stress and provide a secure connection. The screw’s design meets these needs, ensuring that the engine components remain securely fastened under all operating conditions.

QSV91-G4 CM558/CM700 V102

The QSV91-G4 CM558/CM700 V102 engine incorporates the 4000837 screw in various critical applications. This engine, designed for high-performance and reliability, requires a fastening solution that can handle the stresses of its operation. The screw’s robust design ensures that it can maintain secure connections, contributing to the engine’s overall performance and longevity.

Role of Part 4000837 Hexagon Flange Head Cap Screw in Engine Systems

The part 4000837 Hexagon Flange Head Cap Screw is integral to the secure assembly and performance of various engine components. Its robust design ensures reliable fastening in high-stress environments, making it a preferred choice for several key applications.

Turbocharger Systems

In turbocharger setups, the 4000837 screw is often used to secure the turbocharger to the engine block or manifold. This ensures that the turbocharger remains firmly in place, even under the extreme conditions of high-speed rotation and temperature fluctuations. Proper fastening is essential for maintaining the turbocharger’s efficiency and longevity.

Exhaust Transfer Kit

When integrating an exhaust transfer kit, the 4000837 screw plays a significant role in securing the various components of the kit to the engine. This includes attaching exhaust manifolds, downpipes, and catalytic converters. The screw’s flange head provides additional surface area for a tighter seal, which is vital for reducing exhaust leaks and ensuring optimal performance.

Upfit Kits

For upfit kits that enhance engine performance, the 4000837 screw is commonly employed to attach additional components such as intercoolers, charge pipes, and air intake systems. Its strength and durability ensure that these aftermarket parts remain securely fastened, contributing to the overall reliability and performance of the modified engine.

Turbocharger Gasket Kit

In the installation of a turbocharger gasket kit, the 4000837 screw is used to clamp the gaskets between the turbocharger and the manifold. This creates a seal that prevents leaks, ensuring that the turbocharger operates efficiently. The screw’s design allows for precise torque application, which is essential for maintaining the integrity of the gasket seal.

General Engine Arrangement

Beyond specific kits and components, the 4000837 screw is widely used throughout the engine arrangement to secure various parts. This includes attaching sensor brackets, mounting brackets for ancillary components, and securing engine covers. Its versatility and reliability make it a staple in engine assembly and maintenance.

Conclusion

The 4000837 Hexagon Flange Head Cap Screw is a critical component in the assembly and maintenance of heavy-duty engines, offering robust fastening solutions that ensure secure connections in high-stress environments. Its design, featuring a hexagonal head and flange, enhances stability and resistance to rotation, making it suitable for a wide range of applications. Proper installation and maintenance practices are essential to maximize the screw’s performance and longevity, contributing to the overall reliability and efficiency of the engine systems it supports.