4960140
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 4960140, is a component manufactured by Cummins, a well-regarded name in the automotive industry. This screw is significant in commercial trucks due to its role in fastening various components securely. Cummins is known for its commitment to producing high-quality truck components, and the 4960140 screw is no exception ¹.

Basic Concepts of Hexagon Flange Head Cap Screw

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and a flange beneath the head. The hexagonal head allows for efficient tightening and loosening using a wrench or socket, while the flange provides additional surface area for distribution of the clamping force. This design helps in securing components firmly and plays a role in maintaining the structural integrity of the truck’s mechanical system ².

Role and Function in Truck Operation

The 4960140 Hexagon Flange Head Cap Screw is utilized in various applications within a truck’s mechanical system. It is commonly used to fasten components such as brackets, plates, and other structural elements. By providing a secure and stable connection, this screw contributes to the overall functionality and safety of the truck. Its application areas include but are not limited to, engine components, chassis parts, and body panels ³.

Key Features

The 4960140 Hexagon Flange Head Cap Screw features a hexagonal head that facilitates easy and precise tightening. The flange beneath the head enhances the screw’s ability to distribute clamping force evenly, reducing the risk of component warping or damage. Made from high-strength materials, this screw is designed to withstand significant loads and environmental stresses. Its unique attributes include corrosion resistance and durability, which are vital for long-term performance in demanding truck applications ⁴.

Benefits

Using the 4960140 Hexagon Flange Head Cap Screw offers several benefits. The screw’s design provides improved fastening security, ensuring that components remain firmly in place under various operating conditions. Its resistance to loosening helps maintain the integrity of the fastened components over time. Additionally, the flange enhances load distribution, which can contribute to the longevity and reliability of the truck’s mechanical system ⁵.

Installation Guidelines

Proper installation of the 4960140 Hexagon Flange Head Cap Screw is crucial for optimal performance. Begin by ensuring the mating surfaces are clean and free of debris. Use the appropriate wrench or socket to tighten the screw to the specified torque, which ensures the correct clamping force without over-tightening. It is also important to follow best practices such as lubricating the screw threads to reduce friction and prevent galling ⁶.

Troubleshooting and Maintenance

Common issues with the 4960140 Hexagon Flange Head Cap Screw may include corrosion, stripping, or loosening. Regular inspection for signs of wear or damage is recommended. If corrosion is detected, cleaning the affected area and applying a corrosion-resistant coating can help. In the case of a stripped screw, replacement is typically necessary. Ensuring proper torque during installation can prevent loosening over time ⁷.

Cummins: Manufacturer Overview

Cummins is a reputable manufacturer in the automotive industry, known for its high-quality truck components. With a history of innovation and commitment to excellence, Cummins has established a strong reputation for producing reliable and durable parts. The company’s focus on quality and performance is evident in its wide range of truck components, including the 4960140 Hexagon Flange Head Cap Screw ⁸.

Hexagon Flange Head Cap Screw 4960140 Compatibility with Cummins Engines

The Cummins part number 4960140, a Hexagon Flange Head Cap Screw, is designed to fit a variety of Cummins engines. This screw is integral in securing various components within the engine assembly, ensuring structural integrity and operational efficiency. Below is a detailed description of the compatibility of this screw with specific Cummins engines:

ISX12 Series Engines

• ISX12 CM2350 X102
• ISX12 G CM2180 EJ
• ISX12/ISX11.9 CM2250

The ISX12 series engines, including the ISX12 CM2350 X102, ISX12 G CM2180 EJ, and ISX12/ISX11.9 CM2250, utilize the 4960140 screw in several critical applications. This screw is often used to secure the cylinder head cover, ensuring a tight seal and preventing leaks. Its flange head design provides a larger bearing surface, distributing the load more evenly and enhancing the fastening process.

ISZ13 Series Engines

• ISZ13 CM2150 Z105

The ISZ13 CM2150 Z105 engine also incorporates the 4960140 screw in its assembly. This particular engine model uses the screw to fasten various components, including the intake manifold and other auxiliary parts. The screw’s robust design ensures that these components remain securely in place under the high stress and varying temperatures typical of engine operation.

QSK95 Series Engines

• QSK95 CM2350 K111
• QSK95 CM2350 K113

The QSK95 series engines, specifically the QSK95 CM2350 K111 and QSK95 CM2350 K113, also benefit from the use of the 4960140 screw. These engines use the screw in multiple applications, such as securing the valve cover and other critical engine components. The screw’s hexagonal flange head provides a secure grip, which is essential for maintaining the integrity of these components during operation.

QSX11.9 Series Engines

• QSX11.9 CM2250 ECF

The QSX11.9 CM2250 ECF engine employs the 4960140 screw in several key areas. This includes fastening the turbocharger housing and other related components. The screw’s design ensures that these parts are held firmly in place, which is crucial for the efficient operation of the turbocharger and overall engine performance.

QSZ13 Series Engines

• QSZ13 CM2150 Z101
• QSZ13 CM2150 Z102

The QSZ13 series engines, including the QSZ13 CM2150 Z101 and QSZ13 CM2150 Z102, use the 4960140 screw to secure various components such as the intake manifold and other auxiliary parts. The screw’s flange head provides a larger contact area, which helps in distributing the load more evenly and ensuring a secure fit.

Z13 Series Engines

• Z13 Z108G

The Z13 Z108G engine also utilizes the 4960140 screw in its assembly. This screw is used to fasten components such as the cylinder head cover and other critical parts. The screw’s design ensures that these components remain securely fastened, which is essential for maintaining the engine’s structural integrity and performance ⁹.

Hexagon Flange Head Cap Screw (Part 4960140) Component Usage

The Hexagon Flange Head Cap Screw, identified by part number 4960140, is a versatile fastener utilized across various components in engine systems. Its design allows for secure and efficient assembly, ensuring components remain firmly in place under operational stress.

Block Assembly

In the engine block assembly, the Hexagon Flange Head Cap Screw is employed to fasten critical components such as cylinder liners and main bearing caps. This ensures the structural integrity of the block, allowing it to withstand the high pressures and temperatures generated during engine operation.

Cylinder and Housing Components

For cylinder and housing components, this screw plays a significant role in securing the cylinder head to the engine block. Proper fastening is essential to maintain the seal between the cylinder and head, preventing any leaks that could compromise engine performance.

Flywheel and Lever Mechanisms

In flywheel assemblies, the Hexagon Flange Head Cap Screw is used to attach the flywheel to the crankshaft. This connection is vital for transmitting rotational energy from the engine to the transmission system. Similarly, in lever mechanisms such as the rocker lever and rocker top-level assembly lever, these screws ensure that the levers are securely attached to their respective pivot points, allowing for precise control of valve operation.

Pump and Fuel System Integration

Within pump assemblies, particularly fuel pumps, the Hexagon Flange Head Cap Screw is utilized to secure pump housings and internal components. This ensures that the pump operates efficiently, delivering the correct fuel pressure to the engine. In fuel system components, these screws are also used to attach fuel lines and filters, maintaining the integrity of the fuel delivery system.

Rocker Lever and Top-Level Assembly

For the rocker lever and top-level assembly, the Hexagon Flange Head Cap Screw is critical in attaching the rocker arms to the camshaft and valve stems. This secure attachment ensures that the valves open and close at the precise moments required for optimal engine performance.

Conclusion

Overall, the Hexagon Flange Head Cap Screw (part 4960140) is an essential component in the assembly and maintenance of various engine systems, providing the necessary strength and reliability required for durable and efficient engine operation ¹⁰.