3073136
Hexagon Head Cap Screw
Cummins®

The Cummins Hexagon Head Cap Screw, part number 3073136, is a specialized fastener designed for commercial truck applications. Cummins, a prominent name in the commercial truck industry, manufactures a range of components that enhance the efficiency, reliability, and durability of heavy-duty vehicles. This part plays a significant role in the assembly and maintenance of commercial trucks.

Basic Concepts of Hexagon Head Cap Screws

A Hexagon Head Cap Screw is a fastener with a hexagonal head, allowing for efficient tightening and loosening using a wrench or socket. The design, featuring a threaded shaft and head, enables it to securely join components together. Cap screws are commonly used in mechanical assemblies requiring high strength and reliability, often in applications subjected to significant stress or vibration.

Purpose of the 3073136 Hexagon Head Cap Screw in Truck Operations

The 3073136 Hexagon Head Cap Screw is utilized in various truck assemblies where secure fastening is necessary to ensure vehicle integrity and performance. Typical applications include securing engine components, attaching body panels, and fastening chassis parts. The screw’s design and material properties make it suitable for withstanding the demanding conditions encountered in truck operations.

Key Features

The 3073136 Hexagon Head Cap Screw features several key attributes that enhance its performance and durability. It is composed of high-strength materials, typically alloy steel, providing the necessary tensile strength for heavy-duty applications. The screw features a coarse thread type, allowing for quick and secure fastening. Its hexagonal head is designed for easy engagement with wrenches or sockets, facilitating straightforward installation and removal. Additionally, the screw may be treated with special coatings or finishes to improve corrosion resistance and prolong its service life.

Benefits

Using the 3073136 Hexagon Head Cap Screw offers several advantages. Its enhanced strength ensures it can withstand the high loads and stresses encountered in commercial truck applications. The screw’s corrosion resistance, provided by special coatings, helps protect it from the detrimental effects of moisture and chemicals, extending its lifespan. Ease of installation is another benefit, as the hexagonal head allows for efficient tightening and loosening. Furthermore, the reliability of the screw in heavy-duty applications contributes to the overall performance and safety of the truck.

Installation Guidelines

Proper installation of the 3073136 Hexagon Head Cap Screw is crucial to ensure secure fastening and prevent damage to the screw or the components being joined. The following guidelines should be observed:

1. Use the appropriate wrench or socket to engage the hexagonal head of the screw.
2. Apply the recommended torque specifications to achieve the desired clamping force without over-tightening, which could damage the screw or the components.
3. Ensure that the mating surfaces are clean and free of debris to promote a secure connection.
4. Use thread lubricant if specified by the manufacturer to facilitate installation and prevent galling.

Troubleshooting and Maintenance

Common issues that may arise with Hexagon Head Cap Screws include loosening, corrosion, or damage. To address these problems, the following steps can be taken:

1. For loosening, re-tighten the screw to the specified torque. If loosening persists, inspect the mating surfaces for damage or debris and address any issues found.
2. To combat corrosion, clean the screw and mating surfaces with a suitable solvent and apply a corrosion-inhibiting compound if necessary.
3. If the screw is damaged, it should be replaced to maintain the integrity of the assembly.

Regular maintenance, such as periodic inspection and re-tightening, can help prolong the lifespan of the screw and ensure continued reliable performance.

Cummins: Manufacturer 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 reputation for quality and innovation in the commercial truck industry. The company’s commitment to excellence is reflected in its extensive product range, which includes engines, powertrain components, and aftermarket parts. Cummins’ dedication to quality ensures that its components, like the 3073136 Hexagon Head Cap Screw, meet the high standards required for heavy-duty truck applications.

Hexagon Head Cap Screw 3073136 in Cummins Engines

The 3073136 Hexagon Head Cap Screw, manufactured by Cummins, is a critical component in various Cummins engine models. This screw is designed to provide robust fastening capabilities, ensuring secure connections in high-stress environments typical of engine assemblies.

K19 and QSK19 Series

In the K19 and QSK19 series engines, the 3073136 screw is utilized in several key areas. These engines, known for their durability and performance, often require reliable fastening solutions to maintain structural integrity and operational efficiency. The screw’s design allows it to withstand the rigors of engine operation, providing a stable connection that is crucial for the longevity and performance of the engine.

M11 Series

For the M11 series engines, including the M11 CELECT PLUS and M11 MECHANICAL variants, the 3073136 screw plays a vital role in securing various components. The CELECT PLUS variant, with its advanced electronic controls, and the MECHANICAL variant, known for its simplicity and reliability, both benefit from the screw’s ability to maintain tight and secure connections. This ensures that the engine’s components remain properly aligned and fastened, contributing to the overall efficiency and reliability of the engine.

QSK19 CM Series

In the QSK19 CM series engines, such as the QSK19 CM2350 K114, QSK19 CM500, and QSK19 CM850 MCRS, the 3073136 screw is employed in critical fastening applications. These engines are designed for heavy-duty applications, and the screw’s strength and durability are essential in maintaining the integrity of the engine’s components under demanding conditions. The screw’s hexagon head design allows for easy and efficient tightening, which is crucial in the assembly and maintenance of these complex engines.

QSM11 Series

The QSM11 CM570 engine also utilizes the 3073136 screw in its assembly. This engine, part of the QSM11 series, is designed for marine applications and requires components that can withstand the harsh marine environment. The screw’s robust design ensures that it can maintain its fastening capabilities even in corrosive and high-vibration conditions, contributing to the engine’s reliability and performance in marine settings.

Hexagon Head Cap Screw (Part 3073136) Component Usage

The Hexagon Head Cap Screw, identified by part number 3073136, is a versatile fastener integral to the assembly and maintenance of various engine components. Its robust design and reliable performance make it suitable for securing multiple parts within the engine system.

Damper Guard

In the damper guard assembly, the Hexagon Head Cap Screw is used to firmly attach the guard to the engine frame. This ensures that the guard remains in place, providing essential protection to the damper and other nearby components from debris and environmental factors.

Fan and Spacer Mounting

For the fan and spacer mounting, this screw plays a key role in securing the fan to its designated position. Proper attachment is vital for the fan’s efficient operation, ensuring optimal cooling of the engine by maintaining the correct spacing and alignment with other components.

Fan Drive Mounting

When it comes to the fan drive mounting, the Hexagon Head Cap Screw is employed to fasten the fan drive mechanism. This secure attachment is necessary for the smooth transfer of power from the engine to the fan, contributing to consistent and reliable engine cooling.

Fan Pilot Spacer

In the fan pilot spacer arrangement, the screw is used to hold the spacer in the correct position. This is important for maintaining the precise distance between the fan and other components, which is essential for the fan’s effective operation and the overall cooling efficiency of the engine.

Front Engine Guard

For the front engine guard, the Hexagon Head Cap Screw is utilized to attach the guard to the engine. This attachment is crucial for protecting the front of the engine from impacts and debris, thereby enhancing the engine’s durability and longevity.

Guard Package

Within the guard package, this screw is used to secure various guards and shields. Proper attachment ensures that all protective elements are correctly positioned, providing comprehensive coverage and protection for the engine components.

Radiator

In the radiator assembly, the Hexagon Head Cap Screw is employed to fasten the radiator to its mounting brackets. This secure attachment is essential for maintaining the radiator’s position and ensuring efficient heat dissipation, which is critical for engine performance.

Turbocharger Arrangement

For the turbocharger arrangement, the screw is used to attach the turbocharger to the engine. This secure fastening is necessary for the turbocharger’s stable operation, ensuring it can effectively increase the engine’s power output without risking detachment or misalignment.

Conclusion

The 3073136 Hexagon Head Cap Screw is a critical component in the assembly and maintenance of commercial trucks and Cummins engines. Its robust design, high-strength materials, and reliable performance make it suitable for withstanding the demanding conditions encountered in heavy-duty applications. Proper installation and maintenance of this Cummins part are essential to ensure the integrity and performance of the vehicle.