3518980
Thrust Collar
Cummins®

The Cummins 3518980 Thrust Collar is a component designed for use in heavy-duty truck engines. Its purpose is to manage axial loads and maintain the alignment of engine components, contributing to the overall performance and reliability of the engine ¹.

Basic Concepts of Thrust Collars

A thrust collar is a mechanical component that plays a role in controlling axial movement within an engine. It functions by providing a surface against which other moving parts can press, thereby managing the forces that act along the axis of rotation. This helps in maintaining the alignment and performance of engine components, ensuring smooth operation and reducing wear ².

Purpose of the 3518980 Thrust Collar

The 3518980 Thrust Collar is specifically designed to handle axial loads within a truck engine. It plays a role in the engine’s operation by supporting the crankshaft and other rotating components, ensuring they remain properly aligned. This alignment is vital for the efficient transfer of power and the reduction of unnecessary wear on engine parts ³.

Key Features

The 3518980 Thrust Collar is characterized by its robust design and material composition, which includes high-strength alloys. These materials are chosen for their ability to withstand the high stresses and temperatures encountered in heavy-duty engine environments. The collar’s design also incorporates features that enhance its performance and durability, such as precise machining for a perfect fit and smooth surface finishes to minimize friction.

Benefits

The use of the 3518980 Thrust Collar in an engine setup can lead to several advantages. These include improved engine efficiency due to reduced friction and wear, enhanced reliability of engine components through proper alignment, and overall increased engine lifespan. The collar’s design also contributes to a more stable engine operation under varying loads and conditions.

Installation and Compatibility

Proper installation of the 3518980 Thrust Collar is crucial for its effective function. This process involves ensuring the engine is clean and free of debris, using the correct tools for installation, and following manufacturer guidelines to avoid damage to the collar or engine components. Compatibility with specific engine models and configurations should be verified to ensure optimal performance and integration.

Maintenance and Troubleshooting

Regular maintenance of the 3518980 Thrust Collar is important for its longevity and performance. This includes periodic inspections for signs of wear or damage, cleaning to remove any contaminants, and ensuring it remains properly aligned. Common issues may include misalignment or excessive wear, which can often be addressed through re-alignment or replacement of the collar.

Performance Impact

The 3518980 Thrust Collar contributes to the overall performance and efficiency of the engine by ensuring components remain aligned and operate smoothly. This can result in measurable improvements in engine operation, such as reduced vibration, lower oil consumption, and enhanced power delivery.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including diesel and natural gas engines, as well as related technologies. With a history spanning over a century, Cummins has established a reputation for innovation, quality, and reliability in the manufacturing of diesel engines and components, serving various industries worldwide ⁴.

Role of Part 3518980 Thrust Collar in Engine Systems

The 3518980 Thrust Collar is an essential component in the assembly and operation of various engine systems. It is specifically designed to interface with multiple core assemblies and rotor assemblies, ensuring smooth and efficient operation.

Integration with Core Assemblies

In the Core and Housing Kit, the Thrust Collar works in conjunction with the core assembly to maintain axial positioning of the rotor within the housing. This is vital for the balanced operation of the turbocharger.

For the Core Assembly H1C, Core Assembly H1D, Core Assembly H1E, and Core Assembly WH1C, the Thrust Collar helps in managing the thrust loads generated during operation. It ensures that the rotor remains securely in place, preventing undue wear and potential damage to the core components.

Functionality in Rotor Assemblies

In the H1C Rotor Assembly and H1E Rotor Assembly, the Thrust Collar plays a significant role in stabilizing the rotor. It counters the axial forces that arise from the high-speed rotation, thus contributing to the longevity and reliability of the rotor assembly.

For the H2A Rotor Assembly and Super Core Assembly - H2A, the Thrust Collar is equally important. It ensures that the rotor operates within specified tolerances, enhancing the overall performance and efficiency of the turbocharger system.

Application in Turbocharger Systems

In aftermarket turbochargers and turbocharger repair kits such as the Turbocharger Repair H1C/H2A Kit, the Thrust Collar is a key component. It aids in the precise alignment and secure fitting of the rotor within the turbocharger housing, which is essential for optimal performance.

Performance Parts and Turbocharger Kits

When incorporated into Performance Parts and Turbocharger Kits, the Thrust Collar enhances the turbocharger’s ability to handle increased thrust loads. This is particularly important in high-performance applications where the turbocharger operates at elevated speeds and pressures.

Turbocharger Housing Repair Kit

In the Turbocharger Housing Repair Kit, the Thrust Collar ensures that the repaired housing maintains the correct axial alignment of the rotor. This is crucial for restoring the turbocharger to its original performance specifications.

Conclusion

Overall, the 3518980 Thrust Collar is a fundamental component in various engine systems, providing the necessary support and stability for efficient turbocharger operation. Its role in managing axial loads, maintaining component alignment, and contributing to engine performance and reliability makes it an integral part of Cummins engine designs.