3534451
Thrust Collar
Cummins®

Introduction

The Cummins 3534451 Thrust Collar is a critical component designed for use in heavy-duty truck engines. Its primary function is to manage axial loads and maintain crankshaft alignment, contributing to the overall performance and longevity of the engine.

Basic Concepts of Thrust Collars

A thrust collar is a mechanical component used in engines to control axial movement and maintain alignment of rotating parts, such as the crankshaft. It provides a surface against which axial forces can be directed, preventing undue wear on other engine components. This is essential for maintaining engine performance and longevity, as it ensures the crankshaft operates within specified tolerances, reducing the risk of premature wear and failure ¹.

Purpose of the Cummins 3534451 Thrust Collar

The Cummins 3534451 Thrust Collar plays a specific role in the operation of a truck engine by managing axial loads and maintaining crankshaft alignment. When the engine operates, various forces act on the crankshaft, including axial forces that can cause it to move along its axis. The thrust collar provides a bearing surface that absorbs these forces, preventing excessive movement and wear. This function is vital for the smooth and efficient operation of the engine, as it helps maintain the precise alignment of the crankshaft, which is necessary for optimal performance ².

Key Features

The Cummins 3534451 Thrust Collar is engineered with several key features that enhance its performance and durability. It is constructed from high-quality materials that offer excellent resistance to wear and corrosion. The design specifications of the thrust collar ensure it can withstand the high loads and temperatures encountered in heavy-duty truck engines. Additionally, it may include unique attributes such as precision machining and surface treatments that further improve its performance and longevity ³.

Benefits

Using the Cummins 3534451 Thrust Collar offers several benefits. It contributes to improved engine efficiency by ensuring that the crankshaft operates within specified tolerances, reducing energy losses due to misalignment or excessive wear. Additionally, it helps reduce wear on other engine components by managing axial loads effectively. The enhanced reliability provided by the thrust collar can lead to longer engine life and reduced maintenance costs, making it a valuable component for heavy-duty truck applications ⁴.

Installation and Compatibility

Proper installation of the Cummins 3534451 Thrust Collar is crucial for ensuring its effective performance. Installation procedures may include preparing the engine block and crankshaft to ensure a proper fit and alignment. It is important to follow manufacturer guidelines to avoid installation errors that could lead to engine damage. Compatibility with specific engine models should be verified to ensure optimal performance and longevity ⁵.

Troubleshooting and Maintenance

Common issues with thrust collars may include wear, misalignment, or damage due to excessive loads. Diagnostic procedures for identifying problems may involve visual inspection, measurement of crankshaft alignment, and assessment of engine performance. Maintenance tips to ensure optimal performance and longevity of the Cummins 3534451 Thrust Collar include regular inspection for signs of wear or damage, proper lubrication, and adherence to recommended service intervals. Addressing issues promptly can help prevent more severe engine problems and extend the life of the thrust collar ⁶.

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 established a strong reputation in the automotive industry, particularly in the realm of heavy-duty truck components. The company’s product range includes a variety of engine and component solutions designed to meet the demanding requirements of heavy-duty applications, ensuring reliability, performance, and efficiency ⁷.

Cummins Thrust Collar 3534451 Compatibility

The Cummins Thrust Collar part number 3534451 is designed to fit a variety of Cummins engines, ensuring a secure and stable connection between the crankshaft and the engine block. This part is integral in maintaining the alignment and reducing friction within the engine’s internal components.

Compatible Engines

• 4B3.9
• 6B5.9
• B4.5
• B5.9 G
• B5.9 GAS PLUS CM556
• B6.7 G CMOH
• ISB CM550
• ISB CM850
• ISB/ISD4.5 CM2150 B119
• ISB5.9G CM2180
• ISBE CM800
• ISBE4 CM850
• ISL G CM2180
• ISX12 G CM2180 EJ
• QSB3.9 30 CM550
• QSB6.7 CM850 (CM2850)
• QSB7 CM2880 B117
• QSL9 G CM558

Grouping of Compatible Engines

• ISB Series: ISB CM550, ISB CM850, ISB/ISD4.5 CM2150 B119, ISB5.9G CM2180, ISL G CM2180, ISX12 G CM2180 EJ
• ISBE Series: ISBE CM800, ISBE4 CM850
• QSB Series: QSB3.9 30 CM550, QSB6.7 CM850 (CM2850), QSB7 CM2880 B117
• Others: 4B3.9, 6B5.9, B4.5, B5.9 G, B5.9 GAS PLUS CM556, B6.7 G CMOH, QSL9 G CM558

This thrust collar is engineered to provide a reliable fit across these engines, ensuring optimal performance and longevity. It is crucial to verify the specific application of the thrust collar with the engine manufacturer’s guidelines to ensure compatibility and proper installation ⁸.

Role of Part 3534451 Thrust Collar in Engine Systems

The part 3534451 Thrust Collar is an essential component in the efficient operation of various engine systems, particularly those involving turbochargers and heat exchangers. This component is integral in managing axial loads within the turbocharger, ensuring smooth and reliable performance.

In an Aftermarket Turbocharger, the Thrust Collar works alongside the Rotor Assembly to maintain the correct positioning of the turbine and compressor wheels. It helps in reducing friction and wear by providing a stable surface for the thrust bearing.

Within the Assembly Core and various Core Assembly configurations such as Heat Exchanger30, Heat Exchanger35, and HY30/HY35 series, the Thrust Collar plays a significant role. It ensures that the core components remain aligned, which is vital for the efficient transfer of heat and the overall performance of the heat exchanger.

In the Assembly Heat Exchanger40 Core and Core Assembly Heat Exchanger35G, the Thrust Collar assists in managing the axial forces that occur due to high-speed rotation of the turbocharger components. This is particularly important in maintaining the integrity of the Heat Exchanger30 Wastegate Turbocharger system, where precise control of exhaust gases is necessary.

For the Turbocharger HY35W and similar configurations, the Thrust Collar is part of the Kit that ensures the turbocharger operates within its designed parameters. It contributes to the durability and efficiency of the Turbocharger Rotor by providing a consistent and reliable thrust surface.

Overall, the integration of the Thrust Collar in these engine systems enhances their operational stability and longevity, making it a valuable component in the maintenance and upgrade of turbocharger and heat exchanger assemblies ⁹.

Conclusion

The Cummins 3534451 Thrust Collar is a vital component in heavy-duty truck engines, ensuring the management of axial loads and maintaining crankshaft alignment. Its high-quality construction, precise engineering, and compatibility with a wide range of Cummins engines make it an essential part for optimal engine performance and longevity. Proper installation, regular maintenance, and prompt troubleshooting are key to maximizing the benefits of this Cummins part.