4085917
Cylinder Liner
Cummins®

Introduction

The Cummins 4085917 Cylinder Liner is a component designed to enhance the operation of commercial truck engines. It plays a role in maintaining engine efficiency and durability, contributing to the overall performance of the vehicle.

Basic Concepts of Cylinder Liners

A cylinder liner, also known as a cylinder sleeve, is a replaceable component that forms the inner surface of an engine’s cylinder. It facilitates the movement of the piston and contributes to the combustion process by providing a smooth surface for the piston rings to seal against. The liner interacts closely with other engine components, including the piston, piston rings, and cylinder head, to ensure efficient operation and longevity of the engine ¹.

Purpose of the 4085917 Cylinder Liner

The 4085917 Cylinder Liner is specifically engineered to enhance the operation of truck engines. It contributes to engine performance by providing a durable and smooth surface for the piston to move against, which helps in reducing friction and wear. This component also aids in maintaining consistent engine temperatures and plays a role in the overall durability and efficiency of the engine ².

Key Features

The 4085917 Cylinder Liner is characterized by its high-quality material composition, which typically includes a durable alloy designed to withstand the high pressures and temperatures within an engine. Its design features precise tolerances to ensure a proper fit within the engine block and optimal interaction with the piston and piston rings. Additionally, the liner may have unique attributes such as enhanced coating technologies that further reduce friction and improve wear resistance ³.

Benefits

Utilizing the 4085917 Cylinder Liner in a truck engine can lead to improved engine efficiency, increased longevity, and enhanced reliability. The durable material and precise design contribute to reduced maintenance needs and longer engine life, making it a valuable component for commercial truck operations ⁴.

Installation Process

Proper installation of the 4085917 Cylinder Liner involves several steps to ensure it fits correctly within the engine block and functions as intended. This process includes cleaning the engine block, inspecting the liner for any defects, and using the appropriate tools to insert the liner into place. Careful attention to detail during installation helps prevent issues such as misalignment or improper seating, which could affect engine performance ⁵.

Maintenance Tips

To ensure the optimal performance and longevity of the 4085917 Cylinder Liner, regular maintenance is recommended. This includes periodic inspections for signs of wear or damage, cleaning the liner to remove any buildup that could affect performance, and following manufacturer guidelines for any necessary replacements or repairs. Adhering to these maintenance practices helps maintain engine efficiency and reliability ⁶.

Troubleshooting Common Issues

Common problems associated with cylinder liners can include wear, scoring, or cracking. These issues may arise from improper installation, excessive engine stress, or lack of maintenance. Troubleshooting steps may involve inspecting the liner for visible damage, assessing engine performance for signs of decreased efficiency, and consulting repair manuals or manufacturer guidelines for recommended solutions ⁷.

Cummins Overview

Cummins Inc. is a well-established company in the commercial truck industry, known for its commitment to quality and innovation. With a history of developing reliable and efficient engine components, Cummins has built a reputation for excellence in the field of commercial transportation. The company’s dedication to advancing engine technology ensures that its products, like the 4085917 Cylinder Liner, meet the high standards required for commercial truck applications.

Compatibility with Cummins Engines

The Cummins Cylinder Liner part number 4085917 is designed to fit several models within the Cummins engine lineup. This part is integral to the engine’s operation, providing a smooth surface for the piston rings to glide against, ensuring optimal performance and longevity.

QSK45 CM500 and QSK60 CM500

The Cylinder Liner 4085917 is compatible with both the QSK45 CM500 and QSK60 CM500 engines. These engines are part of Cummins’ QSK series, which is known for its robust design and high power output. The compatibility of this liner with these models ensures that the engine maintains its structural integrity and operational efficiency.

QSK60 CM850 MCRS and QSK60 G CM2358 K110

The part number 4085917 also fits the QSK60 CM850 MCRS and QSK60 G CM2358 K110 engines. These engines are part of the Cummins QSK60 series, which is designed for heavy-duty applications. The liner’s compatibility with these models is crucial for maintaining the engine’s performance and durability, especially in demanding environments.

QSK60G

Lastly, the Cylinder Liner 4085917 is also suitable for the QSK60G engine. This model is part of the QSK60 series and is engineered for high-performance applications. The use of this specific liner ensures that the engine’s components work in harmony, providing reliable power and efficiency.

Understanding the Integration of Part 4085917 Cylinder Liner in Engine Systems

The part 4085917 Cylinder Liner is a component that interfaces with several key elements within an engine system, ensuring optimal performance and durability.

Interaction with the Cylinder Block

The Cylinder Block serves as the foundational structure of the engine, housing the Cylinder Liners. The 4085917 Cylinder Liner fits precisely into the cylinder block, creating a smooth surface for the piston to move against. This fit is designed to minimize friction and wear, contributing to the engine’s efficiency and longevity.

Relationship with the Crankshaft and Bearings

As the piston moves within the cylinder, driven by the combustion process, it transfers force to the Crankshaft via the connecting rod. The crankshaft, in turn, converts this linear motion into rotational motion. The bearings support the crankshaft, allowing it to rotate smoothly. The 4085917 Cylinder Liner ensures that the piston’s movement is consistent and smooth, which is vital for the efficient transfer of force to the crankshaft and, subsequently, to the bearings.

Contribution to the Cylinder Liner Kit

The Cylinder Liner Kit often includes multiple liners like the 4085917, along with gaskets and seals. Each liner within the kit is designed to work in unison, providing a balanced and uniform environment for the pistons. The 4085917 Cylinder Liner, when installed as part of this kit, contributes to the overall symmetry and performance of the engine, ensuring that each cylinder operates within specified tolerances.

Role in the Gear Housing

The Gear Housing encloses the gears that drive various engine components, including the camshaft and oil pump. While the 4085917 Cylinder Liner does not directly interface with the gear housing, its role in maintaining engine performance indirectly supports the smooth operation of these gears. A well-functioning cylinder liner ensures consistent engine operation, which is essential for the reliable performance of the gear-driven components.

Conclusion

The 4085917 Cylinder Liner is a pivotal component that interacts with the cylinder block, crankshaft and bearings, and is a vital part of the cylinder liner kit. Its proper installation and maintenance are key to the efficient and reliable operation of the engine system.