5267691
Cam Follower Roller Pin
Cummins®

The Cummins 5267691 Cam Follower Roller Pin is a component designed to facilitate the efficient operation of heavy-duty truck engines. Its purpose is to ensure smooth and precise movement within the engine’s valve train system. This part contributes to the overall performance and reliability of the engine by maintaining the integrity of the valve actuation process ¹.

Basic Concepts of Cam Follower Roller Pins

A Cam Follower Roller Pin is a mechanical component that converts the rotary motion of the camshaft into linear motion to operate the engine’s valves. It typically consists of a roller that rides on the camshaft and a pin that connects to the valve mechanism. This design allows for reduced friction and wear compared to flat tappet systems, leading to more efficient engine operation ².

Role of the 5267691 Cam Follower Roller Pin in Truck Operation

The 5267691 Cam Follower Roller Pin plays a specific role in the operation of a truck engine by ensuring that the valves open and close at the correct times and with the appropriate force. It interacts with the camshaft, pushrods, and rocker arms to transmit motion efficiently. This precise interaction is vital for the engine’s performance, fuel efficiency, and longevity ³.

Key Features of the 5267691 Cam Follower Roller Pin

The design and construction of the 5267691 Cam Follower Roller Pin include high-quality materials that ensure durability and reliability. The pin is typically made from hardened steel, while the roller may be constructed from bearing-grade materials to withstand high loads and reduce friction. Its dimensions are engineered to fit specific engine configurations, ensuring optimal performance and compatibility.

Benefits of Using the 5267691 Cam Follower Roller Pin

The advantages of using the 5267691 Cam Follower Roller Pin include improved engine performance due to reduced friction and wear. Its design contributes to enhanced durability and reliability, which are critical for the demanding conditions under which heavy-duty trucks often operate. Additionally, the pin’s precise engineering helps maintain consistent valve operation, which is essential for engine efficiency.

Installation and Maintenance

Proper installation of the 5267691 Cam Follower Roller Pin involves ensuring that it is correctly aligned and secured within the engine’s valve train system. This may require specific tools and procedures to avoid damage to the component or surrounding parts. Regular maintenance, including inspection for wear and proper lubrication, is recommended to ensure the longevity and optimal performance of the pin.

Troubleshooting Common Issues

Common problems associated with Cam Follower Roller Pins can include wear on the roller or pin, misalignment, or damage from debris. Troubleshooting steps may involve inspecting the pin for signs of wear, checking the alignment of the valve train components, and ensuring that the engine is free from contaminants that could cause damage.

Cummins: A Brief Overview

Cummins Inc. is a well-established manufacturer in the automotive industry, known for its wide range of products, including engines and components for heavy-duty trucks. The company has a reputation for producing high-quality, reliable parts that are designed to meet the rigorous demands of commercial vehicle applications. Cummins’ commitment to innovation and customer satisfaction has solidified its position as a leader in the industry.

Cummins Cam Follower Roller Pin 5267691 Compatibility

The Cummins Cam Follower Roller Pin 5267691 is a critical component designed to fit various Cummins engines. This part is engineered to ensure smooth and reliable operation of the camshaft mechanism, which is essential for the engine’s performance and longevity.

F2.8 CM2620 F135B, ISF2.8 CM2220 Series

The Cummins Cam Follower Roller Pin 5267691 is compatible with the following engines:

• F2.8 CM2620 F135B
• ISF2.8 CM2220 F117
• ISF2.8 CM2220 F129

These engines, part of the F2.8 and ISF2.8 series, benefit from the precision and durability of the Cam Follower Roller Pin 5267691. This part ensures that the camshaft maintains proper contact with the valve train, reducing wear and enhancing engine efficiency.

QSF2.8 CM2880 Series

The Cummins Cam Follower Roller Pin 5267691 is also suitable for the following engines:

• QSF2.8 CM2880 F104
• QSF2.8 CM2880 F105
• QSF2.8 CM2880 F108
• QSF2.8 CM2880 F114

These engines, part of the QSF2.8 CM2880 series, are designed for heavy-duty applications and require robust components to handle the demanding conditions. The Cam Follower Roller Pin 5267691 provides the necessary support and stability, ensuring the camshaft operates smoothly and reliably.

QSX Series

The Cummins Cam Follower Roller Pin 5267691 fits the following QSX engines:

• QSX11.9 CM2250 ECF
• QSX15 CM2250
• QSX15 CM2250 ECF

These engines, part of the QSX series, are known for their high performance and efficiency. The Cam Follower Roller Pin 5267691 is essential for maintaining the precise timing and operation of the camshaft, contributing to the overall reliability and longevity of these engines.

R2.8 CM2220 R101B

The Cummins Cam Follower Roller Pin 5267691 is also compatible with the R2.8 CM2220 R101B engine. This engine, part of the R2.8 series, relies on the precision and durability of the Cam Follower Roller Pin 5267691 to ensure optimal performance and longevity.

Role of Part 5267691 Cam Follower Roller Pin in Engine Systems

The part 5267691 Cam Follower Roller Pin is integral to the efficient operation of various engine components. It facilitates smooth interaction between the camshaft and the rocker lever, ensuring precise and reliable valve operation.

In the context of an aftertreatment device, the Cam Follower Roller Pin contributes to the accurate movement of the rocker lever, which is essential for the proper functioning of the aftertreatment system. This system relies on consistent valve timing to maintain optimal performance and emissions control.

The Cam Follower Roller Pin also plays a significant role in the outlet module, where it ensures that the rocker lever moves with minimal friction. This reduces wear and tear on the components and enhances the overall durability of the engine system.

Additionally, the pin’s role in the device is to provide a stable and smooth transfer of motion from the camshaft to the rocker lever. This ensures that the valve opens and closes at the correct times, which is vital for the engine’s performance and efficiency.

Conclusion

In summary, the part 5267691 Cam Follower Roller Pin is a key component in maintaining the precise and smooth operation of various engine systems, including the aftertreatment device, outlet module, and rocker lever mechanisms. Its role in ensuring consistent valve timing and reducing friction contributes significantly to the overall performance, reliability, and longevity of heavy-duty truck engines.