2883287
Rocker Lever Support
Cummins®

Introduction

The 2883287 Rocker Lever Support is a component designed by Cummins for use in heavy-duty truck engines. This part is integral to the operation of the engine’s valve train, facilitating the transfer of motion from the camshaft to the valves. Its role ensures the efficient and reliable functioning of the engine, contributing to the overall performance and durability of heavy-duty trucks.

Basic Concepts of Rocker Lever Support

Rocker lever supports are fundamental components within an engine’s valve train. They operate by transferring the rotational motion of the camshaft into the linear motion required to open and close the engine’s valves. This transfer is essential for the intake and exhaust processes, which are vital for engine operation. The rocker lever support acts as a pivot point, allowing the rocker arm to amplify the camshaft’s motion and apply it to the valves with precision ¹.

Purpose and Role of Rocker Lever Support 2883287

The 2883287 specifically serves to enhance the valve actuation system within Cummins engines. It provides a stable mounting point for the rocker arms, ensuring that the motion from the camshaft is accurately and consistently transferred to the valves. This precise transfer is key to maintaining engine efficiency and reliability, as it ensures that the valves open and close at the correct times and with the appropriate force ².

Key Features

The 2883287 is characterized by its robust design and the use of high-quality materials, which contribute to its performance and durability. Its construction is tailored to withstand the high stresses and temperatures encountered in heavy-duty truck engines. Additionally, the support may feature specific design elements that enhance its functionality, such as optimized geometry for reduced friction and wear.

Benefits

Incorporating the 2883287 into an engine’s design offers several advantages. It contributes to improved engine efficiency by ensuring precise valve actuation, which can lead to better fuel economy and reduced emissions. The support’s durable construction also enhances the engine’s reliability and longevity, reducing the need for frequent maintenance or replacement. Furthermore, by facilitating optimal valve operation, it can contribute to overall vehicle performance, including power output and drivability ³.

Installation and Compatibility

Proper installation of the 2883287 is vital for ensuring its effective operation within the engine. Installation procedures may vary depending on the specific engine model and configuration, but generally involve securing the support in place and ensuring that it is properly aligned with the camshaft and rocker arms. Compatibility with various engine models is an important consideration, as it ensures that the support can be used across a range of applications, providing flexibility for fleet operators and maintenance professionals.

Maintenance and Troubleshooting

Routine maintenance of the 2883287 is important for preserving its performance and longevity. This may include regular inspections for signs of wear or damage, ensuring that all fasteners are secure, and applying lubrication as necessary to reduce friction and wear. Common signs of issues with the rocker lever support may include unusual noises, leaks, or performance degradation, which can often be addressed through proper maintenance practices or, if necessary, replacement of the component.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions control technologies. With a strong reputation in the automotive industry, particularly for heavy-duty truck components, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product offerings and technical expertise make it a trusted partner for fleet operators and maintenance professionals worldwide.

Compatibility of 2883287 with Cummins Engines

The 2883287, manufactured by Cummins, is designed to fit seamlessly with a variety of Cummins engine models. This part is integral to the engine’s operation, providing essential support to the rocker levers and ensuring smooth and efficient valve operation. Below is a detailed look at the compatibility of this part with specific Cummins engines:

ISX12 Series

• ISX12 CM2350 X102
• ISX12 G CM2180 EJ
• ISX12/ISX11.9 CM2250

The ISX12 series engines, including the ISX12 CM2350 X102, ISX12 G CM2180 EJ, and ISX12/ISX11.9 CM2250, are all compatible with the 2883287. This part ensures that the rocker levers are properly supported, which is crucial for maintaining the timing and operation of the engine’s valves.

ISZ13 Series

• ISZ13 CM2150 Z105

The ISZ13 CM2150 Z105 engine is also compatible with the 2883287. This compatibility ensures that the rocker levers are adequately supported, contributing to the engine’s overall performance and longevity.

QSX11.9 Series

• QSX11.9 CM2250 ECF

The QSX11.9 CM2250 ECF engine is another model that fits the 2883287. This part is crucial for maintaining the structural integrity of the rocker levers, ensuring that the engine operates smoothly and efficiently.

QSZ13 Series

• QSZ13 CM2150 Z101
• QSZ13 CM2150 Z102

Both the QSZ13 CM2150 Z101 and QSZ13 CM2150 Z102 engines are compatible with the 2883287. This compatibility is essential for ensuring that the rocker levers are properly supported, which is vital for the engine’s performance and reliability.

Z13 Series

• Z13 Z108G

The Z13 Z108G engine is also compatible with the 2883287. This part ensures that the rocker levers are adequately supported, contributing to the engine’s overall performance and longevity.

Role of 2883287 in Engine Systems

The 2883287 is integral to the functionality of several engine components, primarily the rocker lever and the rocker top-level assembly lever. This support component ensures the stability and precise operation of the rocker lever, which is essential for the efficient transfer of motion from the camshaft to the valve.

In the engine system, the rocker lever is mounted on the 2883287. This arrangement allows the rocker lever to pivot smoothly as the camshaft lobes push against it. The stability provided by the 2883287 is vital for maintaining the correct valve timing and lift, which are necessary for optimal engine performance.

Furthermore, the 2883287 interfaces with the rocker top-level assembly lever, ensuring that the entire assembly operates as a cohesive unit. This support component helps in distributing the load evenly across the rocker lever, reducing wear and tear on individual parts and enhancing the durability of the engine system.

The precise alignment and support offered by part 2883287 are also important for minimizing friction and ensuring that the valvetrain components operate with minimal noise and maximum efficiency. This contributes to the overall smoothness and reliability of the engine’s operation.

Conclusion

The 2883287 Rocker Lever Support is a critical component in Cummins heavy-duty truck engines, ensuring the efficient and reliable operation of the valve train. Its robust design, compatibility with various engine models, and the benefits it offers in terms of engine efficiency and durability make it an essential part for maintaining the performance and longevity of heavy-duty trucks.