3057139
Push Rod
Cummins®

Introduction

The Cummins 3057139 Push Rod is a component designed for use in heavy-duty truck engines. It plays a role in the engine’s valve train mechanism by transferring motion from the camshaft to the rocker arms. This Cummins part is engineered to withstand the demanding conditions of heavy-duty applications, ensuring reliable engine performance.

Basic Concepts of Push Rods

Push rods are mechanical links used in overhead valve (OHV) engines to transmit motion from the camshaft to the valves. Positioned between the camshaft and the rocker arms, push rods convert the rotational motion of the camshaft into linear motion, which is then used to open and close the engine valves at precise intervals. This mechanism is important for the proper timing of the engine’s intake and exhaust cycles ¹.

Purpose of the Cummins 3057139 Push Rod

The Cummins 3057139 Push Rod is specifically designed to enhance the operation of truck engines by efficiently transferring motion from the camshaft to the rocker arms. This push rod ensures that the valves open and close at the correct times, which is important for optimal engine performance. Its design allows for precise control over valve timing, contributing to the engine’s overall efficiency and power output.

Key Features

The Cummins 3057139 Push Rod is characterized by its robust construction and precise engineering. Made from high-quality materials, it is designed to endure the high stresses and temperatures encountered in heavy-duty truck engines. Key features include its durable material composition, which enhances its longevity, and its precise design, which ensures accurate valve actuation. Additionally, the push rod may incorporate unique characteristics such as improved surface finishes or specialized coatings to further enhance its performance and durability.

Benefits

Utilizing the Cummins 3057139 Push Rod offers several advantages. It contributes to improved engine efficiency by ensuring precise valve timing and actuation. The push rod’s durable construction enhances the engine’s reliability under heavy-duty conditions, reducing the likelihood of premature failure. Furthermore, its reliable performance helps maintain consistent engine operation, which is important for the demanding applications of heavy-duty trucks.

Installation and Compatibility

Proper installation of the Cummins 3057139 Push Rod is important for ensuring optimal engine performance. Installation procedures should follow manufacturer guidelines to ensure correct fitment and function. This push rod is compatible with specific Cummins engine models, designed to meet the rigorous demands of heavy-duty truck applications. It is important to verify compatibility with the specific engine model to ensure proper function and performance ².

Maintenance and Troubleshooting

Regular maintenance of the Cummins 3057139 Push Rod is important for ensuring its longevity and reliable performance. This includes periodic inspections for signs of wear or damage, and ensuring that all connections are secure and free from contaminants. Common issues with push rods may include wear, bending, or failure due to excessive stress. Troubleshooting steps may involve inspecting the push rod for physical damage, checking for proper clearances, and ensuring that all related components are in good condition.

Performance Enhancements

The Cummins 3057139 Push Rod contributes to overall engine performance by providing precise and reliable valve actuation. Its high-quality construction and design may offer performance enhancements compared to standard push rods, such as improved durability under high-stress conditions and more accurate valve timing. These factors can lead to enhanced engine efficiency and power output, making it a valuable component for heavy-duty truck engines.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and related technologies. With a strong reputation in the industry, Cummins is committed to producing high-quality components that meet the demanding requirements of various applications. The company’s focus on innovation, quality, and customer satisfaction has established it as a trusted name in the automotive and heavy-duty truck sectors.

Compatibility with Cummins Engines

The Cummins Push Rod 3057139 is designed to fit seamlessly within a variety of Cummins engine models. This push rod is engineered to ensure optimal performance and reliability across different engine types. Below is a detailed description of its compatibility with specific Cummins engines:

• GTA38 G CMEICS G116C Series: The Push Rod 3057139 is compatible with the GTA38 G CMEICS G116C engine, known for its robust design and efficiency.
• K19, K38, K50 Series: Suitable for the K19, K38, and K50 engines, emphasizing durability and power.
• KTA19GC and KTA38GC CM558 Series: A perfect fit for the KTA19GC and KTA38GC CM558 engines, designed for high-performance applications.
• QSK19 CM2350 Series: Compatible with the QSK19 CM2350 engines, including models K105, K114, and K144G, known for their reliability and efficiency.
• QSK19 CM850 MCRS: Designed to fit the QSK19 CM850 MCRS engine, engineered for high-performance applications.
• QSK38 CM2150 and QSK38 CM850 MCRS: Compatible with both the QSK38 CM2150 and QSK38 CM850 MCRS engines, built for durability and performance.
• QSK50 CM2150 and QSK50 CM2350 Series: An ideal fit for the QSK50 CM2150 and QSK50 CM2350 engines, including models K107, K108, and MCRS, designed for heavy-duty applications.

By ensuring compatibility with these various engine models, the Cummins Push Rod 3057139 plays a vital role in maintaining the performance and longevity of Cummins engines across different applications.

Role of Part 3057139 in Engine Systems

The Part 3057139 Push Rod is an integral component in the operation of various engine systems. It facilitates the transfer of motion from the camshaft to the rocker arms, which in turn actuate the valves. This motion is essential for the intake and exhaust processes within the engine.

Interaction with Base Parts and Engine Installation Kit

When installed as part of the Engine Installation Kit, the Push Rod works in conjunction with Base Parts to ensure precise alignment and operation. The Base Parts provide the structural foundation upon which the Push Rod operates, ensuring that the motion transferred is accurate and consistent.

Coordination with EMB-Lever and Rocker

The Push Rod interfaces directly with the EMB-Lever and Rocker. As the camshaft rotates, it pushes against the Push Rod, which then extends to lift the Rocker. This action opens the valve, allowing air and fuel into the combustion chamber or expelling exhaust gases.

Integration in Overhaul Kit and On-Board Spares Kit

In an Overhaul Kit, the Push Rod is often replaced to maintain engine efficiency and reliability. The On-Board Spares Kit may include additional Push Rods to ensure that any failures can be quickly addressed without downtime. This proactive approach helps in maintaining the engine’s performance over its operational life.

Role in PDC and Lever Mechanisms

The Push Rod also plays a significant role in systems utilizing a PDC (Positive Displacement Compressor) and various Lever mechanisms. In these setups, the Push Rod ensures that the compressor valves open and close in sync with the engine’s operation, enhancing overall efficiency and performance.

Contribution to Kit On-Board Spares

Including the Push Rod in the Kit On-Board Spares allows for rapid replacement in the field. This is particularly beneficial in environments where engine reliability is paramount, such as in aviation or heavy machinery operations.

Summary of Component Interaction

• Base Part/Base Parts: Provides structural support and alignment.
• EMB-Lever: Receives motion from the Push Rod to initiate valve actuation.
• Rocker: Amplifies the motion from the Push Rod to open and close valves.
• Engine Installation Kit: Ensures proper installation and initial setup.
• Kit On-Board Spares/On Board Spares Kit: Allows for quick replacement and maintenance.
• PDC: Utilizes the Push Rod for synchronized valve operation in compressor systems.
• Lever: Works in tandem with the Push Rod for precise valve control.
• Overhaul Kit: Includes Push Rods for maintenance and upgrade purposes.

Conclusion

The Cummins 3057139 Push Rod is a critical component in the valve train mechanism of heavy-duty truck engines. Its robust construction, precise engineering, and compatibility with various Cummins engine models make it an essential part for maintaining engine performance and reliability. Regular maintenance and proper installation are key to ensuring the longevity and efficient operation of this Cummins part.