3073499
Push Rod
Cummins®

Introduction

The Cummins 3073499 Push Rod is a critical component in heavy-duty truck engines, integral to the valve train mechanism. It facilitates the synchronized operation of the valves with the camshaft, ensuring efficient engine performance and enhancing the reliability of the truck’s powertrain ¹.

Basic Concepts of Push Rods

A push rod is a cylindrical component in overhead valve (OHV) engines, transmitting 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 opens and closes the engine valves at precise intervals. This mechanism is essential for the engine’s intake of air and fuel and expulsion of exhaust gases, directly influencing engine performance and efficiency ².

Role of the 3073499 Push Rod in Truck Operation

This Cummins part connects the camshaft to the rocker arms. As the camshaft rotates, it actuates the push rod, which moves the rocker arm. This motion opens the valve, allowing air and fuel into the combustion chamber or expelling exhaust gases. The precise interaction between these components is vital for maintaining engine timing and efficiency ³.

Key Features of the 3073499 Push Rod

The 3073499 Push Rod is characterized by its robust construction and precise engineering. Made from high-quality materials, it is designed to withstand the high stresses and temperatures within the engine environment. Its design includes features that enhance durability and performance, such as a smooth surface finish to reduce friction and precise dimensions to ensure accurate valve operation ⁴.

Benefits of Using the 3073499 Push Rod

Utilizing this Cummins part offers several advantages. Its high-quality construction contributes to improved engine efficiency by ensuring smooth and reliable valve operation. The durability of the push rod enhances the engine’s longevity, reducing the frequency of maintenance and replacement. Additionally, its reliable performance supports the overall reliability of the truck, making it a valuable component for heavy-duty applications.

Troubleshooting Common Issues with Push Rods

Common issues with push rods can include wear, bending, or breakage, which may lead to engine performance problems. Symptoms of push rod issues can include engine misfires, reduced power, or unusual noises from the engine. Identifying the root cause of these symptoms, whether it be improper installation, manufacturing defects, or excessive wear, is key to addressing the problem. Solutions may range from simple adjustments to replacement of the affected push rod.

Maintenance Tips for Push Rods

To ensure optimal performance and longevity of push rods, regular maintenance is recommended. This includes periodic inspection for signs of wear or damage, ensuring proper lubrication, and following manufacturer-recommended maintenance intervals. Keeping the engine clean and well-maintained can also contribute to the longevity of push rod components.

Cummins: A Brief 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 is renowned for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product range serves a variety of industries, including automotive, construction, and power generation, underscoring its reputation as a trusted provider of reliable and efficient power solutions.

Compatibility of Push Rod 3073499 with Cummins Engines

The Cummins Push Rod 3073499 is engineered to fit seamlessly within a range of Cummins engines, ensuring optimal performance and reliability. This push rod is designed to meet the specific needs of the following engines:

G855 and N14 CELECT PLUS

The G855 and N14 CELECT PLUS engines are part of Cummins’ lineup of high-performance diesel engines. The Push Rod 3073499 is meticulously designed to integrate with these engines, providing the necessary support and functionality for the valve train system. This ensures smooth operation and longevity of the engine.

QSN14 CM876 N103 and QSNT14 CM876 N102

The QSN14 CM876 N103 and QSNT14 CM876 N102 engines are also compatible with the Push Rod 3073499. These engines, known for their robust design and efficiency, benefit from the precision engineering of this push rod. The compatibility ensures that the push rod can withstand the operational stresses and maintain the integrity of the valve train system.

By ensuring the Push Rod 3073499 fits these engines, Cummins maintains a high standard of quality and performance across its engine range. This compatibility highlights the versatility and reliability of the push rod, making it a dependable choice for maintaining and repairing these engines.

Role of Part 3073499 Push Rod in Engine Systems

In the orchestration of an engine’s valve train, this part serves as a vital intermediary. This component facilitates the transfer of motion from the camshaft to the valve mechanism, ensuring precise and timely valve operation.

When the camshaft rotates, it actuates the lifter, which in turn moves the push rod. The push rod then transmits this motion to the rocker arm. The rocker arm, leveraging the push rod’s movement, amplifies the force and motion, actuating the valve. This sequence ensures that the valves open and close at the correct intervals, allowing for the intake of air-fuel mixture and the expulsion of exhaust gases.

The efficiency and reliability of this system depend on the seamless interaction between the push rod, lever (lifter), and rocker arm. Each component must be in optimal condition to maintain the engine’s performance and longevity. The push rod’s role in this system is to ensure that the motion initiated by the camshaft is accurately and efficiently transmitted to the rocker arm, thereby contributing to the engine’s overall operational harmony.

Conclusion

The Cummins 3073499 Push Rod is a vital component in the valve train mechanism of heavy-duty truck engines. Its robust construction, precise engineering, and compatibility with a range of Cummins engines make it an essential part for maintaining engine efficiency and reliability. Regular maintenance and proper troubleshooting of common issues can ensure the longevity and optimal performance of this critical component.